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

K. Asakura , A. Gando , Y. Gando , T. Hachiya , S. Hayashida , H. Ikeda , K. Inoue , K. Ishidoshiro

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T. Ishikawa S. Ishio M. Koga S. Matsuda T. Mitsui D. Motoki K. Nakamura S. Obara Y. Oki T. Oura I. Shimizu Y. Shirahata J. Shirai A. Suzuki H. Tachibana K. Tamae K. Ueshima H. Watanabe B.D. Xu H. Yoshida A. Kozlov Y. Takemoto S. Yoshida K. Fushimi A. Piepke T. I. Banks B. E. Berger T. O'Donnell B.K. Fujikawa J. Maricic J.G. Learned M. Sakai L. A. Winslow Y. Efremenko H. J. Karwowski D. M. Markoff W. Tornow J. A. Detwiler S. Enomoto M.P. Decowski

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classification 🌌 astro-ph.HE hep-ex

keywords overlineanti-neutrinosburstselectrongamma-raygrbskamlandplace

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We search for electron anti-neutrinos ($\overline{\nu}_e$) from long and short-duration gamma-ray bursts~(GRBs) using data taken by the KamLAND detector from August 2002 to June 2013. No statistically significant excess over the background level is found. We place the tightest upper limits on $\overline{\nu}_e$ fluence from GRBs below 7 MeV and place first constraints on the relation between $\overline{\nu}_e$ luminosity and effective temperature.

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

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