STABILITY OF NEUTRINOS IN THE SINGLET MAJORON MODEL

被引：7

作者：

CLINE, JM

KAINULAINEN, K

PABAN, S

机构：

[1] School of Physics and Astronomy, University of Minnesota, Minneapolis

来源：

PHYSICS LETTERS B | 1993年 / 319卷 / 04期

关键词：

D O I：

10.1016/0370-2693(93)91759-G

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that there is no one-loop enhancement of the rate for a light neutrino to decay into a lighter neutrino plus a majoron, contrary to a recent claim. Thus the light neutrinos must satisfy the cosmological bound of having masses less than 35 eV in the singlet majoron model, or else violate the constraint imposed by galaxy formation. In the latter case, nu(tau) could have a mass between 40 keV and 1 MeV, while satisfying all other cosmological constraints.

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页码：513 / 519

页数：7

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