Dark SU(2) Stueckelberg portal

Lyubovitskij, Valery E.; Zhevlakov, Alexey S.; Kachanovich, Aliaksei; Kuleshov, Serguei (2023) Dark SU(2) Stueckelberg portal. Physical Review D, 107 (5). ISSN 2470-0029

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Abstract

We study the non-Abelian SU(2)D extension of the U(1)D Stueckelberg portal, which plays the role of mediator between the Standard Model (SM) and dark sector. This portal is specified by the Stueckelberg mechanism for generation of dark gauge boson masses. The proposed U(1)D x SU(2)D Stueckelberg portal has a connection with SM matter fields, in analogy with the familon model. We derive bounds on the couplings of dark portal bosons and SM particles, which govern diagonal and nondiagonal flavor transitions of quarks and leptons.

Item Type:	Article
Uncontrolled Keywords:	Hypothetical particle physics models; Particle dark matter; Phenomenology
Subjects:	NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions:	Theoretical Physics Division
Depositing User:	Josipa Karadžole
Date Deposited:	24 Mar 2026 09:22
URI:	http://fulir.irb.hr/id/eprint/11417
DOI:	10.1103/physrevd.107.055006

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