Neutrinoless universe

被引：128

作者：

Beacom, JF

Bell, NF

Dodelson, S

机构：

[1] Fermilab Natl Accelerator Lab, NASA, Fermilab Astrophys Ctr, Batavia, IL 60510 USA

[2] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 12期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1103/PhysRevLett.93.121302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider the consequences for the relic neutrino abundance if extra neutrino interactions are allowed, e.g., the coupling of neutrinos to a light (compared to m(nu)) boson. For a wide range of couplings not excluded by other considerations, the relic neutrinos would annihilate to bosons at late times and thus make a negligible contribution to the matter density today. This mechanism evades the neutrino mass limits arising from large scale structure.

引用

页码：121302 / 1

页数：4

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