ATMOSPHERIC NU(MU) NU(E) RATIO IN THE MULTI-GEV ENERGY-RANGE

被引：836

作者：

FUKUDA, Y

HAYAKAWA, T

INOUE, K

ISHIDA, T

JOUKOU, S

KAJITA, T

KASUGA, S

KOSHIO, Y

KUMITA, T

MATSUMOTO, K

NAKAHATA, M

NAKAMURA, K

SAKAI, A

SHIOZAWA, M

SUZUKI, J

SUZUKI, Y

TOTSUKA, Y

HIRATA, KS

KIHARA, K

MORI, M

OYAMA, Y

SUZUKI, A

YAMADA, M

KOSHIBA, M

NISHIJIMA, K

KAJIMURA, T

SUDA, T

SUZUKI, AT

ISHIZUKA, T

KOGA, M

MIYANO, K

MIYATA, H

OKAZAWA, H

TAKEI, H

HARA, T

KISHI, N

NAGASHIMA, Y

TAKITA, M

YOSHIMOTO, A

HAYATO, Y

KANEYUKI, K

TAKEUCHI, Y

TANIMORI, T

TASAKA, S

NISHIKAWA, K

BEIER, EW

FRANK, ED

FRATI, W

KIM, SB

MANN, AK

机构：

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

[2] TOKAI UNIV,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] GIFU UNIV,DEPT PHYS,GIFU 50111,JAPAN

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

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

来源：

PHYSICS LETTERS B | 1994年 / 335卷 / 02期

关键词：

D O I：

10.1016/0370-2693(94)91420-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Data from the Kamiokande detector were used to study the atmospheric (nu(mu) + nu(mu)BAR)/(nu(e) + nu(e)BAR) ratio in the multi-GeV energy range. The observed ratio of mu-like to e-like events relative to the calculated ratio, (mu/e)data/(mu/e)MC = 0.57(+0.08/-0.07) +/- 0.07, suggests that the atmospheric (nu(mu) + nu(mu)BAR)/(nu(e) + nu(e)BAR) ratio is smaller than expected for these neutrino energies. Also studied was the zenith-angle dependence of the above ratio. Results of an analysis of neutrino oscillations are presented.

引用

页码：237 / 245

页数：9

共 28 条

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