Electron-neutrino Majorana mass and solar neutrino oscillations

被引:10
作者
Ma, E [1 ]
机构
[1] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA
关键词
D O I
10.1016/S0370-2693(99)00436-0
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Assuming the Majorana masses of nu(e) and the linear combination c nu(tau) - s nu(mu) to be equal from their couplings to a heavy scalar triplet xi, I show that their radiative splitting is given by Delta m(2)/m(nu)(2) = (3c(2)/4 pi(2))(G(F)/root 2)m(tau)(2)ln(m(xi)(2)/m(w)(2)). This is applicable to the small-angle matter-enhanced oscillation solution of the solar neutrino deficit and restricts m(nu) to be between 0.20 and 0.36 eV if c(2) = 0.7 and m(xi) = 10(14) GeV. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:201 / 203
页数:3
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