Study of electron anti-neutrinos associated with gamma-ray bursts using KamLAND

Kiyotaka Asakura,A Gando,Y Gando,T Hachiya, S Hayashida, Hideki Ikeda,Ken Inoue,K Ishidoshiro, T Ishikawa,Shunji Ishio,M Koga,Shinya Matsuda,T Mitsui, D Motoki, Keishi Nakamura,Satoshi Obara,Yuji Oki, Takashi Oura,Ikuo Shimizu, Y Shirahata,J Shirai, A Suzuki,Hirofumi Tachibana,K Tamae, K Ueshima,Hirofumi Watanabe,B D Xu,Hiroshi Yoshida,A Kozlov,Yasuhiko Takemoto,Satoru Yoshida,K Fushimi,A Piepke,Tom Banks,B E Berger, T W Odonnell,B K Fujikawa,J Maricic,J G Learned,Masaharu Sakai,L A Winslow,Y V Efremenko,H J Karwowski,D M Markoff, W Tornow,J A Detwiler,Soichiro Enomoto,M P Decowski

ASTROPHYSICAL JOURNAL（2015）

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摘要

We search for electron anti-neutrinos ((V) over bar (e)) from long- and short-duration gamma-ray bursts (GRBs) using data taken by the Kamioka Liquid Scintillator Anti-Neutrino Detector (KamLAND) from 2002 August to 2013 June. No statistically significant excess over the background level is found. We place the tightest upper limits on (V) over bar (e) fluence from GRBs below 7 MeV and place first constraints on the relation between (V) over bar (e) luminosity and effective temperature.

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关键词

gamma-ray burst: general,neutrinos

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