Magnetic Moments of Negative-Parity Baryons from Lattice QCD
Frank X. Lee, Andrei Alexandru
TL;DR
This study uses lattice QCD simulations to calculate the magnetic moments of negative-parity baryons, providing preliminary insights into their properties and comparing results with theoretical models.
Contribution
First lattice QCD calculations of negative-parity baryon magnetic moments using quenched Wilson lattices at specified parameters.
Findings
Signals for negative-parity states are observed.
The sign of their magnetic moments is determined.
Results are compared with existing models.
Abstract
We report preliminary results for the magnetic moments of negative-parity baryons extracted from mass shifts in the presence of static external magnetic fields. The calculations are done on quenched lattices using standard Wilson actions, with =6.0 and pion mass down to about 520 MeV, and 1000 configurations. Reasonable signals for the negative-parity states are observed and the sign of their magnetic moments is established. The results are compared to model calculations.
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