Study the impact of polarized background fields on coupling constants in EIC and EicC

TL;DR

This paper investigates how polarized background fields affect coupling constants and proposes measurable effects at EIC and EicC using the Bethe-Heitler process.

Contribution

It quantifies the influence of polarized background fields on coupling constants and suggests experimental measurement methods at future colliders.

Findings

Polarized background fields alter coupling constants.

Bethe-Heitler process can be used to measure these effects.

Quantitative estimates of the impact are provided.

Abstract

In the polarized background field, the coupling constant will be influenced. We quantify this effect and propose that it can be measured at the EIC and EicC through the Bethe-Heitler process.