Pion electromagnetic form-factor with domain wall fermions

TL;DR

This paper investigates the pion electromagnetic form-factor using quenched domain wall fermions and an improved gauge action, finding minimal quark mass dependence at finite momentum transfers, motivated by recent experimental measurements.

Contribution

It introduces a study of the pion form-factor with quenched domain wall fermions and a specific gauge action, providing new insights into quark mass effects.

Findings

Quark mass dependence of the form-factor is small.

The study uses quenched domain wall fermions with DBW2 gauge action.

Results are motivated by recent J-Lab measurements.

Abstract

Motivated by recent measurements at J-Lab, the pion electromagnetic form-factor is investigated with quenched domain wall fermions and a renormalization group improved gauge action called DBW2. We see that quark mass dependence of the form-factor with finite momentum transfers is rather small.