2010/05/31 by Christopher M. Richards, Alan C. Irving, A.C. Irving +2
Physics and Astronomy · #Fermion #Glueball #High-Energy Particle Collisions Research #Lattice (music) #Meson #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Pion #Pseudoscalar #Quantum Chromodynamics and Particle Interactions #Scalar (mathematics) #hep-lat #hep-ph
paper · pdf · doi:10.1103/physrevd.82.034501
published as Phys.Rev.D82:034501,2010 · 22 pages, 19 figures and 8 tables, minor additions on mixing post-referee
arxiv created 2010/07/30 · openalex publication_date 2010/08/02 · arxiv updated 2015/03/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We present the first 2+1 flavor spectrum measurements of glueball states using high statistics simulations with improved staggered fermions. We find a spectrum consistent with quenched measurements of scalar, pseudoscalar, and tensor glueball states. The measurements were made using 5000 configurations at a lattice spacing of 0.123 fm and pion mass of 280 MeV and 3000 configurations at 0.092 fm with a pion mass of 360 MeV. We see some evidence of coupling to 2\ensuremathπ states. We compare our results with the experimental glueball candidate spectrum as well as quenched glueball estimates.