U(1)_χ and Seesaw Dirac Neutrinos

2018/11/23 by Ernest Ma, Ma, Ernest · 1 citation
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies

paper · pdf · doi:10.48550/arxiv.1811.09645

openalex publication_date 2018/11/23 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28

Abstract

In the context of SO(10) → SU(5) × U(1)_χ, it is shown how seesaw Dirac neutrinos may be obtained. In this framework, U(1) lepton number is conserved, with which self-interaction dark matter with a light scalar dilepton mediator may be implemented. In addition, U(1) baryon number may be broken to (-1)^3B, thereby generating a baryon asymmetry of the Universe. The axionic solution to the strong CP problem may also be incorporated.

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• Theory and phenomenology of Dirac neutrinos

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