Hadron masses in QCD with one quark flavour
F. Farchioni, I. Montvay, G. M\"unster, E.E. Scholz, T. Sudmann, J., Wuilloud
TL;DR
This study uses Monte Carlo simulations to explore the mass spectrum of hadronic bound states in one-flavour QCD, providing insights into its non-perturbative properties at different lattice spacings.
Contribution
It presents the first detailed lattice QCD analysis of hadron masses in one-flavour QCD with specific lattice parameters and actions, expanding understanding of this simplified gauge theory.
Findings
Mass spectrum of hadronic states determined
Comparison across two lattice spacings performed
Results contribute to understanding of non-perturbative QCD in one-flavour case
Abstract
One-flavour QCD - a gauge theory with SU(3) colour gauge group and a fermion in the fundamental representation - is studied by Monte Carlo simulations. The mass spectrum of hadronic bound states is investigated in a volume with extensions of L ~ 4.4r_0 (~2.2fm) at two different lattice spacings: a ~ 0.37r_0 (~0.19fm) and a ~ 0.27r_0 (~0.13fm). The lattice action is Symanzik tree-level-improved Wilson action for the gauge field and (unimproved) Wilson action for the fermion.
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