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Wang, L; Yang, JM; Zhang, MC; Zhang, Y5
Revisiting lepton-specific 2HDM in light of muon g-2 anomaly
Source PublicationPHYSICS LETTERS B
AbstractWe examine the lepton-specific 2HDM as a solution of muon g - 2 anomaly under various theoretical and experimental constraints, especially the direct search limits from the LHC and the requirement of a strong first-order phase transition in the early universe. We find that the muon g - 2 anomaly can be explained in the region of 32 < tan beta< 80, 10 GeV < m(A) < 65 GeV, 260 GeV < m(H) < 620 GeV and 180 GeV < m(H +/-) < 620 GeV after imposing the joint constraints from the theory, the precision electroweak data, the 125 GeV Higgs data, the leptonic/semi-hadronic tau decays, the leptonic Z decays and Br(B-s -> mu(+)mu(-)). The direct searches from the h -> AA channels can impose stringent upper limits on Br(h -> AA) and the multi-lepton event searches can sizably reduce the allowed region of m(A) and tan beta (10 GeV < m(A) < 44 GeV and 32 < tan beta < 60). Finally, we find that the model can produce a strong first-order phase transition in the region of 14 GeV < m(A) < 25 GeV, 310 GeV < m(H) < 355 GeV and 250 GeV < m(H +/-) < 295 GeV, allowed by the explanation of the muon g - 2 anomaly. (C) 2018 The Authors. Published by Elsevier B.V.
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
Indexed BySCIE
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
4.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
5.Inst for Basic Sci Korea, Ctr Theoret Phys Universe, Daejeon 34126, South Korea
6.Monash Univ, ARC Ctr Excellence Particle Phys Terascale, Sch Phys & Astron, Melbourne, Vic 3800, Australia
Recommended Citation
GB/T 7714
Wang, L,Yang, JM,Zhang, MC,et al. Revisiting lepton-specific 2HDM in light of muon g-2 anomaly[J]. PHYSICS LETTERS B,2019,788:519-529.
APA Wang, L,Yang, JM,Zhang, MC,&Zhang, Y.(2019).Revisiting lepton-specific 2HDM in light of muon g-2 anomaly.PHYSICS LETTERS B,788,519-529.
MLA Wang, L,et al."Revisiting lepton-specific 2HDM in light of muon g-2 anomaly".PHYSICS LETTERS B 788(2019):519-529.
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