Light hadron spectroscopy in quenched QCD with overlap fermions
Ronald Babich (1), Federico Berruto (2), Nicolas Garron (3), Christian, Hoelbling (4), Joseph Howard (1), Laurent Lellouch (5), Claudio Rebbi (1),, Noam Shoresh (6) ((1) Boston University, (2) BNL, (3) DESY Zeuthen, (4), Wuppertal, (5) CPT Marseille, (6) Harvard University)
TL;DR
This paper presents a lattice QCD study using overlap fermions to compute meson and baryon properties, providing insights into hadron spectroscopy in the quenched approximation.
Contribution
It introduces results for hadron masses, wave functions, and decay constants using overlap fermions in quenched QCD, along with methodological details.
Findings
Meson masses and decay constants computed
Baryon masses and propagators analyzed
Wave functions of mesons characterized
Abstract
A simulation of quenched QCD with the overlap Dirac operator has been carried out using 100 Wilson gauge configurations at beta = 6 on an 18^3 x 64 lattice and at beta = 5.85 on a 14^3 x 48 lattice. Here we present results for meson masses, meson final state "wave functions," decay constants, and other observables, as well as details on our algorithmic and data analysis techniques. We also summarize results for baryon masses and quark and diquark propagators in the Landau gauge.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research