Two photon decay of the glueball and scalar isoscalar mesons in a scaled NJL model

1997/12/08 by M. Jaminon, Martine Jaminon, B. Van den Bossche +1 · 6 citations
Physics and Astronomy · #Anomaly (physics) #Coupling constant #Glueball #High-Energy Particle Collisions Research #Isoscalar #Meson #Mixing (physics) #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Photon #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Quark #Scalar (mathematics) #nucl-th

paper · pdf · doi:10.1016/s0375-9474(98)00201-2

published in Nuclear Physics A 636(1), 113-126 (Elsevier BV) · Latex file, 16 pages, 7 figures, uses psfig

arxiv created 1997/12/08 · openalex publication_date 1998/06/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We use a modified version of the Nambu--Jona-Lasinio model which implements the QCD trace anomaly to calculate the two photons decay width of the glueball (f₀(1500)) and of the two scalar mesons (f₀(1370), f_J=0(1710)) to which it is mixed. We investigate the effect of this mixing over the coupling constants of the f₀ states to the quarks.

Citations

• The resonance : Is it a scalar glueball?
• A comprehensive lattice study of SU(3) glueballs
• Numerical Evidence for the Observation of a Scalar Glueball
• An effective Lagrangian with broken scale and chiral symmetry II: pion phenomenology
• Two-photon decays of mesons in a relativistic quark model
• Baryon density and the dilated chiral quark model