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
收藏
页码：121302 / 1
页数：4
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