Matthias F. M. Lutz

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hep-lat2025

The axial-vector form factor of the nucleon in a finite box

Felix Hermsen, Tobias Isken, Matthias F. M. Lutz +1

We consider the axial-vector form factor of the nucleon in a finite box. Starting from the chiral Lagrangian with nucleon and Delta-isobar degrees of freedom, we address, at the on…

hep-lat2024

QCD in the chiral SU(3) limit from baryon masses on Lattice QCD ensembles

Matthias F. M. Lutz, Yonggoo Heo, Renwick J. Hudspith

The baryon masses on CLS ensembles are used to determine the LEC that characterize QCD in the flavor-SU(3) limit with vanishing up, down, and strange quark masses. Here we reevalua…

hep-lat2024

Precise Omega baryons from lattice QCD

Renwick J. Hudspith, Matthias F. M. Lutz, Daniel Mohler

In this paper we determine the masses of $I (J^{P}) = 0 (3/ 2^{+})$ and $0 (3/ 2^{-})$ $Ω$ -baryon ground states using lattice QCD. We utilise Wilson-clover ensembles with…