COSMOLOGICAL CONSTRAINTS ON THE LIGHT STABLE GRAVITINO

被引：498

作者：

MOROI, T ^{[1
]}

MURAYAMA, H ^{[1
]}

YAMAGUCHI, M ^{[1
]}

机构：

[1] TOHOKU UNIV,COLL GEN EDUC,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN

来源：

PHYSICS LETTERS B | 1993年 / 303卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)91434-O

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Cosmological constraints when the gravitino is the lightest superparticle are studied. From the condition that the relic gravitinos should not overclose the universe, the upper bound on the reheating temperature of the universe is found to be 10(2)-10(10) GeV in a range of gravitino mass 10(-5)-10 GeV. Furthermore, if the decay of the next-to-the-lightest superparticle produces sizable high energy photons, constraints from the light element (D, He-3, He-4) photodestruction exclude a range of the gravitino mass.

引用

页码：289 / 294

页数：6

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