Sub-TeV quintuplet minimal dark matter with left-right symmetry

  • Sanjib Kumar Agarwalla
  • Kirtiman Ghosh
  • Ayon Patra
Open Access
Regular Article - Theoretical Physics


A detailed study of a fermionic quintuplet dark matter in a left-right symmetric scenario is performed in this article. The minimal quintuplet dark matter model is highly constrained from the WMAP dark matter relic density (RD) data. To elevate this constraint, an extra singlet scalar is introduced. It introduces a host of new annihilation and co-annihilation channels for the dark matter, allowing even sub-TeV masses. The phenomenology of this singlet scalar is studied in detail in the context of the Large Hadron Collider (LHC) experiment. The production and decay of this singlet scalar at the LHC give rise to interesting resonant di-Higgs or diphoton final states. We also constrain the RD allowed parameter space of this model in light of the ATLAS bounds on the resonant di-Higgs and diphoton cross-sections.


Beyond Standard Model Higgs Physics 


Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.


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Copyright information

© The Author(s) 2018

Authors and Affiliations

  1. 1.Institute of Physics, Sachivalaya MargBhubaneswarIndia
  2. 2.Homi Bhabha National Institute, Training School ComplexMumbaiIndia
  3. 3.Centre for High Energy PhysicsIndian Institute of ScienceBangaloreIndia

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