SEARCH FOR DAY-NIGHT AND SEMIANNUAL VARIATIONS IN THE SOLAR NEUTRINO FLUX OBSERVED IN THE KAMIOKANDE-II DETECTOR

被引：135

作者：

HIRATA, KS

INOUE, K

KAJITA, T

KIHARA, K

NAKAHATA, M

NAKAMURA, K

OHARA, S

SATO, N

SUZUKI, Y

TOTSUKA, Y

YAGINUMA, Y

MORI, M

OYAMA, Y

SUZUKI, A

TAKAHASHI, K

YAMADA, M

KOSHIBA, M

NISHIJIMA, K

SUDA, T

TAJIMA, T

MIYANO, K

MIYATA, H

TAKEI, H

FUKUDA, Y

KODERA, E

NAGASHIMA, Y

TAKITA, M

KANEYUKI, K

TANIMORI, T

BEIER, EW

FELDSCHER, LR

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] NIIGATA UNIV,NIIGATA 95021,JAPAN

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

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

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

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

[7] TOKAI UNIV,TOKYO 151,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.66.9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Searches for possible day-night and semiannual variations of the B-8 solar neutrino flux are reported based on 1040 days of Kamiokande-II data. Within statistical error, no such short-time variations were observed. The limit on the day-night difference sets a constraint on neutrino-oscillation parameters. A region defined by sin(2)2-theta-less-than-or-similar-to 0.02 and 2x10(-6) less-than-or-similar-to-DELTA-m2 less-than-or-similar-to 10(-5) eV2 is excluded at 90% C. L. without any assumption on the absolute value of the expected solar neutrino flux.

引用

页码：9 / 12

页数：4

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