Mainly axion cold dark matter from natural supersymmetry

被引：55

作者：

Bae, Kyu Jung ^{[1
]}

Baer, Howard ^{[1
]}

Chun, Eung Jin ^{[2
]}

机构：

[1] Univ Oklahoma, Dept Phys & Astron, Norman, OK 73019 USA

[2] Korea Inst Adv Study, Seoul 130722, South Korea

来源：

PHYSICAL REVIEW D | 2014年 / 89卷 / 03期

关键词：

STRONG CP PROBLEM; AXINO; CONSERVATION; INVARIANCE; COSMOLOGY; BREAKING; MASS;

D O I：

10.1103/PhysRevD.89.031701

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By eschewing fine-tuning from the electroweak and QCD sectors of supersymmetry (natural supersymmetry or SUSY), and by invoking the Kim-Nilles solution to the SUSY mu problem, one is lead to models wherein the dark matter is comprised of a mixture of axions and Higgsino-like WIMPs. Over a large range of Peccei-Quinn breaking scale f(a) similar to 10(9)-10(12) GeV, one then expects about 90%-95% axion dark matter. In such a scenario, both axion and WIMP direct detection may be expected.

引用

页数：6

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