期刊
PHYSICAL REVIEW LETTERS
卷 115, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.115.121804
关键词
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资金
- IISN
- Belgian Science Policy [IAP VII/37]
- Department of Science and Technology, Government of India [SB/S2/HEP-011/2013]
- Max Planck Society
We show that left-right symmetric models can easily accommodate stable TeV-scale dark matter particles without the need for an ad hoc stabilizing symmetry. The stability of a newly introduced multiplet either arises accidentally as in the minimal dark matter framework or comes courtesy of the remaining unbroken Z(2) subgroup of B - L. Only one new parameter is introduced: the mass of the new multiplet. As minimal examples, we study left-right fermion triplets and quintuplets and show that they can form viable two-component dark matter. This approach is, in particular, valid for SU(2) x SU(2) x U(1) models that explain the recent diboson excess at ATLAS in terms of a new charged gauge boson of mass 2 TeV.
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