Inert sextuplet scalar dark matter at the LHC and future colliders

A bstract We study a dark matter model constructed by extending the standard model with an inert SU(2) L sextuplet scalar of hypercharge 1/2. The sextuplet components are split by the quartic couplings between the sextuplet and the Higgs doublet after electroweak symmetry breaking, resulting in a da...

Full description

Saved in:
Bibliographic Details
Published in:The journal of high energy physics 2020-10, Vol.2020 (10), p.1-34, Article 212
Main Authors: Liu, Dan-Yang, Cai, Chengfeng, Yu, Zhao-Huan, Zeng, Yu-Pan, Zhang, Hong-Hao
Format: Article
Language:English
Subjects:
Beyond Standard Model
Broken symmetry
Classical and Quantum Gravitation
Constraint modelling
Couplings
Dark matter
Elementary Particles
High energy physics
Large Hadron Collider
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
Spontaneous Symmetry Breaking
String Theory
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A bstract We study a dark matter model constructed by extending the standard model with an inert SU(2) L sextuplet scalar of hypercharge 1/2. The sextuplet components are split by the quartic couplings between the sextuplet and the Higgs doublet after electroweak symmetry breaking, resulting in a dark sector with one triply charged, two doubly charged, two singly charged, and two neutral scalars. The lighter neutral scalar boson acts as a dark matter particle. We investigate the constraints on this model from the monojet + and soft-dilepton + jets + searches at the 13 TeV Large Hadron Collider, as well as from the current electroweak precision test. Furthermore, we estimate the projected sensitivities of a 100 TeV pp collider and of a future e + e − collider, and find that such future projects could probe TeV mass scales. Nonetheless, such mass scales only correspond to a subdominant component of the observed relic abundance if the dark matter particles solely originate from thermal production.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2020)212