Highly Enhanced Contributions of Heavy Higgs Bosons and New Leptons to Muon g-2 and Prospects at Future Colliders

被引：30

作者：

Dermisek, Radovan ^{[1
]}

Hermanek, Keith ^{[1
]}

McGinnis, Navin ^{[2
]}

机构：

[1] Indiana Univ, Phys Dept, Bloomington, IN 47405 USA

[2] Argonne Natl Lab, High Energy Phys Div, 9700 S Cass Ave, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW LETTERS | 2021年 / 126卷 / 19期

关键词：

MOMENT;

D O I：

10.1103/PhysRevLett.126.191801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that, in a two Higgs doublet model type II extended by vectorlike leptons, the contributions from heavy neutral and charged Higgs bosons to the anomalous magnetic moment of the muon simultaneously feature chiral enhancement from masses of new leptons and tan(2) beta enhancement from couplings of Higgs bosons. Assuming moderate values of new Yukawa couplings, not exceeding one, that can remain perturbative to very high energy scales, the measured value of muon 9 - 2 can be explained within one standard deviation even with 6.5 TeV leptons or 20 TeV Higgs bosons. Allowing new couplings near the perturbativity limit, these mass ranges extend to 45 TeV for leptons and 185 TeV for Higgs bosons. In spite of the high scale of new physics, this scenario can be completely probed at planned future colliders.

引用

页数：5

共 42 条

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