Nucleon Structure in Lattice QCD using twisted mass fermions
C. Alexandrou (Univ. of Cyprus, Cyprus Instit.), M. Constantinou, (Univ. of Cyprus), T Korzec (Humboldt Univ. Berlin), J. Carbonell (Univ. of, Grenoble), P. A. Harraud (Univ. of Grenoble), M. Papinutto (Univ.of, Grenoble), P. Guichon (Saclay), K. Jansen (DESY-Zeuthen)
TL;DR
This paper reports on lattice QCD calculations of nucleon form factors and generalized parton distribution moments using twisted mass fermions, analyzing lattice artifacts and comparing with other schemes and experimental data.
Contribution
It introduces the use of twisted mass fermions for nucleon structure calculations and systematically examines lattice artifacts across different parameters.
Findings
Results are consistent with experimental data.
Lattice artifacts are quantified and minimized.
Comparison with other discretization schemes shows good agreement.
Abstract
We present results on the nucleon form factors and moments of generalized parton distributions obtained within the twisted mass formulation of lattice QCD. We include a discussion of lattice artifacts by examining results at different volumes and lattice spacings. We compare our results with those obtained using different discretization schemes and to experiment.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research