Ph. D. Thesis

  • MeV-scale reheating temperature and thermalization of active and sterile neutrinos in the early Universe
    Takuya Hasegawa (March 2020)
  • Superhorizon evolution of curvature perturbation in multi-field inflation models
    Taro Mori (March 2019)
  • Constraints on the neutrino parameters by future cosmological 21cm line and precise CMB polarization observations
    Yoshihiko Oyama (March 2015)
  • Evolution of a black ring by Hawking evaporation
    Mitsuhiro Matsumoto (March 2014)
  • Cosmological tests of models for the accelerating universe in terms of inhomogeneities
    Keiki Saito (March 2013)

Published papers and preprints

  • KEK-Cosmo-263
  • Possible Solar-Mass Primordial Black Holes for NANOGrav Hint of Gravitational Waves
    Kazunori Kohri, Takahiro Terada
    arXiv:2009.11853 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2260
    Registration Date: 2020.09.25

  • KEK-Cosmo-262
  • Stable circular orbits in higher-dimensional multi-black hole spacetimes
    Takahisa Igata, Shinya Tomizawa
    arXiv:2008.00179 [hep-th]

    Other preprint numbers: KEK-TH-2248, TTI-MATHPHYS-1
    Registration Date: 2020.07.31

  • KEK-Cosmo-261
  • Abundance of Primordial Black Holes in Peak Theory for an Arbitrary Power Spectrum
    Chul-Moon Yoo, Tomohiro Harada, Shin'ichi Hirano, Kazunori Kohri
    arXiv:2008.02425 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2245
    Registration Date: 2020.07.30

  • KEK-Cosmo-260
  • Early recombination as a solution to the H0 tension
    Toyokazu Sekiguchi, Tomo Takahashi
    arXiv:2007.03381 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2238
    Registration Date 2020.07.08

  • KEK-Cosmo-259
  • Probing axion dark matter with 21cm fluctuations from minihalos
    Kenji Kadota, Toyokazu Sekiguchi, Hiroyuki Tashiro
    arXiv:2007.02276 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2237
    Registration Date: 2020.07.07

  • KEK-Cosmo-258
  • Constraints on electron-scattering interpretation of XENON1T excess
    So Chigusa, Motoi Endo, Kazunori Kohri
    arXiv: 2007.01663 [hep-ph]

    Other preprint numbers: KEK-TH-2236
    Registration Date: 2020.07.03

  • KEK-Cosmo-257
  • The First Three Seconds: a Review of Possible Expansion Histories of the Early Universe
    Rouzbeh Allahverdi, K. Kohri et al
    arXiv:2006.16182 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2231, IPMU20-0070
    Registration Date: 2020.06.15

  • KEK-Cosmo-256
  • Swampland Constraints on No-Boundary Quantum Cosmology
    Hiroki Matsui, Takahiro Terada
    arXiv:2006.03443 [gr-qc]

    Other preprint numbers: KEK-TH-2221, CTPU-PTC-20-15
    Registration Date: 2020.06.15

  • KEK-Cosmo-255
  • Chaotic particle motion around a homogeneous circular ring
    Takahisa Igata
    arXiv:2005.01418 [gr-qc]

    Other preprint numbers: KEK-TH-2227
    Registration Date: 2020.06.12

  • KEK-Cosmo-254
  • Photodissociation of light elements with MeV-scale massive decaying particles
    M. Kawasaki, K. Kohri, T. Moroi, K. Murai and H. Murayama
    arXiv:2006.14803 [hep-ph]

    Other preprint numbers: KEK-TH-2214
    Registration Date: 2020.05.11

  • KEK-Cosmo-253
  • Particle dynamics in the Newtonian potential sourced by a homogeneous ring
    Takahisa Igata
    arXiv:2005.01418 [gr-gc]

    Other preprint numbers: KEK-TH-2213
    Registration Date: 2020.05.05

  • KEK-Cosmo-252
  • Cosmic-Ray Signatures of Dark Matter from a Flavor Dependent Gauge Symmetry Model with Neutrino Mass Mechanism
    Holger Motz, Hiroshi Okada, Yoichi Asaoka, Kazunori Kohri
    arXiv:2004.04304 [hep-ph]

    Other preprint numbers: KEK-TH-2207
    Registration Date: 2020.04.10

  • KEK-Cosmo-251
  • MeV-scale reheating temperature and cosmological production of light sterile neutrinos
    Takuya Hasegawa, Nagisa Hiroshima, Kazunori Kohri, Rasmus S. L. Hansen, Thomas Tram, Steen Hannestad
    arXiv:2003.13302 [hep-ph]

    Other preprint numbers: KEK-TH-2204
    Registration Date: 2020.04.03

  • KEK-Cosmo-250
  • Inflaton as the Affleck-Dine Baryogenesis Field in Hilltop Supernatural Inflation
    Chia-Min Lin and Kazunori Kohri
    arXiv:2003.13963 [hep-ph]

    Other preprint numbers: KEK-TH-2203
    Registration Date: 2020.04.03

  • KEK-Cosmo-249
  • Constraints on Primordial Black Holes
    Bernard Carr, Kazunori Kohri, Yuuiti Sendouda, Jun'ichi Yokoyama
    arXiv:2002.12778 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2199
    Registration Date: 2020.03.02

  • KEK-Cosmo-248
  • CMB bounds on primordial black holes including dark matter halo accretion
    Pasquale D. Serpico, Vivian Poulin, Derek Inman, Kazunori Kohri
    arXiv:2002.10771 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2198
    Registration Date: 2020.03.02

  • KEK-Cosmo-247
  • New Horizons in Cosmology with Spectral Distortions of the Cosmic Microwave Background
    J. Chluba et al
    arXiv:1909.01593 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2197
    Registration Date: 2020.03.02

  • KEK-Cosmo-246
  • The statistics of peaks of weakly non-Gaussian random fields: Effects of bispectrum in two- and three-dimensions
    Takahiko Matsubara
    arXiv:2001.05702 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2186
    Registration Date: 2019.10.23

  • KEK-Cosmo-245
  • de Sitter Duality and Logarithmic Decay of Dark Energy
    Hiroyuki Kitamoto, Yoshihisa Kitazawa, Takahiko Matsubara
    arXiv:1908.02534 [hep-th]

    Other preprint numbers: KEK-TH-2142
    Registration Date: 2029.01.17

  • KEK-Cosmo-244
  • The large-separation expansion of peak clustering in Gaussian random fields
    Takahiko Matsubara and Sandrine Codis
    arXiv:1910.09561 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2162
    Registration Date: 2019.10.23

  • KEK-Cosmo-243
  • Clustering of primordial black holes formed in a matter-dominated epoch
    Takahiko Matsubara, Takahiro Terada, Kazunori Kohri, Shuichiro Yokoyama
    arXiv:1909.04053 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2155
    Registration Date: 2019.09.11

  • KEK-Cosmo-242
  • MeV-scale reheating temperature and thermalization of oscillating active neutrinos for radiative and hadronic decays of massive particles
    T. Hasegawa, N. Hiroshima, K. Kohri, R. Hansen, T. Tram, and S. Hannestad
    arXiv:1908.10189 [hep-ph]

    Other preprint numbers: KEK-TH-2149
    Registration Date: 2019.08.30

  • KEK-Cosmo-241
  • Testing Seesaw and Leptogenesis with Gravitational Waves
    J. Dror, T. Hiramatsu, K. Kohri, H. Murayama, and G. White

    Other preprint numbers: KEK-TH-2147
    Registration Date: 2019.08.14

  • KEK-Cosmo-240
  • Velocity bias and the nonlinear perturbation theory of peaks
    Takahiro Matsubara
    arXiv:1907.13251 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2146
    Registration Date: 2019.08.01

  • KEK-Cosmo-239
  • Dependence of accessible dark matter annihilation cross-sections on the density profiles of dwarf spheroidal galaxies with the Cherenkov Telescope Array
    Nagisa Hiroshima, Masaaki Hayashida, Kazunori Kohri
    arXiv:1905.12940 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2135
    Registration Date: 2019.05.31

  • KEK-Cosmo-238
  • Ultracompact minihalos associated with stellar-mass primordial black holes
    Tomohiro Nakama, Kazunori Kohri, Joseph Silk
    arXiv:1905.04477 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2133
    Registration Date: 2019.05.20

  • KEK-Cosmo-237
  • Enhancement of Gravitational Waves Induced by Scalar Perturbations due to a Sudden Transition from an Early Matter Era to the Radiation Era
    Keisuke Inomata, Kazunori Kohri, Tomohiro Nakama, Takahiro Terada

    Other preprint numbers: KEK-TH-2122
    Registration Date: 2019.05.01

  • KEK-Cosmo-236
  • Gravitational Waves Induced by Scalar Perturbations during a Gradual Transition from an Early Matter Era to the Radiation Era
    Keisuke Inomata, Kazunori Kohri, Tomohiro Nakama, Takahiro Terada

    Other preprint numbers: KEK-TH-2121
    Registration Date: 2019.05.01

  • KEK-Cosmo-235
  • Bouncing Universe from Nothing
    Hiroki Matsui, Fuminobu Takahashi, Takahiro Terada

    Other preprint numbers: KEK-TH-2127
    Registration Date: 2019.04.30

  • KEK-Cosmo-234
  • Prospective constraints on the primordial black hole abundance from the stochastic gravitational-wave backgrounds produced by coalescing events and curvature perturbations
    Sai Wang, Takahiro Terada, Kazunori Kohri

    Other preprint numbers: KEK-TH-2113
    Registration Date: 2019.03.15

  • KEK-Cosmo-233
  • Revisiting the lower bound on tidal deformability derived by AT 2017gfo
    Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata, Keisuke Taniguchi

    Other preprint numbers: KEK-TH-2112
    Registration Date: 2019.03.11

  • KEK-Cosmo-232
  • Discrepancy in tidal deformability of GW170817 between the Advanced LIGO twin
    Tatsuya Narikawa, Nami Uchikata, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata, Hideyuki Tagoshi

    Other preprint numbers: KEK-TH-2099
    Registration Date: 2018.12.28

  • KEK-Cosmo-231
  • How to detect the shortest-period binary pulsars in the era of LISA
    Koutarou Kyutoku, Yuki Nishino, Naoki Seto

    Other preprint numbers: KEK-TH-2089
    Registration Date: 2018.12.10

  • KEK-Cosmo-230
  • Effect of Inhomogeneity on Primordial Black Hole Formation in the Matter Dominated Era
    Takafumi Kokubu, Koutarou Kyutoku, Kazunori Kohri, Tomohiro Harada

    Other preprint numbers: KEK-TH-2080
    Registration Date: 2018.10.12

  • KEK-Cosmo-229
  • Systematic effects from black hole-neutron star waveform model uncertainties on the neutron star equation of state
    Kabir Chakravarti, Anurandha Gupta, Sukanta Bose, Matthew D. Duez, Jesus Caro, Wyatt Brege, Francois Fouart, Shaon Ghosh, Koutarou Kyutoku, Benjamin D. Lackey, Masaru Shibata, Daniel A. Hemberger, Lawrence E. Kidder, Harald P. Pfeiffer, Mark A. Scheel

    Other preprint numbers: KEK-TH-2077
    Registration Date: 2018.09.13

  • KEK-Cosmo-228
  • The origin of polarization in kilonovae and the case of the gravitational-wave counterpart AT 2017gfo
    Mattia Bulla, Stefano Covino, Koutarou Kyutoku, Masaomi Tanaka, Justyn R. Maund, Ferdinando Patat, Kenji Toma, Klaas Wiersema, James Bruten, Zi-Ping Jin, Vincenzo Testa

    Other preprint numbers: KEK-TH-2076
    Registration Date: 2018.09.13

  • KEK-Cosmo-227
  • Linearization stability of a rotating thin-shell wormhole
    Naoki Tsukamoto, Takafumi Kokubu

    Other preprint numbers: KEK-TH-2059
    Registration Date: 2018.08.02

  • KEK-Cosmo-226
  • Unitarity constraint on the Kähler curvature
    Yohei Ema, Ryuichiro Kitano, Takahiro Terada

    Other preprint numbers: KEK-TH-2065
    Registration Date: 2018.07.19

  • KEK-Cosmo-225
  • PBH abundance from random Gaussian curvature perturbations and a local density threshold
    Chul-Moon Yoo, Tomohiro Harada, Jaume Garriga, Kazunori Kohri

    Other preprint numbers: KEK-TH-2052
    Registration Date: 2018.05.11

  • KEK-Cosmo-224
  • Intrinsic galaxy alignment from anisotropic primordial non-Gaussianity
    Kazuhiro Kogai, Takahiko Matsubara, Atsushi J. Nishizawa, Yuko Urakawa

    Other preprint numbers: KEK-TH-2051
    Registration Date: 2018.05.08

  • KEK-Cosmo-223
  • Semi-Analytic Calculation of Gravitational Wave Spectrum Non-Linearly Induced from Primordial Curvature Perturbations
    Kazunori Kohri and Takahiro Terada
    arXiv:1804.08577 [gr-qc]

    Other preprint numbers: KEK-TH-2046
    Registration Date: 2018.05.03

  • KEK-Cosmo-222
  • Frequency-domain gravitational waveform models for inspiraling binary neutron stars
    Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaru Shibata, Keisuke Taniguchi
    arXiv:1802.06518 [gr-qc]

    Other preprint numbers: KEK-TH-2039
    Registration Date: 2017.02.26

  • KEK-Cosmo-221
  • Primordial Black Hole Dark Matter and LIGO/Virgo Merger Rate from Inflation with Running Spectral Indices
    K. Kohri and T. Terada
    arXiv:1802.06785 [astro-ph]

    Other preprint numbers: KEK-TH-2034
    Registration Date: 2018.02.21

  • KEK-Cosmo-220
  • Slow-roll corrections in multi-field inflation: a separate universes approach
    M. Karciauskas, K. Kohri, T. Mori and J. White
    arXiv:1802.04195 [astro-ph]

    Other preprint numbers: KEK-TH-2037
    Registration Date: 2017.02.14

  • KEK-Cosmo-219
  • Constraints on small-scale primordial power by annihilation signals from extragalactic dark matter minihalos
    Tomohiro Nakama, Teruaki Suyama, Kazunori Kohri, Nagisa Hiroshima
    arXiv:1712.08820 [gr-qc]

    Other preprint numbers: KEK-TH-2026
    Registration Date: 2017.12.28

  • KEK-Cosmo-218
  • Energy emission from high curvature region and its backreation
    Takafumi Kokubu, Sanjay Jhingan, Tomohiro Harada
    arXiv:1712.05502 [gr-qc]

    Other preprint numbers: KEK-TH-2022
    Registration Date: 2017.12.18

  • KEK-Cosmo-217
  • GW170817: Modeling based on numerical relativity and its implications
    Masaru Shibata, Sho Fujibayashi, Kenta Hotokezaka, Kenta Kiuchi, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaomi Tanaka
    arXiv:1710.07579 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2013
    Registration Date: 2017.10.25

  • KEK-Cosmo-216
  • Prospects of the local Hubble parameter measurement using gravitational waves from double neutron stars
    Naoki Seto,Koutarou Kyutoku
    arXiv:1710.06424 [astro-ph.CO]

    Other preprint numbers: KEK-TH-2012
    Registration Date: 2017.10.25

  • KEK-Cosmo-215
  • Detectability of thermal neutrinos from binary-neutron-star mergers and implication to neutrino physics
    Koutarou Kyutoku, Kazumi Kashiyama
    arXiv:1710.05922 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2011
    Registration Date: 2017.10.25

  • KEK-Cosmo-214
  • Global simulations of strongly magnetized remnant massive neutron stars formed in binary neutron star mergers
    Kenta Kiuchi, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaru Shibata
    arXiv:1710.01311 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2005
    Registration Date: 2017.10.06

  • KEK-Cosmo-213
  • Neutrino transport in black hole-neutron star binaries: neutrino emission and dynamical mass ejection
    Koutarou Kyutoku, Kenta Kiuchi, Yuichiro Sekiguchi, Masaru Shibata, Keisuke Taniguchi
    arXiv:1710.00827 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2004
    Registration Date: 2017.10.04

  • KEK-Cosmo-212
  • Extracting the cutoff frequency in the gravitational-wave spectrum of black hole-neutron star mergers
    Kyohei Kawaguchi, Koutarou Kyutoku, Hiroyuki Nakano, Masaru Shibata
    arXiv:1709.02754 [astro-ph.HE]

    Other preprint numbers: KEK-TH-2001
    Registration Date: 2017.09.12

  • KEK-Cosmo-211
  • Revisiting Big-Bang Nucleosynthesis Constraints on Long-Lived Decaying Particles
    Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi, Yoshitaro Takaesu
    arXiv:1709.01211 [hep-ph]

    Other preprint numbers: KEK-TH-1998
    Registration Date: 2017.09.07

  • KEK-Cosmo-210
  • Gravitino Problem in Inflation Models with Kähler Corrections
    Fuminori Hasegawa, Kazunori Nakayama, Takahiro Terada, Yusuke Yamada
    arXiv:1709.01246 [hep-ph]

    Other preprint numbers: KEK-TH-1992
    Registration Date: 2017.09.06

  • KEK-Cosmo-209
  • Sub-radian-accuracy gravitational waveforms of coalescing binary neutron stars in numerical relativity
    Kenta Kiuchi, Kyohei Kawaguchi, Koutarou Kyutoku, Yuichiro Sekiguchi,Masaru Shibata, Keisuke Taniguchi
    arXiv:1708.08926 [astro-ph]

    Other preprint numbers: KEK-TH-1994
    Registration Date: 2017.08.31

  • KEK-Cosmo-208
  • Electroweak Vacuum Stability and Gravitational Vacuum Polarization in Schwarzschild Black-hole Background
    Hiroki Matsui and Kazunori Kohri
    arXiv:1708.02138 [hep-ph]

    Other preprint numbers: KEK-TH-1989
    Registration Date: 2017.08.19

  • KEK-Cosmo-207
  • Squeezing spherical cows: CMB bounds on disk-accreting massive Primordial Black Holes
    Vivian Poulin, Pasquale D. Serpico, Francesca Calore, Sebastien Clesse, Kazunori Kohri
    arXiv:1707.04206 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1988
    Registration Date: 2017.07.14

  • KEK-Cosmo-206
  • Spins of primordial black holes formed in the matter-dominated phase of the Universe
    Tomohiro Harada, C.-M. Yoo, Kazunori Kohri, Kenichi Nakao
    arXiv:1707.03595 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1987
    Registration Date: 2017.07.14

  • KEK-Cosmo-205
  • Can decaying particle explain cosmic infrared background excess?
    Kazunori Kohri, Takeo Moroi and Kazunori Nakayama
    arXiv:1706.04921 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1984
    Registration Date: 2017.06.21

  • KEK-Cosmo-204
  • Extracting the orbital axis from gravitational waves of precessing binary systems
    Kyohei Kawaguchi, Koutarou Kyutoku, Hiroyuki Nakano, Masaru Shibata
    arXiv:1705.07459 [gr-qc]

    Other preprint numbers: KEK-TH-1981
    Registration Date: 2017.06.02

  • KEK-Cosmo-203
  • Multi-field effects in a simple extension of R^2 inflation
    Taro Mori, Kazunori Kohri, Jonathan White
    arXiv:1705.05638 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1980
    Registration Date: 2017.05.18

  • KEK-Cosmo-202
  • High-energy Neutrinos from Multi-body Decaying Dark Matter
    Nagisa Hiroshima, Ryuichiro Kitano, Kazunori Kohri, Kohta Murase
    arXiv:1705.04419 [hep-ph]

    Other preprint numbers: KEK-TH-1979
    Registration Date: 2017.05.15

  • KEK-Cosmo-201
  • Electroweak Vacuum Instability and Renormalized Vacuum Field Fluctuations in Adiabatic or Non-adiabatic Cosmological Background
    Kazunori Kohri and Hiroki Matsui
    arXiv:1704.06884 [hep-ph]

    Other preprint numbers: KEK-TH-1965
    Registration Date: 2017.05.01

  • KEK-Cosmo-200
  • Axion Like Particles and Recent Observations of the Cosmic Infrared Background Radiation
    Kazunori Kohri and Hideo Kodama
    arXiv:1704.05189 [hep-ph]

    Other preprint numbers: KEK-TH-1974
    Registration Date: 2017.04.19

  • KEK-Cosmo-199
  • Constraints on long-lived electrically charged massive particles from anomalous strong lens systems
    Ayuki Kamada, Kaiki Taro Inoue, Kazunori Kohri, Tomo Takahashi
    arXiv:1703.05145 [hep-ph]

    Other preprint numbers: KEK-TH-1963
    Registration Date: 2017.03.21

  • KEK-Cosmo-198
  • Running Cosmological Constant and Renormalized Vacuum Energy Density in Curved Background
    Kazunori Kohri, and Hiroki Matsui
    arXiv:1612.08818 [hep-th]

    Other preprint numbers: KEK-TH-1949
    Registration Date: 2016.12.30

  • KEK-Cosmo-197
  • Primordial black hole formation in the matter-dominated phase of the Universe
    Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri, Ken-ichi Nakao, Sanjay Jhingan
    arXiv:1609.01588 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1929
    Registration Date: 2016.9.8

  • KEK-Cosmo-196
  • Elucidating Dark Energy with Future 21 cm Observations
    Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi, Tomo Takahashi
    arXiv:1608.01601 [hep-ph]

    Other preprint numbers: KEK-TH-1923
    Registration Date: 2016.8.5

  • KEK-Cosmo-195
  • Electroweak Vacuum Instability and Renormalized Higgs Field Vacuum Fluctuations in the Inflationary Universe
    Kazunori Kohri, and Hiroki Matsui
    arXiv:1607.08133 []

    Other preprint numbers: KEK-TH-1918
    Registration Date: 2016.7.29

  • KEK-Cosmo-194
  • Effects of electrically charged dark matter on cosmic microwave background anisotropies
    Ayuki Kamada, Kazunori Kohri, Tomo Takahashi, Naoki Yoshida
    arXiv:1604.07926 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1899
    Registration Date: 2016.4.28

  • KEK-Cosmo-193
  • Constraints on primordial black holes from Galactic gamma-ray background
    B. J. Carr, Kazunori Kohri, Yuuiti Sendouda, Jun'ichi Yokoyama
    arXiv:1604.05349 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1895
    Registration Date: 2016.4.20

  • KEK-Cosmo-192
  • Cosmology with the Square Kilometre Array by SKA-Japan
    D. Yamauchi, K. Ichiki, Kazunori Kohri et al.
    arXiv:1603.01959 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1893
    Registration Date: 2016.3.14

  • KEK-Cosmo-191
  • The unreasonable weakness of r-process cosmic rays in the neutron-star-merger nucleosynthesis scenario
    Kyutoku, Koutaro; Ioka, Kunihito
    arXiv:1603.00467 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1892
    Registration Date: 2016.3.7

  • KEK-Cosmo-191
  • The unreasonable weakness of r-process cosmic rays in the neutron-star-merger nucleosynthesis scenario
    Kyutoku, Koutaro; Ioka, Kunihito
    arXiv:1603.00467 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1892
    Registration Date: 2016.3.7

  • KEK-Cosmo-190
  • Hydro-elastic Complementarity in Black Branes at large D
    Roberto Emparan, Keisuke Izumi, Raimon Luna, Ryotaku Suzuki, Kentaro Tanabe

    Other preprint numbers: KEK-TH-1885
    Registration Date: 2016.2.19

  • KEK-Cosmo-189
  • Higgs vacuum metastabilities in primordial inflation
    Kazunori Kohri and Hiroki Matsui
    arXiv:1602.02100 [hep-ph]

    Other preprint numbers: KEK-TH-1890
    Registration Date: 2016.2.8

  • KEK-Cosmo-188
  • Jet powered supernovae of ~10^5M_sun population III stars are observable by Euclid, WFIRST, WISH, and JWST
    Tatsuya Matsumoto, Daisuke Nakauchi, Kunihito Ioka, Takashi Nakamura
    arXiv:1512.03058 [astro-ph.HE]

    Other preprint numbers: KEK-TH-18xx
    Registration Date: 2015.12.11

  • KEK-Cosmo-187
  • Instability of de Sitter Reissner-Nordstrom black hole in the 1/D expansion
    Kentaro Tanabe
    arXiv:1511.06059 [hep-th]

    Other preprint numbers: KEK-TH-1876
    Registration Date: 2015.11.20

  • KEK-Cosmo-186
  • Dynamical fine-tuning of initial conditions for small field inflations
    Satoshi Iso, Kazunori Kohri, Kengo Shimada
    arXiv:1511.05923 [hep-ph]

    Other preprint numbers: KEK-TH-1872
    Registration Date: 2015.11.19

  • KEK-Cosmo-185
  • Constraints on the neutrino parameters by future cosmological 21cm line and precise CMB polarization observations
    Yoshihiko Oyama, Kazunori Kohri, Masashi Hazumi
    arXiv:1510.03806 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1825
    Registration Date: 2015.10.15

  • KEK-Cosmo-184
  • Black rings at large D
    Kentaro Tanabe
    arXiv:1510.02200 [hep-th]

    Other preprint numbers: KEK-TH-1867
    Registration Date: 2015.10.9

  • KEK-Cosmo-183
  • Revisiting Big-Bang Nucleosynthesis Constraints on Dark-Matter Annihilation
    Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi, Yoshitaro Takaesu
    Phys. Lett. B, 751 (2015) 246 (arXiv:1509.03665 [hep-ph])

    Other preprint numbers: KEK-TH-1863
    Registration Date: 2015.9.15

  • KEK-Cosmo-182
  • X-ray-powered macronovae
    Shota Kisaka, Kunihito Ioka, Ehud Nakar
    arXiv:1508.05093 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1858
    Registration Date: 2015.8.24

  • KEK-Cosmo-181
  • Time-dependent Multi-group Multidimensional Relativistic Radiative Transfer Code Based On Spherical Harmonic Discrete Ordinate Method
    Nozomu Tominaga, Sanshiro Shibata, Sergei I. Blinnikov
    Astrophys. J. Suppl. Ser., 219 (2015) 38 (arXiv:1507.05141 [astro-ph.IM])

    Other preprint numbers: KEK-TH-1852
    Registration Date: 2015.7.27

  • KEK-Cosmo-180
  • Lovelock black holes with non-constant curvature horizon
    Seiju Ohashi, Masato Nozawa
    Phys. Rev. D, 92, (2015) 064020 (arXiv:1507.04496 [hep-th])

    Other preprint numbers: KEK-TH-1850
    Registration Date: 2015.7.22

  • KEK-Cosmo-179
  • Reinterpretation of the Starobinsky model
    Takehiko Asaka, Satoshi Iso, Hikaru Kawai, Kazunori Kohri, Toshifumi Noumi, Takahiro Terada
    arXiv:1507.04344 [hep-th]

    Other preprint numbers: KEK-TH-1846
    Registration Date: 2015.7.18

  • KEK-Cosmo-178
  • Direct Collapse Black Holes Can Launch Gamma-Ray Bursts and Get Fat to Supermassive Black Holes?
    Tatsuya Matsumoto, Daisuke Nakauchi, Kunihito Ioka, Alexander Heger, Takashi Nakamura
    Astrophys. J., 810 (2015) 64 (arXiv:1506.05802 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1841
    Registration Date: 2015.6.24

  • KEK-Cosmo-177
  • Evolution and endpoint of the black string instability: Large D solution
    Roberto Emparan, Ryotaku Suzuki, Kentaro Tanabe
    Phys. Rev. Lett., 115 (2015) 091102 (arXiv:1506.06772 [hep-th])

    Other preprint numbers: KEK-TH-1838
    Registration Date: 2015.6.24

  • KEK-Cosmo-176
  • Non-uniform black strings and the critical dimension in the 1/D expansion
    Ryotaku Suzuki, Kentaro Tanabe
    Journal of High Energy Physics, 10 (2015) 107 (arXiv:1506.01890 [hep-th])

    Other preprint numbers: KEK-TH-1827
    Registration Date: 2015.6.11

  • KEK-Cosmo-175
  • X-raying Extended emission and rapid decay of short gamma-ray bursts
    Yasuaki Kagawa, Daisuke Yonetoku, Tatsuya Sawano, Asuka Toyanago, Takashi Nakamura, Keitaro Takahashi, Kazumi Kashiyama, Kunihito Ioka
    Astrophys. J., 811 (2015) 4 (arXiv:1506.02359 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1833
    Registration Date: 2015.6.9

  • KEK-Cosmo-174
  • Cosmic-Ray Hardenings in the Light of AMS-02
    Yutaka Ohira, Norita Kawanaka, Kunihito Ioka
    arXiv:1506.01196 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1832
    Registration Date: 2015.6.9

  • KEK-Cosmo-173
  • Isotropic Detectable X-ray Counterparts to Gravitational Waves from Neutron Star Binary Mergers
    Shota Kisaka, Kunihito Ioka, Takashi Nakamura
    Astrophys. J., 809 (2015) L8 (arXiv:1506.02030 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1831
    Registration Date: 2015.6.9

  • KEK-Cosmo-172
  • The most general second-order field equations of bi-scalar-tensor theory in four dimensions
    Seiju Ohashi, Norihiro Tanahashi, Tsutomu Kobayashi, Masahide Yamaguchi
    Journal of High Energy Physics, 07 (2015) 008 (arXiv:1505.06029 [gr-qc])

    Other preprint numbers: KEK-TH-1826
    Registration Date: 2015.5.21

  • KEK-Cosmo-171
  • Stationary black holes: Large D analysis
    Ryotaku Suzuki, Kentaro Tanabe
    Journal of High Energy Physics, 09 (2015) 193 (arXiv:1505.01282 [gr-qc])

    Other preprint numbers: KEK-TH-1818
    Registration Date: 2015.5.7

  • KEK-Cosmo-170
  • Can we explain AMS-02 antiproton and positron excesses simultaneously by nearby supernovae without pulsars nor dark matter?
    Kazunori Kohri, Kunihito Ioka, Yutaka Fujita, Ryo Yamazaki
    arXiv:1505.01236 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1821
    Registration Date: 2015.5.7

  • KEK-Cosmo-169
  • Bosenova and Axiverse
    Hirotaka Yoshino, Hideo Kodama
    Class. Quantum Grav., 32 (2015) 214001 (arXiv:1505.00714 [gr-qc])

    Other preprint numbers: KEK-TH-1820
    Registration Date: 2015.5.7

  • KEK-Cosmo-168
  • Effective theory of Black Holes in the 1/D expansion
    Roberto Emparan, Tetsuya Shiromizu, Ryotaku Suzuki, Kentaro Tanabe, Takahiro Tanaka
    Journal of High Energy Physics, 06 (2015) 159 (arXiv:1504.06489 [hep-th])

    Other preprint numbers: KEK-TH-1810
    Registration Date: 2015.4.27

  • KEK-Cosmo-167
  • Disformal invariance of curvature perturbation
    Hayato Motohashi, Jonathan White
    arXiv:1504.00846 [gr-qc]

    Other preprint numbers: KEK-TH-1802
    Registration Date: 2015.4.16

  • KEK-Cosmo-166
  • Neutrino Flavor Ratios Modified by Cosmic Ray Re-acceleration
    Norita Kawanaka, Kunihito Ioka
    Phys. Rev. D, 92 (2015) 085047 (arXiv:1504.03417 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1804
    Registration Date: 2015.4.15

  • KEK-Cosmo-165
  • Long-Lasting Black-Hole Jets in Short Gamma-Ray Bursts
    Shota Kisaka, Kunihito Ioka
    Astrophys. J., 804 (2015) L16 (arXiv:1503.06791 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1800
    Registration Date: 2015.3.25

  • KEK-Cosmo-164
  • What we can learn from running of the tensor mode: a case of the scalon
    Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
    arXiv:1503.05267 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1799
    Registration Date: 2015.3.20

  • KEK-Cosmo-163
  • Dynamical mass ejection from black hole-neutron star binaries
    Koutarou Kyutoku, Kunihito Ioka, Hirotada Okawa, Masaru Shibata, Keisuke Taniguchi
    Phys. Rev. D, 92, (2015) 044028 (arXiv:1502.05402 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1796
    Registration Date: 2015.2.26

  • KEK-Cosmo-162
  • Quasinormal modes of (Anti-)de Sitter black holes in the 1/D expansion
    Roberto Emparan, Ryotaku Suzuki, Kentaro Tanabe
    Journal of High Energy Physics, 04 (2015) 85 (arXiv:1502.02820 [hep-th])

    Other preprint numbers: KEK-TH-1794
    Registration Date: 2015.2.11

  • KEK-Cosmo-161
  • Inflation in maximal gauged supergravities
    Hideo Kodama, Masato Nozawa
    J. Cosm. Astropart. Phys., 05 (2015) 028 (arXiv:1502.01378 [hep-th])

    Other preprint numbers: KEK-TH-1793
    Registration Date: 2015.2.4

  • KEK-Cosmo-160
  • Isotropy constraints on powerful sources of ultrahigh-energy cosmic rays at 10^{19} eV
    Hajime Takami, Kohta Murase, Charles D. Dermer
    arXiv:1412.4716 [astro-ph.HE]

    Other preprint numbers: KEK-TH-1786
    Registration Date: 2014.12.24

  • KEK-Cosmo-159
  • Integrability of Particle System around a Ring Source as the Newtonian Limit of a Black Ring
    Takahisa Igata, Hideki Ishihara, Hirotaka Yoshino
    Phys. Rev. D, 91, (2015) 084042 (arXiv:1412.7033 [hep-th])

    Other preprint numbers: KEK-TH-1783
    Registration Date: 2014.12.6

  • KEK-Cosmo-158
  • Consistency Relations for Large Field Inflation: Non-minimal Coupling
    Takeshi Chiba, Kazunori Kohri
    Prog. Theor. Exp. Phys. (2015) 023E018 (arXiv:1411.7104 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1782
    Registration Date: 2014.11.25

  • KEK-Cosmo-157
  • Testing the millisecond pulsar scenario of the Galactic center gamma-ray excess with very high energy gamma-rays
    Qiang Yuan, Kunihito Ioka
    Astrophys. J., 802 (2015) 124 (arXiv:1411.4363 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1779
    Registration Date: 2014.11.19

  • KEK-Cosmo-156
  • Energy sources and light curves of macronovae
    Shota Kisaka, Kunihito Ioka, Hajime Takami
    Astrophys. J., 802 (2015) 119 (arXiv:1410.0966 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1775
    Registration Date: 2014.10.16

  • KEK-Cosmo-155
  • Magnetic field configurations of a magnetar throughout its interior and exterior -- core, crust and magnetosphere
    Kotaro Fujisawa, Shota Kisaka
    Mon. Not. Roy. Astron. Soc., 445 (2014) 2777 (arXiv:1409.4547 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1768
    Registration Date: 2014.9.17

  • KEK-Cosmo-154
  • Bounds on the origin of extragalactic ultrahigh energy cosmic rays from the IceCube neutrino observations
    Shigeru Yoshida, Hajime Takami
    Phys. Rev. D, 90, (2014) 123012 (arXiv:1409.2950 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1767
    Registration Date: 2014.9.11

  • KEK-Cosmo-153
  • Superheavy dark matter and IceCube neutrino signals, bounds on decaying dark matter
    Carsten Rott, Kazunori Kohri, Seong Chan Park
    Phys. Rev. D, 92, (2015) 023529 (arXiv:1408.4575 [hep-ph])

    Other preprint numbers: KEK-TH-1761, KIAS-P14052
    Registration Date: 2014.8.22

  • KEK-Cosmo-152
  • Small Field Coleman-Weinberg Inflation driven by Fermion Condensate
    Satoshi Iso, Kazunori Kohri, Kengo Shimada
    Phys. Rev. D, 91, (2015) 044006 arXiv:1408.2339 [hep-ph]

    Other preprint numbers: KEK-TH-1758
    Registration Date: 2014.8.18

  • KEK-Cosmo-151
  • Probing the string axiverse by gravitational waves from Cygnus X-1
    Hirotaka Yoshino, Hideo Kodama
    Prog. Theor. Exp. Phys. (2015) 061E01 (arXiv:1407.2030 [gr-qc])

    Other preprint numbers: KEK-TH-1751
    Registration Date: 2014.7.9

  • KEK-Cosmo-150
  • Synchrotron X-ray emission from old pulsars
    Shota Kisaka, Shuta J. Tanaka
    Mon. Not. Roy. Astron. Soc., 443 (2014) 2063 (arXiv:1406.7151 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1749
    Registration Date: 2014.6.30

  • KEK-Cosmo-149
  • Consistency Relations for Large Field Inflation
    Takeshi Chiba, Kazunori Kohri
    Prog. Theor. Exp. Phys. (2014) 093E01 (arXiv:1406.6117 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1747
    Registration Date: 2014.6.25

  • KEK-Cosmo-148
  • Decoupling and non-decoupling dynamics of large D black holes
    Roberto Emparan, Ryotaku Suzuki, Kentaro Tanabe
    Journal of High Energy Physics, 07 (2014) 113 (arXiv:1406.1258 [hep-th])

    Other preprint numbers: KEK-TH-1741
    Registration Date: 2014.6.6

  • KEK-Cosmo-147
  • Ambiguity in running spectral index with an extra light field during inflation
    Kazunori Kohri, Tomohiro Matsuda
    J. Cosm. Astropart. Phys., 02 (2015) 019 arXiv:1405.6769 [astro-ph.CO]

    Other preprint numbers: KEK-TH-1738
    Registration Date: 2014.5.28

  • KEK-Cosmo-146
  • Testing scenarios of primordial black holes being the seeds of supermassive black holes by ultracompact minihalos and CMB μ-distortions
    Kazunori Kohri, Tomohiro Nakama, Teruaki Suyama
    Phys. Rev. D, 90 (2014) 083514 (arXiv:1405.5999 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1736
    Registration Date: 2014.5.26

  • KEK-Cosmo-145
  • Detecting the relic gravitational wave from the electroweak phase transition at SKA
    Yohei Kikuta, Kazunori Kohri, Eunseong So
    arXiv:1405.4166 [hep-ph]

    Other preprint numbers: KEK-TH-1735
    Registration Date: 2014.5.19

  • KEK-Cosmo-144
  • Distinguishing between Extra Natural Inflation and Natural Inflation after BICEP2
    Kazunori Kohri, C. S. Lim, Chia-Min Lin
    J. Cosm. Astropart. Phys., 08 (2014) 001 (arXiv:1405.0772 [hep-ph])

    Other preprint numbers: KEK-TH-1733
    Registration Date: 2014.5.7

  • KEK-Cosmo-143
  • The Evolution of High Temperature Plasma in Magnetar Magnetospheres and its Implications for Giant Flares
    Makoto Takamoto, Shota Kisaka, Takeru K. Suzuki, Toshio Terasawa
    Astrophys. J., 787 (2014) 84 (arXiv:1404.2766 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1728
    Registration Date: 2014.4.23

  • KEK-Cosmo-142
  • Probing Lepton Asymmetry with 21 cm Fluctuations
    Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi, Tomo Takahashi
    J. Cosm. Astropart. Phys., 09 (2014) 014 (arXiv:1404.4847 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1727
    Registration Date: 2014.4.21

  • KEK-Cosmo-141
  • IceCube PeV-EeV Neutrinos and Secret Interactions of Neutrinos
    Kunihito Ioka, Kohta Murase
    Prog. Theor. Exp. Phys. (2014) 061E017 (arXiv:1404.2279 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1723
    Registration Date: 2014.4.16

  • KEK-Cosmo-140
  • Jet collimation in the ejecta of double neutron star merger: new canonical picture of short gamma-ray bursts
    Hiroki Nagakura, Kenta Hotokezaka, Yuichiro Sekiguchi, Masaru Shibata, Kunihito Ioka
    Astrophys. J., 784 (2014) L28 (arXiv:1403.0956 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1721
    Registration Date: 2014.3.31

  • KEK-Cosmo-139
  • Dust formation in macronova
    Hajime Takami, Takaya Nozawa, Kunihito Ioka
    Astrophys. J., 789 (2014) L6 (arXiv:1403.5872 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1720
    Registration Date: 2014.3.31

  • KEK-Cosmo-138
  • Big-bang nucleosynthesis through bound-state effects with a long-lived slepton in the NMSSM
    Kazunori Kohri, Masafumi Koike, Yasufumi Konishi, Shingo Ohta, Joe Sato, Takashi Shimomura, Kenichi Sugai, Masato Yamanaka
    Phys. Rev. D, 90 (2014) 035003 (arXiv:1403.1561 [hep-ph])

    Other preprint numbers: KEK-TH-1712
    Registration Date: 2014.3.8

  • KEK-Cosmo-137
  • X-ray Spectroscopy of the Mixed Morphology Supernova Remnant W28 with XMM-Newton
    Ryoko Nakamura, Aya Bamba, Manabu Ishida, Ryo Yamazaki, Ken'ichi Tatematsu, Kazunori Kohri, Gerd Puhlhofer, Stefan J. Wagner, and Makoto Sawada
    Publ. Astron. Soc. Japan, 66 (2014) 6210 (arXiv:1402.0603 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1703
    Registration Date: 2014.2.6

  • KEK-Cosmo-136
  • Gravitational radiation from an axion cloud around a black hole: Superradiant phase
    Hirotaka Yoshino, Hideo Kodama
    Prog. Theor. Exp. Phys. (2014) 043E02 (arXiv:1312.2326 [gr-qc])

    Other preprint numbers: KEK-TH-1694
    Registration Date: 2013.12.8

  • KEK-Cosmo-135
  • Stability of the Schwarzschild-de Sitter black hole in the dRGT massive gravity theory
    Hideo Kodama, Ivan Arraut
    Prog. Theor. Exp. Phys. (2014) 023E02 (arXiv:1312.0370 [hep-th])

    Other preprint numbers: KEK-TH-1692
    Registration Date: 2013.12.3

  • KEK-Cosmo-134
  • On the Black Holes in alternative theories of gravity: The case of non-linear massive gravity
    Ivan Arraut
    Int. J. Mod. Phys. D, (2015) 1550022 (arXiv:1311.0732 [gr-qc])

    Other preprint numbers: KEK-TH-1683
    Registration Date: 2013.11.5

  • KEK-Cosmo-133
  • 130 GeV gamma-ray line through axion conversion
    Masato Yamanaka, Kazunori Kohri, Kunihito Ioka, Mihoko M. Nojiri
    Phys. Rev. D, 91 (2015) 063532 (arXiv:1310.3474 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1679
    Registration Date: 2013.10.17

  • KEK-Cosmo-132
  • Modeling scalar fields consistent with positive mass
    Masato Nozawa, Tetsuya Shiromizu
    Phys. Rev. D, 89 (2014) 023011 (arXiv:1310.1663 [gr-qc])

    Other preprint numbers: KEK-TH-1674
    Registration Date: 2013.10.8

  • KEK-Cosmo-131
  • Can a non-local model of gravity reproduce Dark Matter effects in agreement with MOND?
    Ivan Arraut
    Int. J. Mod. Phys. D, 23 (2014) 1450008 (arXiv:1310.0675 [gr-qc])

    Other preprint numbers: KEK-TH-1673
    Registration Date: 2013.10.4

  • KEK-Cosmo-130
  • Hilltop Supernatural Inflation and SUSY Unified Models
    Kazunori Kohri, C. S. Lim, Chia-Min Lin, Yukihiro Mimura
    J. Cosm. Astropart. Phys., 01 (2014) 029 (arXiv:1309.4551 [hep-ph])

    Other preprint numbers: KEK-TH-1669
    Registration Date: 2013.9.20

  • KEK-Cosmo-129
  • Threshold of primordial black hole formation
    Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri
    Phys. Rev. D, 88 (2013) 084051 (arXiv:1309.4201 [hep-ph])

    Other preprint numbers: KEK-TH-1668
    Registration Date: 2013.9.19

  • KEK-Cosmo-128
  • Scale-dependent CMB asymmetry from a primordial configuration
    Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
    J. Cosm. Astropart. Phys., 08 (2014) 026 (arXiv:1308.5790 [hep-ph])

    Other preprint numbers: KEK-TH-1664
    Registration Date: 2013.8.28

  • KEK-Cosmo-127
  • Cosmological Fast Radio Bursts from Binary White Dwarf Mergers
    Kazumi Kashiyama, Kunihito Ioka, Peter Mészáros
    Astrophys. J. Lett., 776 (2013) L39 (arXiv:1307.7708 [astro-ph])

    Other preprint numbers: KEK-TH-1657
    Registration Date: 2013.8.1

  • KEK-Cosmo-126
  • TeV-PeV Neutrinos from Low-Power Gamma-Ray Burst Jets inside Stars
    Kohta Murase, Kunihito Ioka
    Phys. Rev. Lett., 111 (2013) 121102 (arXiv:1306.2274 [astro-ph])

    Other preprint numbers: KEK-TH-1656
    Registration Date: 2013.8.1

  • KEK-Cosmo-125
  • Anisotropic mass ejection from black hole-neutron star binaries: Diversity of electromagnetic counterparts
    Koutarou Kyutoku, Kunihito Ioka, Masaru Shibata
    Phys. Rev. D, 88 (2013) 041503 (arXiv:1305.6309 [astro-ph])

    Other preprint numbers: KEK-TH-1655
    Registration Date: 2013.8.1

  • KEK-Cosmo-124
  • Gamma-Ray Burst Science in the Era of the Cherenkov Telescope Array
    Susumu Inoue, Jonathan Granot, Paul T. O'Brien, Katsuaki Asano, Aurelien Bouvier, Alessandro Carosi, Valerie Connaughton, Markus Garczarczyk, Rudy Gilmore, Jim Hinton, Yoshiyuki Inoue, Kunihito Ioka, Jun Kakuwa, Sera Markoff, Kohta Murase, Julian P. Osborne, A. Nepomuk Otte, Rhaana Starling, Hiroyasu Tajima, Masahiro Teshima, Kenji Toma, Stefan Wagner, Ralph A. M. Wijers, David A. Williams, Tokonatsu Yamamoto, Ryo Yamazaki for the CTA Consortium
    Astropart. Phys., 43 (2013) 252 (arXiv:1301.3014 [astro-ph])

    Other preprint numbers: KEK-TH-1654
    Registration Date: 2013.8.1

  • KEK-Cosmo-123
  • High-Energy Radiation from Remnants of Neutron Star Binary Mergers
    Hajime Takami, Koutarou Kyutoku, Kunihito Ioka
    Phys. Rev. D, 89 (2014) 063006 (arXiv:1307.6805 [astro-ph])

    Other preprint numbers: KEK-TH-1652
    Registration Date: 2013.7.26

  • KEK-Cosmo-122
  • On the astrophysical scales set by the Cosmological Constant
    Ivan Arraut
    arXiv:1305.0475 [hep-ph]

    Other preprint numbers: KEK-TH-1627
    Registration Date: 2013.7.4

  • KEK-Cosmo-121
  • Constraining the co-genesis of Visible and Dark Matter with AMS-02 and Xenon-100
    Kazunori Kohri, Narendra Sahu
    Phys. Rev. D, 88 (2013) 103001 (arXiv:1306.5629 [hep-ph])

    Other preprint numbers: KEK-TH-1642
    Registration Date: 2013.6.25

  • KEK-Cosmo-120
  • Disentangling Hadronic and Leptonic Cascade Scenarios from the Very-High-Energy Gamma-Ray Emission of Distant Hard-Spectrum Blazars
    Hajime Takami, Kohta Murase, Charles D. Dermer
    Astrophys. J. Lett., 771 (2013) L32 (arXiv:1305.2138 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1633
    Registration Date: 2013.5.10

  • KEK-Cosmo-119
  • Opening Angle of Collapsar Jets
    Akira Mizuta, Kunihito Ioka
    Astrophys. J., 777 (2013) 162 (arXiv:1304.0163 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1615
    Registration Date: 2013.4.4

  • KEK-Cosmo-118
  • Lower Bounds on Magnetic Fields in Intergalactic Voids from Long-Term GeV-TeV Light Curves of the Blazar Mrk 421
    Keitaro Takahashi, Masaki Mori, Kiyotomo Ichiki, Susumu Inoue, Hajime Takami
    Astrophys. J. Lett., 771 (2013) L42 (arXiv:1303.3069 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1619
    Registration Date: 2013.4.4

  • KEK-Cosmo-117
  • Production cross sections of γ-rays, electrons, and positrons in p–p collision
    T. Shibata, Y. Ohira, K. Kohri, R. Yamazaki
    Astropart. Phys., 55 (2014) 8 (arXiv:1304.0879 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1617
    Registration Date: 2013.4.4

  • KEK-Cosmo-116
  • Observable induced gravitational waves from an early matter phase
    Laila Alabidi, Kazunori Kohri, Misao Sasaki, Yuuiti Sendouda
    J. Cosm. Astropart. Phys., 05 (2013) 033 (arXiv:1303.4519 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1614
    Registration Date: 2013.3.21

  • KEK-Cosmo-115
  • Delta-N Formalism for Curvaton with Modulated Decay
    Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
    J. Cosm. Astropart. Phys., 06 (2013) 009 (arXiv:1303.2750 [hep-ph])

    Other preprint numbers: KEK-TH-1612
    Registration Date: 2013.3.14

  • KEK-Cosmo-114
  • Supersymmetry of the C-metric and the general
    Dietmar Klemm and Masato Nozawa
    JHEP, 05 (2013) 123 (arXiv:1303.3119 [hep-th])

    Other preprint numbers: KEK-TH-1611
    Registration Date: 2013.3.13

  • KEK-Cosmo-113
  • Precise Measurements of Primordial Power Spectrum with 21 cm Fluctuations
    Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi, Tomo Takahashi
    J. Cosm. Astropart. Phys., 10 (2013) 065 (arXiv:1303.1688 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1610
    Registration Date: 2013.3.8

  • KEK-Cosmo-112
  • Exploring tidal effects of coalescing binary neutron stars in numerical relativity
    Kenta Hotokezaka, Koutarou Kyutoku, Masaru Shibata
    Phys. Rev. D, 87 (2013) 044001 (arXiv:1301.3555 [gr-qc])

    Other preprint numbers: KEK-TH-1608
    Registration Date: 2013.2.22

  • KEK-Cosmo-111
  • The mass ejection from the merger of binary neutron stars
    Kenta Hotokezaka, Kenta Kiuchi, Koutarou Kyutoku, Hirotada Okawa, Yu-ichiro Sekiguchi, Masaru Shibata, Keisuke Taniguchi
    Phys. Rev. D 87 (2013) 024001 (arXiv:1212.0905 [astro-ph])

    Other preprint numbers: KEK-TH-1607
    Registration Date: 2013.2.22

  • KEK-Cosmo-110
  • Ultra-relativistic counterparts to binary neutron star mergers in every direction, x-ray-to-radio bands and second-to-day timescales
    Koutarou Kyutoku, Kunihito Ioka, Masaru Shibata
    Mon. Not. Roy. Astron. Soc., 437 (2014) L6 (arXiv:1209.5747 [astro-ph])

    Other preprint numbers: KEK-TH-1606
    Registration Date: 2013.2.22

  • KEK-Cosmo-109
  • Modulated decay in the multi-component Universe
    Seishi Enomoto, Kazunori Kohri, Tomohiro Matsuda
    J. Cosmo. Astropart. Phys., 08 (2013) 047 (arXiv:1301.3787 [gr-qc])

    Other preprint numbers: KEK-TH-1601
    Registration Date: 2013.1.22

  • KEK-Cosmo-108
  • Structure of Dark Matter Halos in Warm Dark Matter models and in models with Long-Lived Charged Massive Particles
    Ayuki Kamada, Naoki Yoshida, Kazunori Kohri, Tomo Takahashi
    J. Cosmo. Astropart. Phys., 03 (2013) 008 (arXiv:1301.2744 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1598
    Registration Date: 2013.1.15

  • KEK-Cosmo-107
  • Primordial Black Holes from the inflating curvaton
    Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
    Phys. Rev. D, 87 (2013) 103527 (arXiv:1211.2371 [hep-ph])

    Other preprint numbers: KEK-TH-1590
    Registration Date: 2012.11.14

  • KEK-Cosmo-106
  • Non-Gaussianity in the inflating curvaton
    Seishi Enomoto, Kazunori Kohri, Tomohiro Matsuda
    Phys. Rev. D, 87 (2013) 123520 (arXiv:1210.7118 [hep-ph])

    Other preprint numbers: KEK-TH-1587
    Registration Date: 2012.10.28

  • KEK-Cosmo-105
  • Classification and stability of vacua in maximal gauged sugra
    Hideo Kodama, Masato Nozawa
    Journal of High Energy Physics, 01 (2013) 045 (arXiv:1210.4238 [gr-qc])

    Other preprint numbers: KEK-TH-1582
    Registration Date: 2012.10.16

  • KEK-Cosmo-104
  • High frequency limit for gravitational perturbations of cosmological models in modified gravity theories
    Keiki Saito, Akihiro Ishibashi
    Prog. Theor. Exp. Phys., (2013) 013E04 (arXiv:1209.5159 [gr-qc])

    Other preprint numbers: KEK-TH-1571
    Registration Date: 2012.9.25

  • KEK-Cosmo-103
  • Upper limit on the cosmological gamma-ray background
    Inoue Yoshiyuki, Ioka Kunihito
    Phys. Rev. D, 86 (2012) 023003 (arXiv:1206.2923 [astro-ph])

    Other preprint numbers: KEK-TH-1573
    Registration Date: 2012.9.24

  • KEK-Cosmo-102
  • Allowed slepton intergenerational mixing in light of light element abundances
    Kazunori Kohri, Shingo Ohta, Joe Sato, Takashi Shimomura, Masato Yamanaka
    Phys. Rev. D, 86 (2012) 095024 (arXiv:1208.5533 [hep-ph])

    Other preprint numbers: KEK-TH-1566, STUPP-12-210
    Registration Date: 2012.8.29

  • KEK-Cosmo-101
  • Three dimensional evolution of differentially rotating magnetized neutron stars
    Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata
    Phys. Rev. D, 86 (2012) 064008 (arXiv:1207.6444 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1564
    Registration Date: 2012.8.9

  • KEK-Cosmo-100
  • Current status of numerical-relativity simulations in Kyoto
    Yuichiro Sekiguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata
    Prog. Theor. Exp. Phys., (2012) 01A304 (arXiv:1206.5927 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1556
    Registration Date: 2012.6.27

  • KEK-Cosmo-99
  • Geometrical aspects on parameter estimation of stochastic gravitational wave background: beyond the Fisher analysis
    Naoki Seto, Koutarou Kyutoku
    Phys. Rev. D, 86 (2012) 042002 (arXiv:1206.5331 [astro-ph.CO

    Other preprint number: KEK-TH-1555
    Registration Date: 2012.06.27

  • KEK-Cosmo-98
  • Gamma-Ray and Neutrino Backgrounds as Probes of the High-Energy Universe: Hints of Cascades, General Constraints, and Implications for TeV Searches
    Kohta Murase, John F. Beacom, Hajime Takami
    J. Cosmo. Astropart. Phys., 08 (2012) 030 (arXiv:1205.5755 [astro-ph.CO])

    Other preprint number: KEK-TH-1618
    Registration Date: 2012.6.7

  • KEK-Cosmo-97
  • Gravitational waves, neutrino emissions, and effects of hyperons in binary neutron star mergers
    Kenta Kiuchi, Yuichiro Sekiguchi, Koutarou Kyutoku, Masaru Shibata
    Class. Quantum Grav., 29 (2012) 124003 (arXiv:1206.0509 [astro-ph.CO])

    Other preprint number: KEK-TH-1553
    Registration Date: 2012.6.7

  • KEK-Cosmo-96
  • Time evolution of a thin black ring via Hawking radiation
    Mitsuhiro Matsumoto, Hirotaka Yoshino, Hideo Kodama
    Phys. Rev. D, 89 (2014) 044016 (arXiv:1205.5715 [gr-qc])

    Other preprint number: KEK-TH-1550
    Registration Date: 2012.5.28

  • KEK-Cosmo-95
  • Determination of neutrino mass hierarchy by 21 cm line and CMB B-mode polarization observations
    Yoshihiko Oyama, Akie Shimizu, Kazunori Kohri
    Phys. Lett. B, 718 (2013) 1186 (arXiv:1205.5223 [astro-ph.CO])

    Other preprint number: KEK-TH-1549
    Registration Date: 2012.5.24

  • KEK-Cosmo-94
  • Kelvin-Helmholtz Turbulence Associated with Collisionless Shocks in Laser Produced Plasmas
    Y. Kuramitsu, Y. Sakawa, S. Dono, C. D. Gregory, S. A. Pikuz, B. Loupias, M. Koenig, J. N. Waugh, N. Woolsey, T. Morita, T. Moritaka, T. Sano, Y. Matsumoto, A. Mizuta, N. Ohnishi, H. Takabe
    Phys. Rev. Lett. 108 (2012) 195004

    Other preprint numbers: KEK-TH-1548
    Registration Date: 2012.5.21

  • KEK-Cosmo-93
  • Bosenova collapse of axion cloud around a rotating black hole
    Hirotaka Yoshino, Hideo Kodama
    Prog. Theor. Phys., 128 (2012) 153-190 (arXiv:1203.5070 [gr-qc])

    Other preprint number: KEK-TH-1530
    Registration Date: 2012.3.30

  • KEK-Cosmo-92
  • The survival of nuclei in jets associated with core-collapse supernovae
    Shunsaku Horiuchi, Kohta Murase, Kunihito Ioka, Peter Meszaros
    Astrophys. J., 753 (2012) 69 (arXiv:1203.0296 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1532
    Registration Date: 2012.3.22

  • KEK-Cosmo-91
  • Observable Spectra of Induced Gravitational Waves from Inflation
    Laila Alabidi, Kazunori Kohri, Misao Sasaki, Yuuiti Sendouda
    J. Cosmo. Astropart. Phys., 09 (2012) 017 (arXiv:1203.4663v1 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1531
    Registration Date: 2012.3.22

  • KEK-Cosmo-90
  • Gamma-ray flare and absorption in Crab Nebula: Lovely TeV-PeV astrophysics advanced facility for ground-based high-energy gamma-ray astronomy
    Kazunori Kohri, Yutaka Ohira, Kunihito Ioka
    Mon. Not. Roy. Astron. Soc., 424 (2012) 2249 (arXiv:1202.6439 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1524
    Registration Date: 2012.3.1

  • KEK-Cosmo-89
  • Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy
    M. Actis, et al. [The CTA Consortium]
    Experimental Astronomy, 32 (2011) 193-316 (arXiv:1008.3703 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1522
    Registration Date: 2012.2.22

  • KEK-Cosmo-88
  • Prospects for Detecting Gamma-Ray Bursts at Very High Energies with the Cherenkov Telescope Array
    Jun Kakuwa, Kohta Murase, Kenji Toma, Susumu Inoue, Ryo Yamazaki, Kunihito Ioka
    Mon. Not. Roy. Astron. Soc., 425 (2012) 514 (arXiv:1112.5940 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1521
    Registration Date: 2012.2.22

  • KEK-Cosmo-87
  • Effects of Leakage Neutral Particles on Shocks
    Yutaka Ohira
    Astrophys. J., 758 (2012) 97 (arXiv:1202.4620 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1520
    Registration Date: 2012.2.22

  • KEK-Cosmo-86
  • Hybrid curvaton
    Konstantinos Dimopoulos, Kazunori Kohri, Tomohiro Matsuda
    Phys. Rev. D 85 (2012) 123541 (arXiv:1201.6037 [hep-ph])

    Other preprint numbers: KEK-TH-1517
    Registration Date: 2012.2.1

  • KEK-Cosmo-85
  • Flipped SL(2,R) duality in five-dimensional supergravity
    Sun'ya Mizoguchi, Shinya Tomizawa
    Phys. Rev. D 86 (2012) 024022 (arXiv:1201.3063 [hep-th])

    Other preprint numbers: KEK-TH-1515
    Registration Date: 2012.1.18

  • KEK-Cosmo-84
  • Evolution of Synchrotron X-rays in Supernova Remnants
    R. Nakamura, A. Bamba, T. Dotani, M. Ishida, R. Yamazaki, K. Kohri
    Astrophys. J., 746 (2012) 134 (arXiv:1112.0822 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1425
    Registration Date: 2011.12.9

  • KEK-Cosmo-83
  • Non-thermal Emission from Cool Cores Heated by Cosmic-Rays in Galaxy Clusters
    Yutaka Fujita, Yutaka Ohira
    Astrophys. J., 746 (2012) 53 (arXiv:1111.4208 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1507
    Registration Date: 2011.11.21

  • KEK-Cosmo-82
  • The inflating curvaton
    Konstantinos Dimopoulos, Kazunori Kohri, David H. Lyth, Tomohiro Matsuda
    J. Cosmo. Astropart. Phys., 03 (2012) 022 (arXiv:1110.2951 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1501
    Registration Date: 2011.10.24

  • KEK-Cosmo-81
  • Relativistic Electron Shock Drift Acceleration in Low Mach Number Galaxy Cluster Shocks
    Shuichi Matsukiyo, Yutaka Ohira, Ryo Yamazaki, Takayuki Umeda
    Astrophys. J., 742 (2011) 47 (arXiv:1109.0070 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1500
    Registration Date: 2011.10.3

  • KEK-Cosmo-80
  • Axiverse and Black Hole
    Hideo Kodama, Hirotaka Yoshino
    Int. J. Mod. Phys. Conf. Ser., 07 (2012) 84 (arXiv:1108.1365 [hep-th])

    Other preprint numbers: KEK-TH-1485
    Registration Date: 2011.8.8

  • KEK-Cosmo-79
  • Stable Heating of Cluster Cooling Flows by Cosmic-Ray streaming
    Yutaka Fujita, Yutaka Ohira
    Astrophys. J., 738 (2011) 182 (arXiv:1106.5790 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1471, OU-TAP-317
    Registration Date: 2011.7.1

  • KEK-Cosmo-78
  • Phenomenology of Gravitational Aether as a solution to the Old Cosmological Constant Problem
    S. Aslanbeigi, G. Robbers, B. Z. Foster, K. Kohri, N. Afshordi
    Phys. Rev. D, 84 (2011) 103522 (arXiv:1106.3955 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1469, pi-cosmo-228
    Registration Date: 2011.6.21

  • KEK-Cosmo-77
  • New approach to solution generation using SL(2,R)-duality of a imensionally reduced space in five-dimensional minimal supergravity and new black holes
    Shun'ya Mizoguchi, Sinya Tomizawa
    Phys. Rev. D, 84 (2011) 104009 (arXiv:1106.3165 [hep-th])

    Other preprint numbers: KEK-TH-1466
    Registration Date: 2011.6.17

  • KEK-Cosmo-76
  • Parity Violation in Graviton Non-gaussianity
    Jiro Soda, Hideo Kodama, Masato Nozawa
    J. High Energy Phys., 08 (2011) 067 (arXiv:1106.3228 [hep-th])

    Other preprint numbers: KEK-TH-1467, KUNS-2346
    Registration Date: 2011.6.17

  • KEK-Cosmo-75
  • Escape of cosmic-ray electrons from supernova remnants
    Yutaka Ohira, Ryo Yamazaki, Norita Kawanaka, Kunihito Ioka
    Mon. Not. Roy. Astron. Soc., 427 (2012) 91-102 (arXiv:1106.1810 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1465
    Registration Date: 2011.6.13

  • KEK-Cosmo-74
  • Alfven wave amplification and self-containment of cosmic-rays escaping from a supernova remnant
    Yutaka Fujita, Fumio Takahara, Yutaka Ohira, Kazunari Iwasaki
    Mon. Not. Roy. Astron. Soc., 415 (2011) 3434-3438 (arXiv:1105.0683 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1464
    Registration Date: 2011.6.13

  • KEK-Cosmo-73
  • Afterglow of binary neutron star merger
    Masaru Shibata, Yudai Suwa, Kenta Kiuchi, Kunihito Ioka
    Astrophys. J. Lett., 734 (2011) L36 (arXiv:1105.3302 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1461
    Registration Date: 2011.5.27

  • KEK-Cosmo-72
  • Population III.1 and III.2 Gamma-Ray Bursts: Constraints on the Event Rate for Future Radio and X-ray Surveys
    Rafael S de Souza, Naoki Yoshida, Kunihito Ioka
    Astron. & Astrophys., 533 (2011) A32 (arXiv:1105.2395 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1460
    Registration Date: 2011.5.27

  • KEK-Cosmo-71
  • Big-bang nucleosynthesis with a long-lived charged massive particle including 4He spallation processes
    T. Jittoh, K. Kohri, M. Koike, J. Sato, K. Sugai, M. Yamanaka, K. Yazaki
    Phys. Rev. D, 84 (2011) 035008 (arXiv:1105.1431 [hep-ph])

    Other preprint numbers: KEK-TH-1455, STUPP-11-208, MISC-2011-04, MP-20
    Registration Date: 2011.5.10

  • KEK-Cosmo-70
  • Population III Gamma-Ray Bursts and Breakout Criteria for Accretion-Powered Jets
    Hiroki Nagakura, Yudai Suwa, Kunihito Ioka
    Astrophys. J., 754 (2011) 85 (arXiv:1104.5691 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1456
    Registration Date: 2011.5.6

  • KEK-Cosmo-69
  • Black hole solutions in string theory
    Kei-ichi Maeda, Masato Nozawa
    Prog. Theor. Phys. Suppl., 189 (2011) 310-350 (arXiv:1104.1849 [hep-th])

    Other preprint numbers: KEK-TH-1453
    Registration Date: 2011.4.12

  • KEK-Cosmo-68
  • Exact solutions of higher dimensional black holes
    Shinya Tomizawa, Hideki Ishihara
    Prog. Theor. Phys. Suppl., 189 (2011) 7-51 (arXiv:1104.1468 [hep-th])

    Other preprint numbers: KEK-TH-1450, OCU-PHYS-351, AP-GR-92
    Registration Date: 2011.4.11

  • KEK-Cosmo-67
  • Perturbations and Stability of Static Black Holes in Higher Dimensions
    Akihiro Ishibashi, Hideo Kodama
    Prog. Theor. Phys. Suppl., 189 (2011) 165-209 (arXiv:1103.6148 [hep-th])

    Other preprint numbers: KEK-TH-1448
    Registration Date: 2011.3.31

  • KEK-Cosmo-66
  • Gamma-Ray Burst without Baryonic and Magnetic Load?
    Kunihito Ioka, Yutaka Ohira, Norita Kawakana, Akira Mizuta
    Prog. Theor. Phys. 126 (2011) 555-564 (arXiv:1103.5746 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1447
    Registration Date: 2011.3.31

  • KEK-Cosmo-65
  • A Possible Origin of Rapid Variability of Gamma-Ray Bursts due to Convective Energy Transfer in Hyperaccretion Discs
    Norita Kawanaka, Kazunori Kohri
    Mon. Not. Roy. Astron. Soc., 419 (2011) 713-717 (arXiv:1103.4713 [astro-ph.HE])

    other preprint numbers: KEK-TH-1445
    Registration Date: 2011.3.31

  • KEK-Cosmo-64
  • Positron annihilation as a cosmic-ray probe
    Yutaka Ohira, Kohri Kazunori, Kawanaka Norita
    Mon. Not. Roy. Astron. Soc. Lett. 421 (2012) L102-L106 (arXiv:1103.4140 [astro-ph.HE])

    other preprint numbers: KEK-TH-1446
    Registration Date: 2011.3.25

  • KEK-Cosmo-63
  • On the waterfall behavior in hybrid inflation
    Hideo Kodama, Kazunori Kohri, Kazunori Nakayama
    Prog. Theor. Phys., 126 (2011) 331-350 (arXiv:1102.5612 [astro-ph.CO])

    other preprint numbers: KEK-TH-1428
    Registration Date: 2011.3.1

  • KEK-Cosmo-62
  • Magnetar Asteroseismology with Long-Term Gravitational Waves
    Kazumi Kashiyama, Kunihito Ioka
    Phys. Rev. D, 83 (2011) 081302 (arXiv:1102.4830 [astro-ph.HE])

    other preprint numbers: KEK-TH-1443
    Registration Date: 2011.3.1

  • KEK-Cosmo-61
  • Number-Theory Dark Matter
    K.Nakayama, F.Takahashi, T.T.Yanagida
    Phys. Lett. B, 699 (2011) 360-363 (arXiv:1102.4688 [hep-ph])

    Other preprint numbers: KEK-TH-1440, IPMU-11-0020, TU-878
    Registration Date: 2011.2.27

  • KEK-Cosmo-60
  • Cosmological constraints on dark matter models with velocity-dependent annihilation cross section
    J.Hisano, M.Kawasaki, K.Kohri, T.Moroi, K.Nakayama, T.Sekiguchi
    Phys. Rev. D, 83 (2011) 123511 (arXiv:1102.4658 [hep-ph])

    Other preprint numbers: KEK-TH-1442, ICRR-Report-580-2010-13, IPMU 11-0015, UT-11-05
    Registration Date: 2011.2.27

  • KEK-Cosmo-59
  • Black hole initial data in Gauss-Bonnet gravity: Momentarily static case
    Hirotaka Yoshino
    Phys. Rev. D, 83 (2011) 104010 (arXiv:1102.1810 [gr-qc])

    other preprint numbers: KEK-TH-1431
    Registration Date: 2011.2.10

  • KEK-Cosmo-58
  • The Gravitational Lensing Effect on the CMB Polarisation Anisotropy in the Lambda-LTB Model
    Hajime Goto, Hideo Kodama
    Prog. Theor. Phys., 125 (2011) 815-836 (arXiv:1101.0476 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1434
    Registration Date: 2011.1.5

  • KEK-Cosmo-57
  • Three-Dimensional Simulations of MHD Turbulence Behind Relativistic Shock Waves and Their Implications for GRBs
    Tsuyoshi Inoue, Katsuaki Asano, Kunihito Ioka
    Astrophys. J., 734 (2011) 77 (arXiv:1011.6350 [astro-ph])

    Other preprint numbers: KEK-TH-1427
    Registration Date: 2010.12.3

  • KEK-Cosmo-56
  • Cosmic ray helium hardening
    Yutaka Ohira, Kunihito Ioka
    Astrophys. J. Lett., 729 (2011) L13 (arXiv:1011.4405 [astro-ph.HE])

    Other preprint number: KEK-TH-1421
    Registration Date: 2010.11.22

  • KEK-Cosmo-55
  • A theory of extra radiation in the Universe
    K. Nakayama, F. Takahashi, T.T. Yanagida
    Phys. Lett. B, 697 (2011) 275-279 (arXiv:1010.5693 [hep-ph])

    Other preprint numbers: KEK-TH-1418, IPMU-10-0189
    Registration Date: 2010.11.18

  • KEK-Cosmo-54
  • General Analysis of Inflation in the Jordan Frame Supergravity
    Kazunori Nakayama, Fuminobu Takahashi
    J. Cosmo. Astropart. Phys., 11 (2010) 039 (arXiv:1009.3399 [hep-ph])

    Other preprint numbers: KEK-TH-1401
    Registration Date: 2010.10.1

  • KEK-Cosmo-53
  • Can Gamma-Ray Burst Jets Break Out the First Stars?
    Yudai Suwa, Kunihito Ioka
    Astrophys. J., 726 (2011) 107 (arXiv:1009.6001 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1413
    Registration Date: 2010.10.1

  • KEK-Cosmo-52
  • Compactified black holes in five-dimensional U(1)3 ungauged supergravity
    Shinya Tomizawa
    arXiv:1009.3568 [hep-th]

    Other preprint numbers: KEK-TH-1400
    Registration Date: 2010.9.19

  • KEK-Cosmo-51
  • Gamma rays from molecular clouds illuminated by cosmic rays escaping from interacting supernova remnants
    Yutaka Ohira, Kohta Murase, Ryo Yamazaki
    Mon. Not. Roy. Astron. Soc., 410 (2011) 1577 (arXiv: 1007.4869 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1393
    Registration Date: 2010.9.8

  • KEK-Cosmo-50
  • TeV Electron Spectrum for Probing Cosmic-Ray Escape
    Norita Kawanaka, Kunihito Ioka, Yutaka Ohira, Kazumi Kashiyama
    Astrophys. J., 729 (2011) 93 (arXiv:1009.1142 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1398
    Registration Date: 2010.9.8

  • KEK-Cosmo-49
  • White Dwarf Pulsars as Possible Cosmic Ray Electron-Positron Factories
    Kazumi Kashiyama, Kunihito Ioka, Norita Kawanaka
    Phys. Rev. D, 83 (2011) 023002 (arXiv:1009.1141 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1397
    Registration Date: 2010.9.8

  • KEK-Cosmo-48
  • Inflation from a Supersymmetric Axion Model
    Masahiro Kawasaki, Naoya Kitajima, Kazunori Nakayama
    Phys. Rev. D, 82 (2010) 123531 (arXiv:1008.5013 [hep-ph])

    Other preprint numbers: KEK-TH-1395, ICRR-Report-573, IPMU-10-0148
    Registration Date: 2010.8.31

  • KEK-Cosmo-47
  • Higgs Chaotic Inflation
    Kazunori Nakayama, Fuminobu Takahashi
    J. Cosmo. Astropart. Phys., 02 (2011) 010 (arXiv:1008.4457 [hep-ph])

    Other preprint numbers: KEK-TH-1394, IPMU-10-0145
    Registration Date: 2010.8.30

  • KEK-Cosmo-46
  • Running Kinetic Inflation
    Kazunori Nakayama, Fuminobu Takahashi
    J. Cosmo. Astropart. Phys., 11 (2010) 009 (arXiv:1008.2956 [hep-ph])

    Other preprint numbers: KEK-TH-1391, IPMU-10-0138
    Registration Date: 2010.8.21

  • KEK-Cosmo-45
  • Constraint on the gravitino mass in hybrid inflation
    Kazunori Nakayama, Fuminobu Takahashi, Tsutomu T. Yanagida
    J. Cosmo. Astropart. Phys., 12 (2010) 010 (arXiv:1007.5152 [hep-ph])

    Other preprint numbers: KEK-TH-1382, IPMU10-0127
    Registration Date: 2010.8.21

  • KEK-Cosmo-44
  • The gravitino problem in supersymmetric warm inflation
    J.C.B.Sanchez, M.Bastero-Gil, A.Berera, K.Dimopoulos, K.Kohri
    J. Cosmo. Astropart. Phys., 03 (2011) 020 (arXiv:1011.2398 [hep-ph])

    Other preprint numbers: KEK-TH-1387
    Registration Date: 2010.8.7

  • KEK-Cosmo-43
  • Hilltop Supernatural Inflation and Gravitino Problem
    Kazunori Kohri , Chia-Min Lin
    J. Cosmo. Astropart. Phys., 11 (2010) 010 (arXiv:1008.3200 [hep-ph])

    Other preprint numbers: KEK-TH-1386
    Registration Date: 2010.8.7

  • KEK-Cosmo-42
  • Affleck-Dine baryogenesis with modulated reheating
    Kohei Kamada, Kazunori Kohri, Shuichiro Yokoyama
    J. Cosmo. Astropart. Phys., 01 (2011) 027 (arXiv::1008.1450 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1385, RESCEU-19/10
    Registration Date: 2010.8.7

  • KEK-Cosmo-41
  • Uniqueness theorems for Kaluza-Klein black holes in five-dimensional minimal supergravity
    Shinya Tomizawa
    Phys. Rev. D, 82 (2010) 104047 (arXiv:1007.1183 [hep-th])

    Other preprint numbers: KEK-TH-1377
    Registration Date: 2010.7.8

  • KEK-Cosmo-40
  • Very High Lorentz Factor Fireballs and Gamma-Ray Burst Spectra
    Kunihito Ioka
    Prog. Theor. Phys., 124 (2010) 667-710 (arXiv:1006.3073 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1412
    Registration Date: 2010.7.8

  • KEK-Cosmo-39
  • Thermal Radiation from GRB Jets
    Akira Mizuta, Shigehiro Nagataki, Junichi Aoi
    Astrophys. J. 732 (2011) 26 (arXiv:1006.2440 [astro-ph.HE])

    Other preprint numbers:
    Registration Date: 2010.7.8

  • KEK-Cosmo-38
  • Analytic formulae for the off-center CMB anisotropy in a general spherically symmetric universe
    Hideo Kodama, Keiki Saito, Akihiro Ishibashi
    Prog. Theor. Phys., 124 (2010) 163-180 (arXiv:1004.3089 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1358
    Registration Date: 2010.4.20

  • KEK-Cosmo-37
  • Analytic formulae for CMB anisotropy in LTB cosmology
    Keiki Saito, Akihiro Ishibashi, Hideo Kodama
    Proceedings of JGRG19 (arXiv:1002.3855 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1353
    Registration Date: 2010.2.22

  • KEK-Cosmo-36
  • Gravitational Lensing Effects in the LTB Model
    Hajime Goto, Hideo Kodama
    Proceedings of JGRG19 (arXiv:1002.3161 [astro-ph.CO])

    Other preprint numbers: KEK-TH-1351
    Registration Date: 2010.2.16

  • KEK-Cosmo-35
  • Further restrictions on the topology of stationary black holes in five dimensions
    Stefan Hollands, Jan Holland, Akihiro Ishibashi
    Annales Henri Poincaré, 12 (2011) 279-301 (arXiv:1002.0490 [gr-qc])

    Other preprint numbers: KEK-TH-1350
    Registration Date: 2010.2.8

  • KEK-Cosmo-34
  • Uniqueness theorem for charged dipole rings in five-dimensional minimal supergravity
    Shinya Tomizawa, Yukinori Yasui, Akihiro Ishibashi
    Phys. Rev. D, 81 (2010) 084037 (arXiv:0911.4309 [hep-th])

    Other preprint numbers: KEK-TH-1340
    Registration Date: 2009.11.26

  • KEK-Cosmo-33
  • High-energy emission as a test of the prior emission model for gamma-ray burst afterglows
    Kohta Murase, Kenji Toma, Ryo Yamazaki, Shigehiro Nagataki, Kunihito Ioka
    Mon. Not. Roy. Astron. Soc., 402 (2010) L54 (arXiv:0910.0232 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1411
    Registration Date: 2009.11.26

  • KEK-Cosmo-32
  • All vacuum near horizon geometries in arbitrary dimensions
    Stefan Hollands, Akihiro Ishibashi
    Annales Henri Poincaré, 10 (2010) 1537-1557 (arXiv:0909.3462 [gr-qc])

    Other preprint numbers:
    Registration Date: 2009.11.26

  • KEK-Cosmo-31
  • Topology Changing Process of Coalescing Black Holes on Eguchi-Hanson Space
    Masashi Kimura, Hideki Ishihara, Shinya Tomizawa, Chul-Moon Yoo
    Phys. Rev. D, 80 (2009) 064030 (arXiv:0906.4681 [gr-qc])

    Other preprint numbers: KEK-TH-1320, OCU-PHYS 315, AP-GR 67, APCTP-Pre2009-007
    Registration Date: 2009.6.26

  • KEK-Cosmo-30
  • Graviton Emission in the Bulk by a Simply Rotating Black Hole
    P. Kanti, H. Kodama, R.A. Konoplya, N. Pappas, A. Zhidenko
    Phys. Rev. D, 80 (2009) 084016 (arXiv: 0906.3845 [hep-th])

    Other preprint numbers: KEK-TH-1319
    Registration Date: 2009.6.23

  • KEK-Cosmo-29
  • Can we probe the Lorentz factor of gamma-ray bursts from GeV-TeV spectra integrated over internal shocks?
    Junichi Aoi, Kohta Murase, Keitaro Takahashi, Kunihito Ioka, Shigehiro Nagataki
    Astrophys. J., 722 (2010) 440-451 (arXiv:0904.4878 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1410, YITP-09-34
    Registration Date: 2009.6.23

  • KEK-Cosmo-28
  • Coset for Hopf fibration and Squashing
    Machiko Hatsuda, Shinya Tomizawa
    Class. Quant. Grav., 26 (2009) 225007 (arXiv:0906.1025 [hep-th])

    Other preprint numbers: KEK-TH-1314
    Registration Date: 2009.6.5

  • KEK-Cosmo-27
  • Spherically symmetric black holes in minimally modified self-dual gravity
    Akihiro Ishibashi, Simone Speziale
    Class. Quant. Grav., 26 (2009) 175005 (arXiv:0904.3914 [gr-qc])

    Other preprint numbers:
    Registration Date: 2009.4.27

  • KEK-Cosmo-26
  • Gravitational stability of simply rotating Myers-Perry black holes: tensorial perturbations
    Hideo Kodama, Roman A. Konoplya, Alexander Zhidenko
    Phys. Rev. D., 81 (2010) 044007 (arXiv: 0904.2154 [gr-qc])

    Other preprint numbers: KEK-TH1310
    Registration Date: 2009.4.17

  • KEK-Cosmo-25
  • Is Cosmic Ray Electron Excess from Pulsars Spiky or Smooth?: Continuous and Multiple Electron/Positron injections
    N. Kawanaka, K. Ioka, M.M. Nojiri
    Astrophys. J., 710 (2010) 958-963 (arXiv: 0903.3782 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1409
    Registration Date: 2009.3.31

  • KEK-Cosmo-24
  • Is the PAMELA anomaly caused by the supernova explosions near the Earth?
    Y. Fujita, K. Kohri, R. Yamazaki, K. Ioka
    Phys. Rev. D, 80 (2009) 063003 (arXiv: 0903.5298 [astro-ph.HE])

    Other preprint numbers: KEK-TH-1408, OU-TAP-295
    Registration Date: 2009.3.31

  • KEK-Cosmo-23
  • A uniqueness theorem for charged rotating black holes in five-dimensional minimal supergravity
    Shinya Tomizawa, Yukinori Yasui, Akihiro Ishibashi
    Phys. Rev. D, 79 (2009) 124023 (arXiv:0901.4724 [hep-th])

    Other preprint numbers: KEK-TH-1300, OCU-PHYS-310
    Registration Date: 2009.1.30

  • KEK-Cosmo-22
  • Repulsons in the 5D Myers-Perry Family
    Hideo Kodama
    Proc. of JGRG18 (arXiv:0901.3881 [hep-th])

    Other preprint numbers:
    Registration Date: 2009.1.30

  • KEK-Cosmo-21
  • Repulsons in the Myers-Perry Family
    Gary Gibbons, Hideo Kodama
    Prog. Theor. Phys., 121 (2009) 1361-1379 (arXiv:0901.1203 [hep-th])

    Other preprint numbers: KEK-TH-1297
    Registration Date: 2009.1.9

  • KEK-Cosmo-20
  • Hypernova and Gamma-Ray Burst Remnants as TeV Unidentified Sources
    Kunihito Ioka, Peter Meszaros
    Astrophys. J., 709 (2010) 1337-1342 (arXiv:0901.0744 [astro-ph])

    Other preprint numbers: KEK-TH-1407
    Registration Date: 2009.1.9

  • KEK-Cosmo-19
  • A Gamma-Ray Burst/Pulsar for Cosmic-Ray Positrons with a Dark Matter-like Spectrum
    Kunihito Ioka
    Prog. Theor. Phys., 123 (2010) 743-755 (arXiv:0812.4851 [astro-ph])

    Other preprint numbers: KEK-TH-1406
    Registration Date: 2009.1.9

  • KEK-Cosmo-18
  • Time-Evolution of Peak Energy and Luminosity Relation within Pulses for GRB 061007: Probing Fireball Dynamics
    Masanori Ohno, Kunihito Ioka, Kazutaka Yamaoka, Makoto Tashiro, Yasushi Fukazawa, Yujin E. Nakagawa
    Publ. Astron. Soc. Japan, 61 (2009) 201-211 (arXiv:0812.3737 [astro-ph])

    Other preprint numbers: KEK-TH-1404
    Registration Date: 2009.1.9

  • KEK-Cosmo-17
  • Statistical Properties of Gamma-Ray Burst Polarization
    Kenji Toma, Takanori Sakamoto, Bing Zhang, Joanne E. Hill, Mark L. McConnell, Peter F. Bloser, Ryo Yamazaki, Kunihito Ioka, Takashi Nakamura
    Astrophys. J., 698 (2009) 1042-1053 (arXiv:0812.2483 [astro-ph])

    Other preprint numbers: KEK-TH-1405
    Registration Date: 2009.1.9

  • KEK-Cosmo-16
  • Gravitational instability of simply rotating Myers-Perry-AdS black holes
    Hideo Kodama, R. A. Konoplya, Alexander Zhidenko
    Phys. Rev. D. 79 (2009) 044003 (arXiv:0812.0445 [hep-th])

    Other preprint numbers: KEK-TH-1290
    Registration Date: 2008.12.3

  • KEK-Cosmo-15
  • Charged Rotating Kaluza-Klein Black Holes Generated by G2(2) Transformation
    Sinya Tomizawa, Yukinori Yasui, Yoshiyuki Morisawa
    Class. Quant. Grav., 26 (2009) 145006 (arXiv:0809.2001 [hep-th])

    Other preprint numbers: KEK-TH-1276, OCU-PHYS-304
    Registration Date: 2008.10.15

  • KEK-Cosmo-14
  • Charged Black Holes in a Rotating Gross-Perry-Sorkin Monopole Background
    Shinya Tomizawa, Akihiro Ishibashi
    Class. Quant. Grav., 25 (2008) 245007 (arXiv:0807.1564 [hep-th])

    Other preprint numbers: KEK-TH-1261
    Registration Date: 2008.10.15

  • KEK-Cosmo-13
  • POET: POlarimeters for Energetic Transients
    J.E. Hill, M.L. McConnell, P. Bloser, J. Legere, J. Macri, J. Ryan,S. Barthelmy, L. Angelini, T. Sakamoto, J.K. Black, D.H. Hartmann, P., Kaaret, B. Zhang, K. Ioka, T. Nakamura, K. Toma, R. Yamazaki, X. Wu
    AIP Conf. Proc. 1065 (2008) 331-337 (arXiv:0810.2499 [astro-ph])

    Other preprint numbers:
    Registration Date: 2008.10.5

  • KEK-Cosmo-12
  • On the `Stationary Implies Axisymmetric' Theorem for Extremal Black Holes in Higher Dimensions
    Stefan Hollands and Akihiro Ishibashi
    Commun. Math. Phys., 291 (2009) 403-441 (arXiv:0809.2659 [gr-qc])

    Other preprint numbers:
    Registration Date: 2008.9.17

  • KEK-Cosmo-11
  • Rotating Kaluza-Klein Multi-Black Holes with Godel Parameter
    Ken Matsuno, Hideki Ishihara, Toshiharu Nakagawa, Shinya Tomizawa
    Phys. Rev. D, 78 (2008) 064016 (arXiv:0806.3316 [hep-th])

    Other preprint numbers: KEK-TH-1255
    Registration Date: 2008.6.20

  • KEK-Cosmo-10
  • Possible discovery of a nonlinear tail and second-order quasinormal modes in black hole ringdown
    Satoshi Okuzumi, Kunihito Ioka, Masa-aki Sakagami
    Phys. Rev. D, 77 (2008) 124018 (arXiv:0803.0501 [gr-qc])

    Other preprint numbers:
    Registration Date: 2008.6.19

  • KEK-Cosmo-9
  • Accelerating a Black Hole in Higher Dimensions
    Hideo Kodama
    Prog. Theor. Phys., 120 (2008) 371-411 (arXiv:0804.3839 [hep-th])

    Other preprint numbers: KEK-TH-1248
    Registration Date: 2008.4.24

  • KEK-Cosmo-8
  • High-energy cosmic-ray nuclei from high- and low-luminosity gamma-ray bursts and implications for multi-messenger astronomy
    Kohta Murase, Kunihito Ioka, Shigehiro Nagataki, Takashi Nakamura
    Phys. Rev. D, 78 (2008) 023005 (arXiv:0801.2861 [astro-ph])

    Other preprint numbers: KEK-TH-1228, YITP-08-104
    Registration Date: 2008.2.8

  • KEK-Cosmo-7
  • Probing the Efficiency of Electron-Proton Coupling in Relativistic Collisionless Shocks through the Radio Polarimetry of Gamma-Ray Burst Afterglows
    Kenji Toma, Kunihito Ioka, Takashi Nakamura
    Astrophys. J., 673 (2008) L123-L126 (arXiv:0709.3332 [astro-ph])

    Other preprint numbers: KEK-TH-1227
    Registration Date: 2008.2.8

  • KEK-Cosmo-6
  • Unstable GRB Photospheres and e± Annihilation
    Kunihito Ioka, Kohta Murase, Kenji Toma, Shigehiro Nagataki, Takashi Nakamura
    Astrophys. J., 670 (2007) L77-L80 (arXiv:0708.1249 [astro-ph])

    Other preprint numbers: KEK-TH-1226
    Registration Date: 2008.2.8

  • KEK-Cosmo-5
  • Gravitational energy in higher dimensions --- Asymptotically flat case ---
    Akihiro Ishibashi
    Proc. JGRG17 (2007) 281

    Other preprint numbers: KEK-TH-1215
    Registration Date: 2007.12.31

  • KEK-Cosmo-4
  • Symmetry properties of black holes in higher dimensional general relativity
    Akihiro Ishibashi
    Prog. Theor. Phys. Suppl., 172 (2008) 202-209

    Other preprint numbers: KEK-TH-1214
    Registration Date: 2007.12.31

  • KEK-Cosmo-3
  • Higher Dimensional Bondi Energy with a Globally Specified Background Structure
    Akihiro Ishibashi
    Class. Quant. Grav., 25 (2008) 165004 (arXiv:0712.4348 [gr-qc])

    Other preprint numbers: KEK-TH-1213
    Registration Date: 2007.12.31

  • KEK-Cosmo-2
  • Perturbations and Stability of Black Holes
    Hideo Kodama
    Lect. Notes Phys., 769 (2009) 427-470 (arXiv:0712.2703 [hep-th])

    Other preprint numbers: KEK-TH-1212
    Registration Date: 2007.12.17

  • KEK-Cosmo-1
  • Superradiance and Instability of Black Holes
    Hideo Kodama
    Prog. Theor. Phys. Suppl., 172 (2008) 11-20 (arXiv:0711.4184 [hep-th])

    Other preprint numbers: KEK-TH-1206
    Registration Date: 2007.11.27