Pion correlation functions in position space from chiral perturbation theory with resonance exchange
Peter C. Bruns
TL;DR
This paper derives explicit position-space pion correlators using Chiral Perturbation Theory, including resonance effects, to aid future lattice QCD studies of pion double parton distributions.
Contribution
It provides new explicit expressions for pion correlators in position space with resonance exchange, extending the applicability of ChPT.
Findings
Derived explicit position-space pion correlators
Included resonance exchange contributions
Facilitates future lattice QCD studies
Abstract
Explicit expressions for pion correlators are derived in position-space, employing Chiral Perturbation Theory (ChPT). Resonance exchange contributions are included to test the range of applicability of the leading-order ChPT expressions. The obtained results will be useful for a forthcoming Lattice-QCD study of double parton distributions in the pion.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research