OBSERVATION OF A SMALL ATMOSPHERIC NU-MU/NU-E RATIO IN KAMIOKANDE

被引：634

作者：

HIRATA, KS

INOUE, K

ISHIDA, T

KAJITA, T

KIHARA, K

NAKAHATA, M

NAKAMURA, K

OHARA, S

SAKAI, A

SATO, N

SUZUKI, Y

TOTSUKA, Y

YAGINUMA, Y

MORI, M

OYAMA, Y

SUZUKI, A

TAKAHASHI, K

YAMADA, M

KOSHIBA, M

NISHIJIMA, K

KAJIMURA, T

SUDA, T

TAJIMA, T

MIYANO, K

MIYATA, H

TAKEI, H

FUKUDA, Y

KODERA, E

NAGASHIMA, Y

TAKITA, M

YOKOYAMA, H

KANEYUKI, K

TAKEUCHI, Y

TANIMORI, T

BEIER, EW

FRANK, ED

FRATI, W

KIM, SB

MANN, AK

NEWCOMER, FM

VANBERG, R

ZHANG, W

机构：

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

[2] TOKAI UNIV,SHIBUYA,TOKYO 151,JAPAN

[3] KOBE UNIV,DEPT PHYS,KOBE 657,JAPAN

[4] NIIGATA UNIV,NIIGATA 95021,JAPAN

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

[6] TOKYO INST TECHNOL,DEPT PHYS,MEGURO KU,TOKYO 152,JAPAN

[7] UNIV PENN,DEPT PHYS,PHILADELPHIA,PA 19104

来源：

PHYSICS LETTERS B | 1992年 / 280卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(92)90788-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Results are presented of the observation of atmospheric neutrino interactions in the Kamiokande detector in an exposure of 4.92 kt yr. The observed ratio of single ring-mu-events to e-events (mu/e)data/(mu/e)MC = 0.60-(0.06)+007 (stat.) +/- 0.05 (syst.) suggests that the atmosphere nu(mu)/nu(e) ratio is smaller than expected. The implications of these results for neutrino oscillations are discussed.

引用

页码：146 / 152

页数：7

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