Vacuum structure of Alternative Left-Right Model

Autor: Mariana Frank, Chayan Majumdar, Poulose Poulose, Supriya Senapati, Urjit A. Yajnik
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Journal of High Energy Physics, Vol 2022, Iss 3, Pp 1-30 (2022)
Druh dokumentu: article
ISSN: 1029-8479
DOI: 10.1007/JHEP03(2022)065
Popis: Abstract We investigate an Alternative Left-Right Model (ALRM) with SU(2) L as well as SU(2) R gauge groups, but unlike the traditional left-right symmetric models (LRSM) is not symmetric under the exchange of the fermion content. Interestingly, it can be embedded in E 6, while its low energy Higgs structure resembles the LRSM, involving Higgs doublets χ L,R and one Higgs bidoublet Φ. We analyze the scalar potential and the vacuum structure of the theory analytically to ensure the stability of scalar potential via bounded from below (BFB) and copositivity criteria, accompanied by a numerical study. We establish the necessary criteria for electric charge-preserving vacua, yielding constraints on various coupling parameters of the theory. Finally we obtain constraints on the parameters of the model from collider data on the masses of the Higgs scalars.
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