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

Agarwalla, Sanjib Kumar and Ghosh, Kirtiman and Patra, Ayon (2018) Sub-TeV quintuplet minimal dark matter with left-right symmetry. In: JOURNAL OF HIGH ENERGY PHYSICS (5).

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Official URL: https://dx.doi.org/10.1007/JHEP05(2018)123


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.

Item Type: Journal Article
Publisher: SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Additional Information: Copy right of this article belong to SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Date Deposited: 13 Jun 2018 15:26
Last Modified: 13 Jun 2018 15:26
URI: http://eprints.iisc.ac.in/id/eprint/60002

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