Perturbative unitarity constraints on generic vector interactions
High Energy Physics - Phenomenology
2023-09-20 v2
Abstract
We study perturbative unitarity constraints on generic interactions between fermion and vector fields, which are allowed to have generic quantum numbers under a group. We derive compact expressions for the bounds on the couplings for the cases where the fields transform under the trivial, fundamental or adjoint representation of the various, considering both the case of a complex vector arbitrary interactions with fermionic current and also the case of vectors arising as gauge fields. We apply our results to some specific NP models showing the constraints that can be derived using the tool of perturbative unitarity.
Cite
@article{arxiv.2306.11533,
title = {Perturbative unitarity constraints on generic vector interactions},
author = {Daniele Barducci and Marco Nardecchia and Claudio Toni},
journal= {arXiv preprint arXiv:2306.11533},
year = {2023}
}
Comments
26 pages, 8 figures, matches published version