Study of neutron background in the atmospheric neutrino sample in Kamiokande

被引：300

作者：

Fukuda, Y

Hayakawa, T

Inoue, K

Ishihara, K

Ishino, H

Joukou, S

Kajita, T

Kasuga, S

Koshio, Y

Kumita, T

Matsumoto, K

Nakahata, M

Nakamura, K

Okumura, K

Sakai, A

Shiozawa, M

Suzuki, J

Suzuki, Y

Tomoeda, T

Totsuka, Y

Hirata, KS

Kihara, K

Oyama, Y

Koshiba, M

Horiuchi, T

Nishijima, K

Fujita, K

Hatakeyama, S

Koga, M

Maruyama, T

Suzuki, A

Mori, M

Suda, T

Suzuki, AT

Ishizuka, T

Miyano, K

Okazawa, H

Hara, T

Nagashima, Y

Takita, M

Yamaguchi, T

Hayato, Y

Kaneyuki, K

Suzuki, T

Takeuchi, Y

Tanimori, T

Tasaka, S

Ichihara, E

Miyamoto, S

Nishikawa, K

机构：

[1] NATL LAB HIGH ENERGY PHYS,KEK,TSUKUBA,IBARAKI 305,JAPAN

[2] TOKAI UNIV,INST RES & DEV,SHIBUYA,TOKYO 151,JAPAN

[3] TOKAI UNIV,DEPT PHYS,HIRATSUKA,KANAGAWA 25912,JAPAN

[4] TOHOKU UNIV,GRAD SCH SCI,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

[5] MIYAGI UNIV EDUC,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

[6] KOBE UNIV,DEPT PHYS,KOBE,HYOGO 657,JAPAN

[7] NIIGATA UNIV,NIIGATA 95021,JAPAN

[8] OSAKA UNIV,DEPT PHYS,TOYONAKA,OSAKA 560,JAPAN

[9] TOKYO INST TECHNOL,DEPT PHYS,TOKYO 152,JAPAN

[10] GIFU UNIV,DEPT PHYS,GIFU 50111,JAPAN

[11] UNIV TOKYO,INST NUCL STUDY,TANASHI,TOKYO 188,JAPAN

来源：

PHYSICS LETTERS B | 1996年 / 388卷 / 02期

关键词：

D O I：

10.1016/S0370-2693(96)01264-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Neutron background in the atmospheric neutrino sample was studied based on the vertex position distribution of the fully contained pi(0) events. No evidence for the background contamination was observed. The neutron contamination in the sub-GeV e-like sample was less than 1.2% at 90% C.L.

引用

页码：397 / 401

页数：5

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