Majorana fermion dark matter in minimally extended left-right symmetric model

Neves, M. J.; Okada, Nobuchika; Okada, Satomi

doi:10.1007/jhep09(2021)038

Title: Majorana fermion dark matter in minimally extended left-right symmetric model

Abstract

We present a minimal extension of the left-right symmetric model based on the gauge group SU(3)_c × SU(2)_L × SU(2)_R × U(1)_B–L × U(1)_X, in which a vector-like fermion pair (ζ_L and ζ_R) charged under the U(1)_B–L × U(1)X symmetry is introduced. Associated with the symmetry breaking of the gauge group SU(2)_R × U(1)_B–L × U(1)_X down to the Standard Model (SM) hypercharge U(1)_Y, Majorana masses for ζ_L,R are generated and the lightest mass eigenstate plays a role of the dark matter (DM) in our universe by its communication with the SM particles through a new neutral gauge boson “X”. We consider various phenomenological constraints of this DM scenario, such as the observed DM relic density, the LHC Run-2 constraints from the search for a narrow resonance, and the perturbativity of the gauge couplings below the Planck scale. Combining all constraints, we identify the allowed parameter region which turns out to be very narrow. A significant portion of the currently allowed parameter region will be tested by the High-Luminosity LHC experiments.

Authors:

Neves, M. J. ^[1]; Okada, Nobuchika ^[2]; Okada, Satomi ^[2]

Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy; Universidade Federal Rural do Rio de Janeiro (Brazil). Dept. de Física
Univ. of Alabama, Tuscaloosa, AL (United States). Dept. of Physics and Astronomy

Publication Date:: Tue Sep 07 00:00:00 EDT 2021

Research Org.:: Univ. of Alabama, Tuscaloosa, AL (United States)

Sponsoring Org.:: USDOE Office of Science (SC); Brazilian National Council for Scientific and Technological Development (CNPq)

OSTI Identifier:: 1851627

Grant/Contract Number:: SC0012447; 313467/2018-8

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 9; Journal ID: ISSN 1029-8479

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; physics; beyond standard model; cosmology of theories beyond the SM; GUT

Citation Formats


                    Neves, M. J., Okada, Nobuchika, and Okada, Satomi. Majorana fermion dark matter in minimally extended left-right symmetric model.  United States: N. p., 2021. 
Web.  doi:10.1007/jhep09(2021)038.

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                    Neves, M. J., Okada, Nobuchika, & Okada, Satomi. Majorana fermion dark matter in minimally extended left-right symmetric model.  United States.  https://doi.org/10.1007/jhep09(2021)038

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                    Neves, M. J., Okada, Nobuchika, and Okada, Satomi. Tue .  
"Majorana fermion dark matter in minimally extended left-right symmetric model".  United States.  https://doi.org/10.1007/jhep09(2021)038.  https://www.osti.gov/servlets/purl/1851627.

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@article{osti_1851627,

  title        = {Majorana fermion dark matter in minimally extended left-right symmetric model},

  author       = {Neves, M. J. and Okada, Nobuchika and Okada, Satomi},

  abstractNote = {We present a minimal extension of the left-right symmetric model based on the gauge group SU(3)c × SU(2)L × SU(2)R × U(1)B–L × U(1)X, in which a vector-like fermion pair (ζL and ζR) charged under the U(1)B–L × U(1)X symmetry is introduced. Associated with the symmetry breaking of the gauge group SU(2)R × U(1)B–L × U(1)X down to the Standard Model (SM) hypercharge U(1)Y, Majorana masses for ζL,R are generated and the lightest mass eigenstate plays a role of the dark matter (DM) in our universe by its communication with the SM particles through a new neutral gauge boson “X”. We consider various phenomenological constraints of this DM scenario, such as the observed DM relic density, the LHC Run-2 constraints from the search for a narrow resonance, and the perturbativity of the gauge couplings below the Planck scale. Combining all constraints, we identify the allowed parameter region which turns out to be very narrow. A significant portion of the currently allowed parameter region will be tested by the High-Luminosity LHC experiments.},

  doi          = {10.1007/jhep09(2021)038},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 9,

  volume       = 2021,

  place        = {United States},

  year         = {Tue Sep 07 00:00:00 EDT 2021},

  month        = {Tue Sep 07 00:00:00 EDT 2021}

}

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Title: Majorana fermion dark matter in minimally extended left-right symmetric model

Abstract

Citation Formats

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Mixed dark matter in left-right symmetric models
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Light Z′ and dark matter from U(1) gauge symmetry
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