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Title: Two Higgs doublet models augmented by a scalar colour octet

Abstract

The LHC is now studying in detail the couplings of the Higgs boson in order to determine if there is new physics. Many recent studies have examined the available fits to Higgs couplings from the perspective of constraining two Higgs doublet models (2HDM). In this paper we extend those studies to include constraints on the one loop couplings of the Higgs to gluons and photons. These couplings are particularly sensitive to the existence of new coloured particles that are hard to detect otherwise and we use them to constrain a 2HDM augmented with a colour-octet scalar, a possibility motivated by minimal flavour violation. We first study theoretical constraints on this model and then compare them with LHC measurements.

Authors:
 [1];  [2]
  1. Iowa State Univ., Ames, IA (United States). Department of Physics and Astronomy
  2. Monash University, Melbourne (Australia). School of Physics and Astronomy
Publication Date:
Research Org.:
Iowa State Univ., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1434612
Grant/Contract Number:  
SC0009974
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 9; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Higgs Physics; Beyond Standard Model

Citation Formats

Cheng, Li, and Valencia, German. Two Higgs doublet models augmented by a scalar colour octet. United States: N. p., 2016. Web. https://doi.org/10.1007/JHEP09(2016)079.
Cheng, Li, & Valencia, German. Two Higgs doublet models augmented by a scalar colour octet. United States. https://doi.org/10.1007/JHEP09(2016)079
Cheng, Li, and Valencia, German. Tue . "Two Higgs doublet models augmented by a scalar colour octet". United States. https://doi.org/10.1007/JHEP09(2016)079. https://www.osti.gov/servlets/purl/1434612.
@article{osti_1434612,
title = {Two Higgs doublet models augmented by a scalar colour octet},
author = {Cheng, Li and Valencia, German},
abstractNote = {The LHC is now studying in detail the couplings of the Higgs boson in order to determine if there is new physics. Many recent studies have examined the available fits to Higgs couplings from the perspective of constraining two Higgs doublet models (2HDM). In this paper we extend those studies to include constraints on the one loop couplings of the Higgs to gluons and photons. These couplings are particularly sensitive to the existence of new coloured particles that are hard to detect otherwise and we use them to constrain a 2HDM augmented with a colour-octet scalar, a possibility motivated by minimal flavour violation. We first study theoretical constraints on this model and then compare them with LHC measurements.},
doi = {10.1007/JHEP09(2016)079},
journal = {Journal of High Energy Physics (Online)},
number = 9,
volume = 2016,
place = {United States},
year = {2016},
month = {9}
}

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Cited by: 4 works
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