Scalar neutrino dark matter in the BLMSSM Supported by National Natural Science Foundation of China (NNSFC) (11535002, 11605037, 11705045), Natural Science Foundation of Hebei Province (A 2020201002) and the youth top-notch talent support program of the Hebei Province,Chinese Physics C

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Scalar neutrino dark matter in the BLMSSM Supported by National Natural Science Foundation of China (NNSFC) (11535002, 11605037, 11705045), Natural Science Foundation of Hebei Province (A 2020201002) and the youth top-notch talent support program of the Hebei Province
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-08-31 , DOI: 10.1088/1674-1137/ac0c0e
Ming-Jie Zhang _{1,

2} , Shu-Min Zhao _{1,

2} , Xing-Xing Dong _{1,

2} , Zhong-Jun Yang ₃ , Tai-Fu Feng _{1,

2,

3}

Affiliation

The BLMSSM is an extension of the minimal supersymmetric standard model (MSSM). Its local gauge group is $SU(3)_C \times SU(2)_L \times U(1)_Y \times U(1)_B \times U(1)_L$ . 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.

中文翻译：

BLMSSM中的标量中微子暗物质国家自然科学基金（NNSFC）（11535002、11605037、11705045）、河北省自然科学基金（A 2020201002）和河北省青年拔尖人才支持计划

BLMSSM 是最小超对称标准模型 (MSSM) 的扩展。它的本地规范组是 $SU(3)_C \times SU(2)_L \times U(1)_Y \times U(1)_B \times U(1)_L$ 。假设最轻的标量中微子是暗物质候选者，我们研究从核子散射的中微子的残余密度和自旋独立截面。我们详细计算数值结果并找到合适的参数空间。数值讨论可以限制参数空间，为暗物质研究提供参考。

更新日期：2021-08-31

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