A lattice calculation of the pion form factor with Ginsparg-Wilson-type fermions
Stefano Capitani, Christof Gattringer, C. B. Lang
TL;DR
This paper presents lattice QCD calculations of the pion's electromagnetic form factors using Ginsparg-Wilson-type fermions, exploring different lattice volumes and pion masses to improve understanding of pion structure.
Contribution
It introduces a lattice calculation of pion form factors employing Ginsparg-Wilson fermions with varied lattice sizes and pion masses, enhancing previous computational approaches.
Findings
Pion form factors determined in the space-like region.
Calculations performed at pion masses down to 340 MeV.
Results obtained for multiple lattice volumes.
Abstract
Results for Monte Carlo calculations of the electromagnetic vector and scalar form factors of the pion in a quenched simulation are presented. We work with two different lattice volumes up to a spatial size of 2.4 fm at a lattice spacing of 0.148 fm. The pion form factors in the space-like region are determined for pion masses down to 340 MeV.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Nuclear physics research studies · Superconducting Materials and Applications