Dark SU(2) Stueckelberg portal
Valery E. Lyubovitskij, Alexey S. Zhevlakov, Aliaksei Kachanovich,, Serguei Kuleshov
TL;DR
This paper explores a non-abelian SU(2)_D extension of the Stueckelberg portal, analyzing its role as a mediator between the Standard Model and Dark Sector, and deriving bounds on related couplings affecting flavor transitions.
Contribution
It introduces a novel SU(2)_D extension of the Stueckelberg portal and derives constraints on its couplings with Standard Model particles.
Findings
Derived bounds on dark portal boson couplings
Analyzed flavor transition effects in quarks and leptons
Connected the model with SM matter fields via a Familon-like mechanism
Abstract
We study the non-abelian extension of the Stueckelberg portal, which plays a role of the mediator between the Standard Model (SM) and Dark Sector (DS). This portal is specified by the Stueckelberg mechanism for generation of dark gauge boson masses. Proposed Stueckelberg portal has a connection with SM matter fields in analogy with Familon Model. We derive bounds on the couplings of dark portal bosons and SM particles, which govern diagonal and non-diagonal flavor transitions of quarks and leptons.
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Taxonomy
TopicsCosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena · Computational Physics and Python Applications