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Light charged Higgs boson scenario in 3HDMs

Light charged Higgs boson scenario in 3HDMs
Light charged Higgs boson scenario in 3HDMs
The measurement of the $B\to X_s\gamma$ process gives important constraints on physics related to charged Higgs bosons ($H^\pm$). In 2-Higgs Doublet Models (2HDMs) with a softly-broken $Z_2$ symmetry, a light $H^\pm$ scenario, in which $H^\pm$ can be produced via the top decay, is possible in two of four types of Yukawa interactions (the so-called Type-I and Type-X). In these types of 2HDMs, the $H^\pm \to \tau^\pm \nu$ decay mode is dominant in wide regions of the parameter space. In this report, we discuss the other possibility of a light charged Higgs boson scenario in 3-Higgs-Doublet Models (3HDMs) based on the results obtained in Ref. [1]. We show that charged Higgs bosons can mainly decay into $cb$ without contradiction with the $B\to X_s\gamma$ data and the direct searches for charged Higgs bosons at the LHC, and this scenario cannot be realized in the 2HDMs.
hep-ph
Akeroyd, A.G.
e5de827d-7119-41c2-9f1e-5ef123afdf98
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Yagyu, Kei
ecd84785-710b-4526-8b41-55ae605e633c
Yildirim, Emine
d4349b7c-247c-41cf-9a8b-0d235e7628ae
Akeroyd, A.G.
e5de827d-7119-41c2-9f1e-5ef123afdf98
Moretti, Stefano
b57cf0f0-4bc3-4e02-96e3-071255366614
Yagyu, Kei
ecd84785-710b-4526-8b41-55ae605e633c
Yildirim, Emine
d4349b7c-247c-41cf-9a8b-0d235e7628ae

Akeroyd, A.G., Moretti, Stefano, Yagyu, Kei and Yildirim, Emine (2016) Light charged Higgs boson scenario in 3HDMs. Proceedings of Science, Charged2016, [024].

Record type: Article

Abstract

The measurement of the $B\to X_s\gamma$ process gives important constraints on physics related to charged Higgs bosons ($H^\pm$). In 2-Higgs Doublet Models (2HDMs) with a softly-broken $Z_2$ symmetry, a light $H^\pm$ scenario, in which $H^\pm$ can be produced via the top decay, is possible in two of four types of Yukawa interactions (the so-called Type-I and Type-X). In these types of 2HDMs, the $H^\pm \to \tau^\pm \nu$ decay mode is dominant in wide regions of the parameter space. In this report, we discuss the other possibility of a light charged Higgs boson scenario in 3-Higgs-Doublet Models (3HDMs) based on the results obtained in Ref. [1]. We show that charged Higgs bosons can mainly decay into $cb$ without contradiction with the $B\to X_s\gamma$ data and the direct searches for charged Higgs bosons at the LHC, and this scenario cannot be realized in the 2HDMs.

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More information

Published date: 15 December 2016
Additional Information: Prepared for proceedings for Charged2016, talk presented by Kei Yagyu
Keywords: hep-ph
Organisations: Physics & Astronomy, Theory Group

Identifiers

Local EPrints ID: 411797
URI: http://eprints.soton.ac.uk/id/eprint/411797
PURE UUID: 94f16a6d-dfa0-4963-9ebc-0bbf57b3c9ea

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Date deposited: 26 Jun 2017 16:30
Last modified: 03 Jan 2019 10:30

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