Obscure Higgs boson at colliders

Bandyopadhyay, Priyotosh and Costantini, Antonio (2021) Obscure Higgs boson at colliders. Physical Review D, 103 (1). ISSN 2470-0010

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In this study we consider an extension of the Standard Model with a complex hypercharge zero triplet scalar. In this scenario one of the charged Higgs bosons remains purely triplet and does not couple to the fermions, making it elusive at colliders. Also the physical pseudoscalar is a pure triplet and this purity makes it a suitable dark matter candidate without the need of discrete symmetries, unlike other extensions. The bounds from relic density and direct dark matter search experiments select its mass to be ∼1.35-1.60 TeV. The pure triplet charged Higgs gives rise to displaced signatures and their sensitivity at LHC and MATHUSLA have been studied. The prospects at present and future hadron/muon colliders of such exotic scalars are pointed out by calculating their productions cross section and dominant decay modes. We present also the expected reach for the triplet states at a multi-TeV muon collider.

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IITH Creators:
IITH CreatorsORCiD
Bandyopadhyay, Priyotoshhttp://orcid.org/0000-0003-0464-5116
Costantini, AntonioUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Higgs boson;colliders
Subjects: Physics
Divisions: Department of Physics
Depositing User: . LibTrainee 2021
Date Deposited: 29 Jun 2021 09:42
Last Modified: 29 Jun 2021 09:42
URI: http://raiith.iith.ac.in/id/eprint/8046
Publisher URL: http://doi.org/10.1103/PhysRevD.103.015025
OA policy: https://v2.sherpa.ac.uk/id/publication/32263
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