2006/09/20 by Michael S. Chanowitz, MICHAEL CHANOWITZ · 1 citation
Physics and Astronomy · #Amplitude #Glueball #Ground state #High-Energy Particle Collisions Research #Meson #Mixing (physics) #Particle physics theoretical and experimental studies #Perturbation (astronomy) #Quantum Chromodynamics and Particle Interactions #Radiative transfer #Scalar (mathematics) #hep-ph
paper · pdf · doi:10.1142/s0217751x06034719
published as Int.J.Mod.Phys.A21:5535-5542,2006 · 10 pages, talk presented at CHARM 2006, Beijing IHEP, June 5-7, 2006, to be published in the proceedings
arxiv created 2006/09/20 · openalex publication_date 2006/10/30 · arxiv updated 2014/11/17 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The search for the ground state scalar glueball G 0 is reviewed. Spin zero glueballs will have unique dynamical properties if the [Formula: see text] amplitude is suppressed by chiral symmetry, as it is to all orders in perturbation theory: for instance, mixing of G 0 with [Formula: see text] mesons would be suppressed, radiative Ψ decay would be a filter for new physics in the spin zero channel, and the decay [Formula: see text] could be enhanced relative to G 0 → ππ. These properties are consistent with the identification of f 0 (1710) as the largely unmixed ground state scalar glueball, while recent BES data implies that f 0 (1500) does not contain the dominant glueball admixture. Three hypotheses are discussed: that G 0 is 1) predominantly f 0 (1500) or 2) predominantly f 0 (1710) or 3) is strongly mixed between f 0 (1500) and f 0 (1710).