SOLAR-NEUTRINO DATA, NEUTRINO MAGNETIC-MOMENTS AND FLAVOR MIXING

被引：38
|
作者：
AKHMEDOV, EK [1 ]
LANZA, A [1 ]
PETCOV, ST [1 ]
机构：
[1] UNIV VALENCIA, DEPT FIS TEOR, CSIC, INST FIS CORPUSCULAR, E-46100 BURJASSOT, SPAIN
来源：
PHYSICS LETTERS B | 1995年 / 348卷 / 1-2期
关键词：
D O I：
10.1016/0370-2693(95)00097-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The results of all currently operating solar neutrino experiments are analyzed in the framework of the resonant neutrino spin-flavor precession scenario including the effects of neutrino mixing. Nine different profiles of the solar magnetic field are used in the calculations. It is shown that the available experimental data can be accounted for within the considered scenario. The Ga-Ge data lead to an upper limit on the neutrino mixing angle: sin 2 theta(0) less than or similar to 0.25. One can discriminate between small mixing angle (sin 2 theta(0) less than or similar to 0.1) and moderate mixing angle solutions by studying the solar <(nu)over bar>(e) flux which is predicted to be sizeable for moderate mixing angles. The expected signals due to <(nu)over bar>(e) in the SNO, Super-Kamiokande and Borexino experiments are calculated and found to be detectable for sin 2 theta(0) less than or similar to 0.1.
引用
收藏
页码：124 / 132
页数：9
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