在超级神冈探测器中寻找超新星遗迹中微子。
Search for supernova relic neutrinos at Super-Kamiokande.
作者信息
Malek M, Morii M, Fukuda S, Fukuda Y, Ishitsuka M, Itow Y, Kajita T, Kameda J, Kaneyuki K, Kobayashi K, Koshio Y, Miura M, Moriyama S, Nakahata M, Nakayama S, Namba T, Okada A, Ooyabu T, Saji C, Sakurai N, Shiozawa M, Suzuki Y, Takeuchi H, Takeuchi Y, Totsuka Y, Yamada S, Desai S, Earl M, Kearns E, Messier M D, Stone J L, Sulak L R, Walter C W, Goldhaber M, Barszczak T, Casper D, Gajewski W, Kropp W R, Mine S, Liu D W, Smy M B, Sobel H W, Vagins M R, Gago A, Ganezer K S, Keig W E, Ellsworth R W, Tasaka S, Kibayashi A, Learned J G, Matsuno S, Takemori D, Hayato Y, Ishii T, Kobayashi T, Maruyama T, Nakamura K, Obayashi Y, Oyama Y, Sakuda M, Yoshida M, Kohama M, Iwashita T, Suzuki A T, Ichikawa A, Inagaki T, Kato I, Nakaya T, Nishikawa K, Haines T J, Dazeley S, Hatakeyama S, Svoboda R, Blaufuss E, Goodman J A, Guillian G, Sullivan G W, Turcan D, Scholberg K, Habig A, Ackermann M, Hill J, Jung C K, Martens K, Mauger C, McGrew C, Sharkey E, Viren B, Yanagisawa C, Toshito T, Mitsuda C, Miyano K, Shibata T, Kajiyama Y, Nagashima Y, Nitta K, Takita M, Kim H I, Kim S B, Yoo J, Okazawa H, Ishizuka T, Etoh M, Gando Y, Hasegawa T, Inoue K, Ishihara K, Shirai J, Suzuki A, Koshiba M, Hatakeyama Y, Ichikawa Y, Koike M, Nishijima K, Ishino H, Nishimura R, Watanabe Y, Kielczewska D, Berns H G, Boyd S C, Stachyra A L, Wilkes R J
机构信息
Department of Physics and Astronomy, State University of New York, Stony Brook, New York 11794-3800, USA.
出版信息
Phys Rev Lett. 2003 Feb 14;90(6):061101. doi: 10.1103/PhysRevLett.90.061101. Epub 2003 Feb 13.
A search for the relic neutrinos from all past core-collapse supernovae was conducted using 1496 days of data from the Super-Kamiokande detector. This analysis looked for electron-type antineutrinos that had produced a positron with an energy greater than 18 MeV. In the absence of a signal, 90% C.L. upper limits on the total flux were set for several theoretical models; these limits ranged from 20 to 130 macro nu(e) cm(-2) s(-1). Additionally, an upper bound of 1.2 macro nu(e) cm(-2) s(-1) was set for the supernova relic neutrino flux in the energy region E(nu)>19.3 MeV.
利用超级神冈探测器1496天的数据，对来自所有过去核心坍缩超新星的遗迹中微子进行了搜索。该分析寻找产生能量大于18 MeV正电子的电子型反中微子。在没有信号的情况下，为几个理论模型设定了90%置信水平的总通量上限；这些上限范围为20至130宏观ν(e) cm(-2) s(-1)。此外，在能量区域E(ν)>19.3 MeV中，为超新星遗迹中微子通量设定了1.2宏观ν(e) cm(-2) s(-1)的上限。
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