Publications (105)
Allowed slepton intergenerational mixing in light of light element abundances
Kazunori Kohri, Shingo Ohta, Joe Sato +2
Precise Measurements of Primordial Power Spectrum with 21 cm Fluctuations
Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi +1
Modulated decay in the multi-component Universe
Seishi Enomoto, Kazunori Kohri, Tomohiro Matsuda
Cosmological Constant Problem and Renormalized Vacuum Energy Density in Curved Background
Kazunori Kohri, Hiroki Matsui
Probing Lepton Asymmetry with 21 cm Fluctuations
Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi +1
X-Ray Observation of Very High Energy Gamma-Ray Source, HESS J1745-303, with Suzaku
Aya Bamba, Ryo Yamazaki, Kazunori Kohri +4
Hadronic decay of the gravitino in the early universe and its implications to inflation
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi
Big-bang nucleosynthesis and the relic abundance of dark matter in a stau-neutralino coannihilation scenario
Toshifumi Jittoh, Kazunori Kohri, Masafumi Koike +3
Possible solution to the $^7$Li problem by the long lived stau
Toshifumi Jittoh, Kazunori Kohri, Masafumi Koike +3
Can we explain AMS-02 antiproton and positron excesses simultaneously by nearby supernovae without pulsars nor dark matter?
Kazunori Kohri, Kunihito Ioka, Yutaka Fujita +1
Hilltop Supernatural Inflation and SUSY Unified Models
Kazunori Kohri, C. S. Lim, Chia-Min Lin +1
Dynamical fine-tuning of initial conditions for small field inflations
Satoshi Iso, Kazunori Kohri, Kengo Shimada
Big-Bang Nucleosynthesis with Unstable Gravitino and Upper Bound on the Reheating Temperature
Kazunori Kohri, Takeo Moroi, Akira Yotsuyanagi
Revisiting Big-Bang Nucleosynthesis Constraints on Dark-Matter Annihilation
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi +1
Small Field Coleman-Weinberg Inflation driven by Fermion Condensate
Satoshi Iso, Kazunori Kohri, Kengo Shimada
What we can learn from the spectral index of the tensor mode
Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
The hybrid curvaton
Konstantinos Dimopoulos, Kazunori Kohri, Tomohiro Matsuda
Quintessence Cosmology and Varying $α$
Takeshi Chiba, Kazunori Kohri
Superheavy dark matter and IceCube neutrino signals:bounds on decaying dark matter
Carsten Rott, Kazunori Kohri, Seong Chan Park
Distinguishing between Extra Natural Inflation and Natural Inflation after BICEP2
Kazunori Kohri, C. S. Lim, Chia-Min Lin
Is the PAMELA anomaly caused by the supernova explosions near the Earth?
Yutaka Fujita, Kazunori Kohri, Ryo Yamazaki +1
On the waterfall behavior in hybrid inflation
Hideo Kodama, Kazunori Kohri, Kazunori Nakayama
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 +1
Big-Bang Nucleosynthesis with Long-Lived Charged Slepton
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi
Nonthermal Emission Associated with Strong AGN Outbursts at the Centers of Galaxy Clusters
Yutaka Fujita, Kazunori Kohri, Ryo Yamazaki +1
Discovery of Extended X-Ray emission from the unidentified TeV source HESS J1614-518 using the Suzaku Satellite
Hironori Matsumoto, Hideki Uchiyama, Makoto Sawada +8
Big Bang Nucleosynthesis with Long Lived Charged Massive Particles
Kazunori Kohri, Fumihiro Takayama
More hilltop inflation models
Kazunori Kohri, Chia-Min Lin, David H. Lyth
Axion-Like Particles and Recent Observations of the Cosmic Infrared Background Radiation
Kazunori Kohri, Hideo Kodama
Ambiguity in running spectral index with an extra light field during inflation
Kazunori Kohri, Tomohiro Matsuda
New cosmological constraints on primordial black holes
B. J. Carr, Kazunori Kohri, Yuuiti Sendouda +1
Cosmological Constraints on Neutrino Injection
Toru Kanzaki, Masahiro Kawasaki, Kazunori Kohri +1
Black hole formation and slow-roll inflation
Kazunori Kohri, David H. Lyth, Alessandro Melchiorri
Neutralino Dark Matter from Heavy Gravitino Decay
Kazunori Kohri, Masahiro Yamaguchi, Jun'ichi Yokoyama
A unified model for the time variability of the Crab: the dispersion measure variation and the $γ$-ray flare of the nebula
Nagisa Hiroshima, Kazunori Kohri
Detecting the relic gravitational wave from the electroweak phase transition at SKA
Yohei Kikuta, Kazunori Kohri, Eunseong So
Positron/Gamma-Ray Signatures of Dark Matter Annihilation and Big-Bang Nucleosynthesis
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +1
Sub-GeV galactic cosmic-ray antiprotons from primordial black holes in the Randall-Sundrum braneworld
Yuuiti Sendouda, Kazunori Kohri, Shigehiro Nagataki +1
Phenomenology of Gravitational Aether as a solution to the Old Cosmological Constant Problem
Siavash Aslanbeigi, Georg Robbers, Brendan Z. Foster +2
Constraining the co-genesis of Visible and Dark Matter with AMS-02 and Xenon-100
Kazunori Kohri, Narendra Sahu
Probing Unified Origin of Dark Matter and Baryon Asymmetry at PAMELA/Fermi
Kazunori Kohri, Anupam Mazumdar, Narendra Sahu +1
Observable induced gravitational waves from an early matter phase
Laila Alabidi, Kazunori Kohri, Misao Sasaki +1
Observable Spectra of Induced Gravitational Waves from Inflation
Laila Alabidi, Kazunori Kohri, Misao Sasaki +1
Cosmology with Long-Lived Charged Massive Particles
Kazunori Kohri, Tomo Takahashi
Determination of neutrino mass hierarchy by 21 cm line and CMB B-mode polarization observations
Yoshihiko Oyama, Akie Shimizu, Kazunori Kohri
Constraints on the neutrino parameters by future cosmological 21cm line and precise CMB polarization observations
Yoshihiko Oyama, Kazunori Kohri, Masashi Hazumi
Possible Origin of Rapid Variability of Gamma-Ray Bursts due to Convective Energy Transfer in Hyperaccretion Disks
Norita Kawanaka, Kazunori Kohri
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
Production and dilution of gravitinos by modulus decay
Kazunori Kohri, Masahiro Yamaguchi, Jun'ichi Yokoyama
Multi-dimensional Treatment of Photon Emission from Accretion Disks around Black Holes
Kazunori Kohri, Ken Ohsuga, Ramesh Narayan
Cosmic Rays from Dark Matter Annihilation and Big-Bang Nucleosynthesis
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +2
Cosmological scenario of stop NLSP with gravitino LSP and the cosmic lithium problem
Kazunori Kohri, Yudi Santoso
Big-bang nucleosynthesis with a long-lived CHAMP including He4 spallation process
Toshifumi Jittoh, Kazunori Kohri, Masafumi Koike +4
Big-Bang Nucleosynthesis and Hadronic Decay of Long-Lived Massive Particles
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi
Neutrino-Dominated Accretion and Supernovae
Kazunori Kohri, Ramesh Narayan, Tsvi Piran
Higgs vacuum metastability in primordial inflation, preheating, and reheating
Kazunori Kohri, Hiroki Matsui
Right-handed sneutrino dark matter and big-bang nucleosynthesis
Koji Ishiwata, Masahiro Kawasaki, Kazunori Kohri +1
Primordial Black Holes from the inflating curvaton
Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
Constraints on long-lived electrically charged massive particles from anomalous strong lens systems
Ayuki Kamada, Kaiki Taro Inoue, Kazunori Kohri +1
Preheating and the non-gaussianity of the curvature perturbation
Kazunori Kohri, David H. Lyth, Cesar A. Valenzuela-Toledo
130GeV gamma-ray line through axion conversion
Masato Yamanaka, Kazunori Kohri, Kunihito Ioka +1
Evolution of Synchrotron X-rays in Supernova Remnants
Ryoko Nakamura, Aya Bamba, Tadayasu Dotani +3
Upper limit on the mass of RX J1856.5--3754 as a possible quark star
Kazunori Kohri, Kei Iida, Katsuhiko Sato
Big-Bang Nucleosynthesis and Gravitino
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi +1
Cosmological Constraints on Gravitino LSP Scenario with Sneutrino NLSP
Toru Kanzaki, Masahiro Kawasaki, Kazunori Kohri +1
Long Lived Charged Massive Particles and Big Bang Nucleosynthesis
Kazunori Kohri, Fumihiro Takayama
Effects of electrically charged dark matter on cosmic microwave background anisotropies
Ayuki Kamada, Kazunori Kohri, Tomo Takahashi +1
Diffuse gamma-ray background and cosmic-ray positrons from annihilating dark matter
Masahiro Kawasaki, Kazunori Kohri, Kazunori Nakayama
Consistency Relations for Large Field Inflation: Non-minimal Coupling
Takeshi Chiba, Kazunori Kohri
Gamma-ray spectrum of RX J1713.7-3946 in the Fermi era and future detection of neutrinos
Ryo Yamazaki, Kazunori Kohri, Hideaki Katagiri
On the stability of Dark Energy with Mass-Varying Neutrinos
Niayesh Afshordi, Matias Zaldarriaga, Kazunori Kohri
Non-Gaussianity in the inflating curvaton
Seishi Enomoto, Kazunori Kohri, Tomohiro Matsuda
TeV Gamma-Rays from Old Supernova Remnants
Ryo Yamazaki, Kazunori Kohri, Aya Bamba +3
Gamma-ray flare and absorption in Crab Nebula: Lovely TeV-PeV astrophysics
Kazunori Kohri, Yutaka Ohira, Kunihito Ioka
The inflating curvaton
Konstantinos Dimopoulos, Kazunori Kohri, David H. Lyth +1
Neutrino Signals from Annihilating/Decaying Dark Matter in the Light of Recent Measurements of Cosmic Ray Electron/Positron Fluxes
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +1
Cosmic Ray Anomalies and Dark Matter Annihilation to Muons via a Higgs Portal Hidden Sector
Kazunori Kohri, John McDonald, Narendra Sahu
Supernova Cosmology and the Fine Structure Constant
Takeshi Chiba, Kazunori Kohri
Can neutrino-cooled accretion disk be an origin of gamma-ray bursts?
Kazunori Kohri, Shin Mineshige
Consistency Relations for Large Field Inflation
Takeshi Chiba, Kazunori Kohri
Threshold of primordial black hole formation
Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri
The gravitino problem in supersymmetric warm inflation
Juan C. Bueno Sanchez, Mar Bastero-Gil, Arjun Berera +2
X-ray Spectroscopy of the Mixed Morphology Supernova Remnant W28 with XMM-Newton
Ryoko Nakamura, Aya Bamba, Manabu Ishida +6
Reinterpretation of the Starobinsky model
Takehiko Asaka, Satoshi Iso, Hikaru Kawai +3
Elucidating Dark Energy with Future 21 cm Observations at the Epoch of Reionization
Kazunori Kohri, Yoshihiko Oyama, Toyokazu Sekiguchi +1
Delta-N Formalism for Curvaton with Modulated Decay
Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
Big-bang nucleosynthesis through bound-state effects with a long-lived slepton in the NMSSM
Kazunori Kohri, Masafumi Koike, Yasufumi Konishi +5
Hadronic Decay of Late-Decaying Particles and Big-Bang Nucleosynthesis
Masahiro Kawasaki, Kazunori Kohri, Takeo Moroi
Flaxino dark matter and stau decay
Eung Jin Chun, Hang Bae Kim, Kazunori Kohri +1
Can decaying particle explain cosmic infrared background excess?
Kazunori Kohri, Takeo Moroi, Kazunori Nakayama
Solving the cosmic lithium problems with primordial late-decaying particles
Daniel Cumberbatch, Kazuhide Ichikawa, Masahiro Kawasaki +3
Restricting quark matter models by gravitational wave observation
Hajime Sotani, Kazunori Kohri, Tomohiro Harada
Constraints on primordial black holes from Galactic gamma-ray background
B. J. Carr, Kazunori Kohri, Yuuiti Sendouda +1
Scale-dependent CMB asymmetry from primordial configuration
Kazunori Kohri, Chia-Min Lin, Tomohiro Matsuda
Multi-field effects in a simple extension of $R^2$ inflation
Taro Mori, Kazunori Kohri, Jonathan White
Inflation, baryogenesis and gravitino dark matter at ultra low reheat temperatures
Kazunori Kohri, Anupam Mazumdar, Narendra Sahu
Affleck-Dine baryogenesis with modulated reheating
Kohei Kamada, Kazunori Kohri, Shuichiro Yokoyama
Generating Primordial Black Holes Via Hilltop-Type Inflation Models
Laila Alabidi, Kazunori Kohri
Electroweak Vacuum Instability and Renormalized Higgs Field Vacuum Fluctuations in the Inflationary Universe
Kazunori Kohri, Hiroki Matsui
Cosmological constraints on dark matter models with velocity-dependent annihilation cross section
Junji Hisano, Masahiro Kawasaki, Kazunori Kohri +3