Vector dark matter from split SU(2) gauge bosons

Zexi Hu (School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China) ; Chengfeng Cai (School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China) ; Yi-Lei Tang (School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China) ; Zhao-Huan Yu (School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China) ; Hong-Hao Zhang (School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China)

We propose a vector dark matter model with an exotic dark SU(2) gauge group. Two Higgs triplets are introduced to spontaneously break the symmetry. All of the dark gauge bosons become massive, and the lightest one is a viable vector DM candidate. Its stability is guaranteed by a remaining Z 2 symmetry. We study the parameter space constrained by the Higgs measurement data, the dark matter relic density, and direct and indirect detection experiments. We find numerous parameter points satisfying all the constraints, and they could be further tested in future experiments. Similar methodology can be used to construct vector dark matter models from an arbitrary SO(N) gauge group.

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      "surname": "Yu", 
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      "surname": "Zhang", 
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      "value": "We propose a vector dark matter model with an exotic dark SU(2) gauge group. Two Higgs triplets are introduced to spontaneously break the symmetry. All of the dark gauge bosons become massive, and the lightest one is a viable vector DM candidate. Its stability is guaranteed by a remaining Z 2 symmetry. We study the parameter space constrained by the Higgs measurement data, the dark matter relic density, and direct and indirect detection experiments. We find numerous parameter points satisfying all the constraints, and they could be further tested in future experiments. Similar methodology can be used to construct vector dark matter models from an arbitrary SO(N) gauge group."
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Published on:
14 July 2021
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2021 (2021)
Issue 7
Pages 1-22
DOI:
https://doi.org/10.1007/JHEP07(2021)089
arXiv:
2103.00220
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

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