Hamid Hamidani, Masaomi Tanaka, Shigeo S. Kimura, Gavin P. Lamb, Kyohei Kawaguchi. GRB 211211A: The Case for an Engine-powered over r-process-powered Blue Kilonova. The Astrophysical Journal Letters. 2024. 971. 2. L30-L30
Masaomi Tanaka, Nanae Domoto, Wako Aoki, Miho N. Ishigaki, Shinya Wanajo, Kenta Hotokezaka, Kyohei Kawaguchi, Daiji Kato, Jae-Joon Lee, Ho-Gyu Lee, et al. Cerium Features in Kilonova Near-infrared Spectra: Implication from a Chemically Peculiar Star. The Astrophysical Journal. 2023. 953. 1. 17-17
Nanae Domoto, Masaomi Tanaka, Daiji Kato, Kyohei Kawaguchi, Kenta Hotokezaka, Shinya Wanajo. Lanthanide Features in Near-infrared Spectra of Kilonovae. The Astrophysical Journal. 2022. 939. 1. 8-8
Reetika Dudi, Ananya Adhikari, Bernd Brügmann, Tim Dietrich, Kota Hayashi, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata, Wolfgang Tichy. Investigating GW190425 with numerical-relativity simulations. Physical Review D. 2022. 106. 8
Smaranika Banerjee, Masaomi Tanaka, Daiji Kato, Gediminas Gaigalas, Kyohei Kawaguchi, Nanae Domoto. Opacity of the Highly Ionized Lanthanides and the Effect on the Early Kilonova. The Astrophysical Journal. 2022. 934. 2. 117-117
Kyohei Kawaguchi, Sho Fujibayashi, Masaru Shibata. A Monte-Carlo based relativistic radiation hydrodynamics code with a higher-order scheme. 2022
Kota Hayashi, Kyohei Kawaguchi, Kenta Kiuchi, Koutarou Kyutoku, Masaru Shibata. Properties of the remnant disk and the dynamical ejecta produced in low-mass black hole-neutron star mergers. 2020
Koutarou Kyutoku, Kyohei Kawaguchi, Kenta Kiuchi, Masaru Shibata, Keisuke Taniguchi. Reducing orbital eccentricity in initial data of black hole--neutron star binaries in the puncture framework. 2020
Kyohei Kawaguchi, Koutarou Kyutoku, Hiroyuki Nakano, Masaru Shibata. Extracting the cutoff frequency in the gravitational-wave spectrum of black hole-neutron star mergers. 2017