Supernova relic neutrino search at super-Kamiokande

被引:153
作者
Bays, K. [6 ]
Iida, T. [1 ]
Abe, K. [1 ]
Hayato, Y. [1 ,3 ]
Iyogi, K. [1 ]
Kameda, J. [1 ]
Koshio, Y. [1 ]
Marti, L. [1 ]
Miura, M. [1 ]
Moriyama, S. [1 ,3 ]
Nakahata, M. [1 ,3 ]
Nakayama, S. [1 ]
Obayashi, Y. [1 ]
Sekiya, H. [1 ]
Shiozawa, M. [1 ,3 ]
Suzuki, Y. [1 ,3 ]
Takeda, A. [1 ]
Takenaga, Y. [1 ]
Ueno, K. [1 ]
Ueshima, K. [1 ]
Yamada, S. [1 ]
Yokozawa, T. [1 ]
Kaji, H. [2 ]
Kajita, T. [2 ,3 ]
Kaneyuki, K. [2 ,3 ]
McLachlan, T. [2 ]
Okumura, K. [2 ]
Lee, K. P. [2 ]
Martens, K. [3 ]
Vagins, M. [3 ,6 ]
Labarga, L. [4 ]
Kearns, E. [3 ,5 ]
Litos, M. [5 ]
Raaf, J. L. [5 ]
Stone, J. L. [3 ,5 ]
Sulak, L. R. [5 ]
Kropp, W. R. [6 ]
Mine, S. [6 ]
Regis, C. [6 ]
Renshaw, A. [6 ]
Smy, M. B. [3 ,6 ]
Sobel, H. W. [3 ,6 ]
Ganezer, K. S. [7 ]
Hill, J. [7 ]
Keig, W. E. [7 ]
Cho, S. [7 ]
Jang, J. S. [8 ]
Kim, J. Y. [8 ]
Lim, I. T. [8 ]
Albert, J. [8 ]
机构
[1] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Kamioka, Gifu 5061205, Japan
[2] Univ Tokyo, Inst Cosm Ray Res, Res Ctr Cosm Neutrinos, Kashiwa, Chiba 2778582, Japan
[3] Univ Tokyo, Todai Inst Adv Study, Inst Phys & Math Universe, Kashiwa, Chiba 2778582, Japan
[4] Univ Autonoma Madrid, Dept Theoret Phys, E-28049 Madrid, Spain
[5] Boston Univ, Dept Phys, Boston, MA 02215 USA
[6] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[7] Calif State Univ, Dept Phys, Carson, CA 90747 USA
[8] Chonnam Natl Univ, Dept Phys, Kwangju 500757, South Korea
[9] Duke Univ, Dept Phys, Durham, NC 27708 USA
[10] Fukuoka Inst Technol, Jr Coll, Fukuoka 8110214, Japan
[11] Gifu Univ, Dept Phys, Gifu 5011193, Japan
[12] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
[13] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan
[14] Kobe Univ, Dept Phys, Kobe, Hyogo 6578501, Japan
[15] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
[16] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi 9800845, Japan
[17] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648602, Japan
[18] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[19] Okayama Univ, Dept Phys, Okayama 7008530, Japan
[20] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan
[21] Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea
[22] Shizuoka Univ Welf, Dept Informat Social Welf, Yaizu, Shizuoka 4258611, Japan
[23] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[24] Tokai Univ, Dept Phys, Hiratsuka, Kanagawa 2591292, Japan
[25] Univ Tokyo, Bunkyo Ku, Tokyo 1130033, Japan
[26] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[27] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[28] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源
PHYSICAL REVIEW D | 2012年 / 85卷 / 05期
基金
中国国家自然科学基金; 新加坡国家研究基金会; 美国能源部; 日本学术振兴会; 美国国家科学基金会;
关键词
EVOLUTION;
D O I
10.1103/PhysRevD.85.052007
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A new Super-Kamiokande search for supernova relic neutrinos was conducted using 2853 live days of data. Sensitivity is now greatly improved compared to the 2003 Super-Kamiokande result, which placed a flux limit near many theoretical predictions. This more detailed analysis includes a variety of improvements such as increased efficiency, a lower energy threshold, and an expanded data set. New combined upper limits on supernova relic neutrino flux are between 2.8 and 3.1 (v) over bar (e) cm(-2) s(-1) > 16 MeV total positron energy (17.3 MeV E-v).
引用
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页数:15
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