Neutrino magnetic moments, flavor mixing, and the Super-Kamiokande solar data

被引：137

作者：

Beacom, JF ^{[1
]}

Vogel, P ^{[1
]}

机构：

[1] CALTECH, Dept Phys 16133, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 83卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.83.5222

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We find that magnetic neutrino-electron scattering is unaffected by oscillations for vacuum mixing of Dirac neutrinos with only diagonal moments and for Majorana neutrinos with two flavors. For Mikheyev-Smirnov-Wolfenstein mixing, these cases are again obtained, though the effective moments can depend on the neutrino energy. Thus. e.g., the magnetic moments measured with <(nu)over bar>(e), from a reactor and nu(e) from the Sun could be different. With minimal assumptions, we find a new limit on mu(nu) using the 825-d Super-Kamiokande solar neutrino data: \mu(nu)\ less than or equal to 1.5 x 10(-10) mu(B) at 90% CL, comparable to the existing reactor limit.

引用

页码：5222 / 5225

页数：4

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