Probing hadron wave functions in Lattice QCD
C. Alexandrou (Univ. of Cyprus), Ph. de Forcrand (ETH-Zurich, CERN), and A. Tsapalis (Univ. of Wuppertal)
TL;DR
This paper uses lattice QCD to compute gauge-invariant correlation functions, revealing insights into the shape and multipole moments of hadrons like the pion, rho, nucleon, and delta.
Contribution
It introduces lattice QCD calculations of gauge-invariant correlators for hadron shape analysis, including both quenched and dynamical quark scenarios.
Findings
Correlators provide detailed hadron shape information.
Results include multipole moments of various hadrons.
Comparison between quenched and dynamical quark effects.
Abstract
Gauge-invariant equal-time correlation functions are calculated in lattice QCD within the quenched approximation and with two dynamical quark species. These correlators provide information on the shape and multipole moments of the pion, the rho, the nucleon and the .
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