A singlet extension of the MSSM with a dark matter portal

被引：2

作者：

de la Puente, Alejandro ^{[1
]}

Tangarife, Walter ^{[2
,3
]}

机构：

[1] TRIUMF, Theory Grp, Vancouver, BC V6T 2A3, Canada

[2] Univ Texas Austin, Dept Phys, Theory Grp, Austin, TX 78712 USA

[3] Univ Texas Austin, Texas Cosmol Ctr, Austin, TX 78712 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 07期

基金：

美国国家科学基金会;

关键词：

Supersymmetry Phenomenology; LIGHTEST HIGGS-BOSON; SUPERSYMMETRIC THEORIES; MINIMAL EXTENSION; MASS; NMSSM; CONSTRAINTS; CANDIDATE; SEARCHES;

D O I：

10.1007/JHEP07(2014)087

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The minimal extension of the MSSM (NMSSM) has been widely studied in the search for a natural solution to the mu-problem. In this work, we consider a variation of the NMSSM where an additional singlet is added and a Peccei-Quinn symmetry is imposed. We study its neutralino sector and compute the annihilation cross section of the lightest neutralino. We use existent cosmological and collider data to constrain the parameter space and consider the lightest neutralino, with mass between 1 and 15 GeV, as a thermal dark matter candidate.

引用

页数：27

共 50 条

[1] A singlet extension of the MSSM with a dark matter portal
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[J]. Journal of High Energy Physics, 2014
[2] DARK MATTER IN THE MSSM AND ITS SINGLET EXTENSION
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