Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 78, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-018-6308-9
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Funding
- National Natural Science Foundation of China [11605075, 11505062]
- Natural Science Foundation of Shandong Province [ZR2018MA047, ZR2014AM016]
- Special Fund of Theoretical Physics [11447117]
- Fundamental Research Funds for the Central Universities [2016MS133]
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In this paper, we perform a detail analysis on the phenomenology of Z portal scalar and Dirac fermion dark matter in B -L scotogenic Dirac model. Unconventional B -L charge Q is assigned to the right-handed neutrino.R in order to realise scotogenicDirac neutrino mass at one-loop level, where three typical value Q = -1 4,-4, 3 2 are chosen to illustrate. Observational properties involving dilepton signature at LHC, relativistic degrees of freedom Neff, dark matter relic density, direct and indirect detections are comprehensively studied. Combined results of these observables for the benchmark scenarios imply that the resonance region MDM MZ / 2 is the viable parameter space. Focusing on the resonance region, a scanning for TeV-scale dark matter is also performed to obtain current allowed and future prospective parameter space.
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