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# Title: SU(2)$_L\times$SU(2)$_R$ minimal dark matter with 2 TeV $W'$

Abstract: We construct the minimal dark matter models in the left-right symmetric extensions of the standard model (SM), where the gauge symmetry SU(3)$_C\times$SU(2)$_L\times$SU(2)$_R\times$U(1)$_{B-L}$ is broken into its subgroup SU(3)$_C\times$U(1)$_{\rm em}$ by nonzero VEVs of a SU(2)$_R$ doublet $H_R$ and a SU(2)$_L\times$ SU(2)$_R$ bidoublet $H$. A possible candidate of dark matter is explored in the framework of minimal dark matter considering SU(2)$_{L, R}$ multiplet scalar bosons and fermions. Then we focus on SU(2)$_R$ quintuplet fermions with $B-L$ charges 0, 2 and 4 as the minimal dark matter candidates and investigate phenomenology of them. We show that the dark matter in the model can provide observed relic density with 2 TeV $W'$ boson which is motivated by the ATLAS diboson excess and CMS $eejj$ excess. The possible mass of dark matter is predicted for each $B-L$ charge. We then estimate the scattering cross section of dark matter with nucleon and production cross section of charged components in the quintuplets at the LHC.
 Comments: 12 pages, 11 figures, version published in Phys. Lett. B Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex) DOI: 10.1016/j.physletb.2015.12.072 Report number: KIAS-P15057 Cite as: arXiv:1510.07872 [hep-ph] (or arXiv:1510.07872v3 [hep-ph] for this version)

## Submission history

From: Takaaki Nomura [view email]
[v1] Tue, 27 Oct 2015 11:29:35 GMT (964kb)
[v2] Thu, 5 Nov 2015 02:09:37 GMT (965kb)
[v3] Mon, 1 Feb 2016 14:39:00 GMT (965kb)
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