String Fields and the Standard Model

TL;DR

This paper explores how string theory effects, via a generalized Cremmer-Scherk mechanism, could influence mass generation of electroweak bosons and impact experimental measurements like the Weinberg angle.

Contribution

It extends the Cremmer-Scherk mechanism to non-Abelian fields within the Standard Model context, suggesting string-induced effects may affect electroweak symmetry breaking.

Findings

String fields may contribute to vector boson mass generation.

String-induced radiative corrections could alter the Weinberg angle.

Future experiments should consider string effects beyond the Standard Model.

Abstract

The Cremmer-Scherk mechanism is generalised in a non-Abelian context. In the presence of the Higgs scalars of the standard model it is argued that fields arising from the low energy effective string action may contribute to the mass generation of the observed vector bosons that mediate the electroweak interactions and that future analyses of experimental data should consider the possibility of string induced radiative corrections to the Weinberg angle coming from physics beyond the standard model.