Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L

Carlos Alvarado (Center of High Energy Physics, Tsinghua University, Beijing, China) ; Cesar Bonilla (Departamento de Física, Universidad Católica del Norte, Antofagasta, Chile) ; Julio Leite (Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil) ; José W.F. Valle (AHEP Group, Institut de Física Corpuscular – C.S.I.C., Universitat de València, Parc Científic de Paterna, Paterna (Valencia), Spain)

We analyze a model with unbroken U(1)BL gauge symmetry where neutrino masses are generated at one loop, after spontaneous breaking of a global U(1)G symmetry. These symmetries ensure dark matter (DM) stability and the Diracness of neutrinos. Within this context, we examine fermionic dark matter. Consistency between the required neutrino mass and the observed relic abundance indicates dark matter masses and couplings within the reach of direct detection experiments.

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      "title": "Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L"
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      "value": "We analyze a model with unbroken <math><mi>U</mi><msub><mrow><mo>(</mo><mn>1</mn><mo>)</mo></mrow><mrow><mi>B</mi><mo>\u2212</mo><mi>L</mi></mrow></msub></math> gauge symmetry where neutrino masses are generated at one loop, after spontaneous breaking of a global <math><mi>U</mi><msub><mrow><mo>(</mo><mn>1</mn><mo>)</mo></mrow><mrow><mi>G</mi></mrow></msub></math> symmetry. These symmetries ensure dark matter (DM) stability and the Diracness of neutrinos. Within this context, we examine fermionic dark matter. Consistency between the required neutrino mass and the observed relic abundance indicates dark matter masses and couplings within the reach of direct detection experiments."
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Published on:
15 April 2021
Publisher:
Elsevier
Published in:
Physics Letters B , Volume 817 C (2021)

Article ID: 136292
DOI:
https://doi.org/10.1016/j.physletb.2021.136292
Copyrights:
The Author(s)
Licence:
CC-BY-3.0

Fulltext files: