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Electroweak baryogenesis and electron EDM in the B-LSSM

文献类型:期刊论文

AuthorYang, Jin-Lei; Feng, Tai-Fu; Zhang, Hai-Bin
SourceEUROPEAN PHYSICAL JOURNAL C
Issued Date2020
Volume80Issue:3Pages:210
KeywordDIPOLE MOMENT CONSTRAINTS PHASE-TRANSITION CP VIOLATION SUSY MODEL HIGGS GAUGINOS BREAKING NEUTRON STOP
ISSN1434-6044
DOI10.1140/epjc/s10052-020-7753-9
English AbstractElectroweak baryogenesis (EWB) and electric dipole moment (EDM) have close relation with the new physics beyond the standard model (SM), because the SM CP-violating (CPV) interactions are not sufficient to provide the baryon asymmetry of the universe by many orders of magnitude, and the theoretical predictions for the EDM of electron (de) in the SM are too tiny to be detected in near future. In this work, we explore the CPV effects on EWB and the electron EDMin the minimal supersymmetric extension (MSSM) of the SM with local B - L gauge symmetry (B-LSSM). And the two-step transition via tree-effects in this model is discussed. Including two-loop corrections to de and considering the constrains from updated experimental data, the numerical results show that the B-LSSM can account for the observed baryon asymmetry. In addition, when the cancellation between different contributions to de takes place, the region favored by EWB can be compatible with the corresponding EDM bound.
SubjectPhysics
Language英语
源URL[http://ir.itp.ac.cn/handle/311006/26971]  
Collection理论物理研究所_理论物理所1978-2010年知识产出
Affiliation1.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China
2.[Yang, Jin-Lei
3.Hebei Univ, Dept Phys, Baoding 071002, Peoples R China
4.Hebei Key Lab High Precis Computat & Applicat Qua, Baoding 071002, Peoples R China
5.Feng, Tai-Fu
6.Univ Chinese Acad Sci, Sch Phys Sci, CAS Key Lab Theoret Phys, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yang, Jin-Lei,Feng, Tai-Fu,Zhang, Hai-Bin. Electroweak baryogenesis and electron EDM in the B-LSSM[J]. EUROPEAN PHYSICAL JOURNAL C,2020,80(3):210.
APA Yang, Jin-Lei,Feng, Tai-Fu,&Zhang, Hai-Bin.(2020).Electroweak baryogenesis and electron EDM in the B-LSSM.EUROPEAN PHYSICAL JOURNAL C,80(3),210.
MLA Yang, Jin-Lei,et al."Electroweak baryogenesis and electron EDM in the B-LSSM".EUROPEAN PHYSICAL JOURNAL C 80.3(2020):210.

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来源:理论物理研究所

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