Exotic particle mass spectrum of the BLMSSM

作者: Hui Li , Jian-Bin Chen , Li-Li Xing

DOI: 10.1142/S0217732318500347

关键词:

摘要: To explain the matter–antimatter asymmetry, a supersymmetric extension of Standard Model (SM) is proposed where baryon and lepton numbers are local-gauged (BLMSSM), exotic superfields introduced when gauge group enlarged to SU(3)C ⊗SU(2)L ⊗U(1)Y ⊗U(1)B ⊗U(1)L. Owing consistency SM prediction observation large hadron collider (LHC), parameter space that related masses new particles stringently constrained. By diagonalizing mass-squared matrices for neutral scalar sectors quarks, we obtain mass these particles, then present contour plot varying from different parameters with some assumptions, so constraints on model can be obtained lower limits particle mass.

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