Real-Time Supernova Neutrino Burst Monitor at Super-Kamiokande

K. Abe , Y. Haga , Y. Hayato , M. Ikeda , K. Iyogi , J. Kameda , Y. Kishimoto , M. Miura

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S. Moriyama M. Nakahata Y. Nakano S. Nakayama H. Sekiya M. Shiozawa Y. Suzuki A. Takeda H. Tanaka T. Tomura K. Ueno R. A. Wendell T. Yokozawa T. Irvine T. Kajita I. Kametani K. Kaneyuki K. P. Lee T. McLachlan Y. Nishimura E. Richard K. Okumura L. Labarga P. Fernandez S. Berkman H. A. Tanaka S. Tobayama J. Gustafson E. Kearns J. L. Raaf J. L. Stone L. R. Sulak M. Goldhaber G. Carminati W. R. Kropp S. Mine P. Weatherly A. Renshaw M. B. Smy H. W. Sobel V. Takhistov K. S. Ganezer B. L. Hartfiel J. Hill W. E. Keig N. Hong J. Y. Kim I. T. Lim T. Akiri A. Himmel K. Scholberg C. W. Walter T. Wongjirad T. Ishizuka S. Tasaka J. S. Jang J. G. Learned S. Matsuno S. N. Smith T. Hasegawa T. Ishida T. Ishii T. Kobayashi T. Nakadaira K. Nakamura Y. Oyama K. Sakashita T. Sekiguchi T. Tsukamoto A. T. Suzuki Y. Takeuchi C. Bronner S. Hirota K. Huang K. Ieki T. Kikawa A. Minamino A. Murakami T. Nakaya K. Suzuki S. Takahashi K. Tateishi Y. Fukuda K. Choi Y. Itow G. Mitsuka P. Mijakowski J. Hignight J. Imber C. K. Jung C. Yanagisawa M. J. Wilking H. Ishino A. Kibayashi Y. Koshio T. Mori M. Sakuda R. Yamaguchi T. Yano Y. Kuno R. Tacik S. B. Kim H. Okazawa Y. Choi K. Nishijima M. Koshiba Y. Suda Y. Totsuka M. Yokoyama K. Martens Ll. Marti M. R. Vagins J. F. Martin P. de Perio A. Konaka S. Chen Y. Zhang K. Connolly R. J. Wilkes (Super-Kamiokande Collaboration)

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classification 🌌 astro-ph.HE astro-ph.SR

keywords burstneutrinosupernovadetectionmonitordeterminationdirectionexplosions

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We present a real-time supernova neutrino burst monitor at Super-Kamiokande (SK). Detecting supernova explosions by neutrinos in real time is crucial for giving a clear picture of the explosion mechanism. Since the neutrinos are expected to come earlier than light, a fast broadcasting of the detection may give astronomers a chance to make electromagnetic radiation observations of the explosions right at the onset. The role of the monitor includes a fast announcement of the neutrino burst detection to the world and a determination of the supernova direction. We present the online neutrino burst detection system and studies of the direction determination accuracy based on simulations at SK.

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