2010/02/28 by W. Bietenholz, Wolfgang Bietenholz, M. Göckeler +6 · 25 citations
Mathematics · Physics and Astronomy · #Chiral perturbation theory #Fermion #High-Energy Particle Collisions Research #Mass gap #Mathematics #Particle physics #Particle physics theoretical and experimental studies #Perturbation theory (quantum mechanics) #Physics #Pion #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quark #Residual #hep-lat #hep-ph #hep-th #nucl-th
paper · pdf · doi:10.1016/j.physletb.2010.03.063
published in Physics Letters B 687(4-5), 410-414 (Elsevier BV) · Published version (Phys. Lett. B687 (2010) 410), appended by some additional derivations; 11 pages, 6 figures
openalex publication_date 2010/03/26 · arxiv created 2010/04/15 · arxiv updated 2010/04/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The residual mass of the pion in a finite spatial box at vanishing quark masses, the mass gap, is computed with two flavors of dynamical clover fermions. The result is compared with predictions of chiral perturbation theory in the δ regime.