CLOSED BARYONIC UNIVERSE FROM PHOTON COOLING

被引：18

作者：

BARTLETT, JG ^{[1
]}

HALL, LJ ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,DIV PHYS,THEORET PHYS GRP,BERKELEY,CA 94720

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.66.541

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Universe may be critically closed by baryons and not conflict with standard big-bang nucleosynthesis if the comoving number density of photons is reduced after nucleosynthesis. This is accomplished at a temperature of order 10 keV by recoupling the photons to a cold hidden sector via a photon-mixing mechanism. Signatures from supernovae, neutrino backgrounds, and nucleosynthesis are discussed.

引用

页码：541 / 544

页数：4

共 12 条

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