Dark and visible matter with broken R-parity and the axion multiplet

被引：13

作者：

Hasenkamp, Jasper ^{[1
]}

Kersten, Joern ^{[1
]}

机构：

[1] Univ Hamburg, Inst Theoret Phys 2, Hamburg, Germany

来源：

PHYSICS LETTERS B | 2011年 / 701卷 / 05期

关键词：

Axion; Supersymmetry; R-parity breaking; Early universe; Dark matter; COSMOLOGICAL CONSTRAINTS; CP CONSERVATION; AXINO; MASS;

D O I：

10.1016/j.physletb.2011.06.037

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A small breaking of R-parity reconciles thermal leptogenesis, gravitino dark matter and primordial nucleosynthesis. We find that the same breaking relaxes cosmological bounds on the axion multiplet. Naturally expected spectra become allowed and bounds from late particle decays become so weak that they are superseded by bounds from non-thermal axion production. In this sense, the strong CP problem serves as an additional motivation for broken R-parity. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：660 / 666

页数：7

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