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Huang, WC; Kang, ZF; Shu, J; Wu, PW; Yang, JM; Huang, WC (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
New insights in the electroweak phase transition in the NMSSM
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe perform a detailed semianalytical analysis of the electroweak phase transition (EWPT) property in the Next-to-Minimal Supersymmetric standard model, which serves as a good benchmark model in which the 126 GeV Higgs mixes with a singlet. In this case, a strongly first-order electroweak phase transition (SFOEWPT) is achieved by the tree-level effects, and the phase transition strength gamma(c) is determined by the vacua energy gap at T = 0. We make an anatomy of the energy gap at both tree level and loop level and extract out a dimensionless phase transition parameter R-kappa equivalent to 4 kappa v(s)/A(kappa), which can replace A(kappa) in the parameterization and affect the light CP-odd/even Higgs spectra. We find that SFOEWPT only occurs in R-kappa similar to -1 and positive R-kappa less than or similar to O(10), which in the non-PQ limit case would prefer either a relatively light CP-odd or CP-even Higgs boson similar to(60, 100) GeV, and therefore serves as a smoking gun signal and requires new search strategies at the LHC.
2015
Volume91Issue:2Pages:25006
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.91.025006
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11275245, 10821504, 11135003] ; National Natural Science Foundation of China [11275245, 10821504, 11135003] ; National Natural Science Foundation of China [11275245, 10821504, 11135003] ; National Natural Science Foundation of China [11275245, 10821504, 11135003]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21116
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, WC (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Huang, WC,Kang, ZF,Shu, J,et al. New insights in the electroweak phase transition in the NMSSM[J]. PHYSICAL REVIEW D,2015,91(2):25006.
APA Huang, WC,Kang, ZF,Shu, J,Wu, PW,Yang, JM,&Huang, WC .(2015).New insights in the electroweak phase transition in the NMSSM.PHYSICAL REVIEW D,91(2),25006.
MLA Huang, WC,et al."New insights in the electroweak phase transition in the NMSSM".PHYSICAL REVIEW D 91.2(2015):25006.
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