Journal
CHINESE PHYSICS C
Volume 45, Issue 9, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1674-1137/ac0c0e
Keywords
dark matter; sneutrino; supersymmetry
Categories
Funding
- National Natural Science Foundation of China (NNSFC) [11535002, 11605037, 11705045]
- Natural Science Foundation of Hebei Province [A 2020201002]
- youth top-notch talent support program of the Hebei Province
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The BLMSSM, an extension of the MSSM, investigates the properties and parameter space of the lightest scalar neutrino as a candidate for dark matter.
The BLMSSM is an extension of the minimal supersymmetric standard model (MSSM). Its local gauge group is S U(3)(C) x S U(2)(L) x U(1)(Y) x U(1)(B) x U(1)(L). Supposing the lightest scalar neutrino is a dark matter candidate, we study the relic density and the spin independent cross section of sneutrino scattering off a nucleon. We calculate the numerical results in detail and find a suitable parameter space. The numerical discussion can confine the parameter space and provide a reference for dark matter research.
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