scholarly journals Two-loop Dirac neutrino mass and WIMP dark matter

2016 ◽  
Vol 762 ◽  
pp. 214-218 ◽  
Author(s):  
Cesar Bonilla ◽  
Ernest Ma ◽  
Eduardo Peinado ◽  
Jose W.F. Valle
Keyword(s):  
Dark Matter ◽  
Neutrino Mass ◽  
Dirac Neutrino

scholarly journals One-loop Dirac neutrino mass and mixed axion-WIMP dark matter

2019 ◽  
Vol 99 (7) ◽  
Author(s):  
Cristian D. R. Carvajal ◽  
Óscar Zapata
Keyword(s):  
Dark Matter ◽  
Neutrino Mass ◽  
Dirac Neutrino

scholarly journals Minimal dirac neutrino mass models from $$\hbox {U}(1)_{\mathrm{R}}$$ gauge symmetry and left–right asymmetry at colliders

2019 ◽  
Vol 79 (11) ◽  
Author(s):  
Sudip Jana ◽  
P. K. Vishnu ◽  
Shaikh Saad
Keyword(s):  
Dark Matter ◽  
Neutrino Mass ◽  
Discrete Symmetry ◽  
Tree Level ◽  
Mass Generation ◽  
Abelian Gauge ◽  
Dirac Neutrino ◽  
Left Right Asymmetry ◽  
Minimal Realizations ◽  
The Right

Abstract In this work, we propose minimal realizations for generating Dirac neutrino masses in the context of a right-handed abelian gauge extension of the Standard Model. Utilizing only $$U(1)_R$$U(1)R symmetry, we address and analyze the possibilities of Dirac neutrino mass generation via (a) tree-level seesaw and (b) radiative correction at the one-loop level. One of the presented radiative models implements the attractive scotogenic model that links neutrino mass with Dark Matter (DM), where the stability of the DM is guaranteed from a residual discrete symmetry emerging from $$U(1)_R$$U(1)R. Since only the right-handed fermions carry non-zero charges under the $$U(1)_R$$U(1)R, this framework leads to sizable and distinctive Left–Right asymmetry as well as Forward–Backward asymmetry discriminating from $$U(1)_{B-L}$$U(1)B-L models and can be tested at the colliders. We analyze the current experimental bounds and present the discovery reach limits for the new heavy gauge boson $$Z^{\prime }$$Z′ at the LHC and ILC. Furthermore, we also study the associated charged lepton flavor violating processes, dark matter phenomenology and cosmological constraints of these models.

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