Physical Baryon Resonance Spectroscopy from Lattice QCD
D. Morel, B. Crouch, D.B. Leinweber, A.W. Thomas
TL;DR
This paper combines lattice QCD calculations with chiral effective field theory to study excited baryon masses, focusing on P-wave contributions to nucleon and delta resonances.
Contribution
It introduces a novel approach integrating lattice QCD with finite-range regulated chiral EFT for baryon spectroscopy.
Findings
Agreement with experimental baryon masses
Insights into P-wave contributions to resonances
Enhanced understanding of excited baryon structure
Abstract
We complement recent advances in the calculation of the masses of excited baryons in quenched lattice QCD with finite-range regulated chiral effective field theory enabling contact with the physical quark mass region. We examine the P-wave contributions to the low-lying nucleon and delta resonances.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Cold Atom Physics and Bose-Einstein Condensates · Physics of Superconductivity and Magnetism