Mainly axion cold dark matter from natural supersymmetry

Kyu Jung Bae; Howard Baer; Eung Jin Chun

doi:10.1103/PhysRevD.89.031701

Mainly axion cold dark matter from natural supersymmetry

Kyu Jung Bae
, Howard Baer
, Eung Jin Chun

University of Oklahoma
Korea Institute for Advanced Study

Research output: Contribution to journal › Article › peer-review

64 Scopus citations

Abstract

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 μ 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 fa∼109-1012 GeV, one then expects about 90%-95% axion dark matter. In such a scenario, both axion and WIMP direct detection may be expected.

Original language	English
Article number	031701
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	89
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.89.031701
State	Published - 10 Feb 2014

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10.1103/PhysRevD.89.031701

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Mainly axion cold dark matter from natural supersymmetry

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