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 (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.
- Authors:
-
- 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:
- 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.
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
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.
@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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