Real-time supernova neutrino burst monitor at Super-Kamiokande |
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| Institution: | 1. Kamioka Observatory, Institute for Cosmic Ray Research, University of Tokyo, Kamioka, Gifu 506-1205, Japan;2. Research Center for Cosmic Neutrinos, Institute for Cosmic Ray Research, University of Tokyo, Kashiwa, Chiba 277-8582, Japan;3. Department of Theoretical Physics, University Autonoma Madrid, Madrid 28049, Spain;4. Department of Physics, Boston University, Boston, MA 02215, USA;5. Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T1Z4, Canada;6. Physics Department, Brookhaven National Laboratory, Upton, NY 11973, USA;7. Department of Physics and Astronomy, University of California, Irvine, Irvine, CA 92697-4575, USA;8. Department of Physics, California State University, Dominguez Hills, Carson, CA 90747, USA;9. Department of Physics, Chonnam National University, Kwangju 500-757, Republic of Korea;10. Department of Physics, Duke University, Durham, NC, 27708 USA;11. Junior College, Fukuoka Institute of Technology, Fukuoka, Fukuoka 811-0295, Japan;12. Department of Physics, Gifu University, Gifu 501-1193, Japan;13. GIST College, Gwangju Institute of Science and Technology, Gwangju 500-712, Korea;14. Department of Physics and Astronomy, University of Hawaii, Honolulu, HI 96822, USA;15. High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan;p. Department of Physics, Kobe University, Kobe, Hyogo 657-8501, Japan;q. Department of Physics, Kyoto University, Kyoto 606-8502, Japan;r. Department of Physics, Miyagi University of Education, Sendai, Miyagi 980-0845, Japan;s. Solar Terrestrial Environment Laboratory, Nagoya University, Nagoya, Aichi 464-8602, Japan;t. Department of Physics and Astronomy, State University of New York at Stony Brook, NY 11794-3800, USA;u. Department of Physics, Okayama University, Okayama 700-8530, Japan;v. Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan;w. Department of Physics, University of Regina, 3737 Wascana Parkway, Regina, SK S4SOA2, Canada;x. Department of Physics, Seoul National University, Seoul 151-742, Republic of Korea;y. Department of Informatics in Social Welfare, Shizuoka University of Welfare, Yaizu, Shizuoka 425-8611, Japan;z. Department of Physics, Sungkyunkwan University, Suwon 440-746, Republic of Korea;1. Department of Physics, Tokai University, Hiratsuka, Kanagawa 259-1292, Japan;2. The University of Tokyo, Bunkyo, Tokyo 113-0033, Japan;3. Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba 277-8583, Japan;4. Department of Physics, University of Torront, 60 St., Torront, Ontario M5S1A7, Canada;5. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada;6. Department of Engineering Physics, Tsinghua University, Beijing 100084, China;7. Department of Physics, University of Washington, Seattle, WA 98195-1560, USA;8. National Centre For Nuclear Research, Warsaw 00-681, Poland;1. Department of Physics, IIT Kanpur, Kanpur 208 016, India;2. Center for Computational Natural Sciences and Bioinformatics, International Institute of Information Technology, Hyderabad 500 032, India;1. Institut für Experimentelle Kernphysik (IEKP), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany;2. Institut für Kernphysik (IK), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany |
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| Abstract: | 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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