Search For Low-Energy Electron Antineutrinos In Kamland Associated With Gravitational Wave Events

S. Abe, S. Asami,A. Gando,Y. Gando, T. Gima,A. Goto,T. Hachiya,K. Hata, S. Hayashida,K. Hosokawa,K. Ichimura,S. Ieki, H. Ikeda,K. Inoue,K. Ishidoshiro,Y. Kamei,N. Kawada,Y. Kishimoto, T. Kinoshita,M. Koga,N. Maemura,T. Mitsui,H. Miyake, K. Nakamura,R. Nakamura, H. Ozaki,T. Sakai, H. Sambonsugi,I. Shimizu,J. Shirai,K. Shiraishi,A. Suzuki,Y. Suzuki,A. Takeuchi,K. Tamae, K. Ueshima,Y. Wada,H. Watanabe, Y. Yoshida,S. Obara,A. Kozlov,D. Chernyak, Y. Takemoto, S. Yoshida,S. Umehara,K. Fushimi,A. K. Ichikawa, K. Z. Nakamura, M. Yoshida,B. E. Berger,B. K. Fujikawa,J. G. Learned,J. Maricic,S. Axani,L. A. Winslow,Z. Fu,J. Ouellet,Y. Efremenko,H. J. Karwowski,D. M. Markoff, W. Tornow,A. Li,J. A. Detwiler,S. Enomoto,M. P. Decowski,C. Grant,T. O'Donnell,S. Dell'Oro

ASTROPHYSICAL JOURNAL（2021）

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摘要

We present the results of a search for MeV-scale electron antineutrino events in KamLAND coincident with the 60 gravitational wave events/candidates reported by the LIGO/Virgo collaboration during their second and third observing runs. We find no significant coincident signals within a 500 s timing window from each gravitational wave and present 90% C.L. upper limits on the electron antineutrino fluence between 10(8) and 10(13) cm(-2) for neutrino energies in the energy range of 1.8-111 MeV.

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关键词

Neutrino astronomy, Gravitational waves

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