Gluonia, Scalar and Hybrid Mesons in QCD

Abstract

For some experimental guidelines of the next millenium, I review the determinations of the masses, decays and mixings of the gluonia, scalar and hybrid mesons from QCD spectral sum rules and low-energy theorems, and compare them with the lattice.

Latex2e sources 10 pages. Plenary talk given at Hadrons 99 (Beijing)

Cited by in corpus (30)

• Glueballs, Hybrids, Multiquarks. Experimental facts versus QCD inspired concepts
• The Physics of Glueballs
• QCD Tests of the Puzzling Scalar Mesons
• The Status of Exotic-quantum-number Mesons
• Lattice calculation of $1^{-+}$ hybrid mesons with improved Kogut-Susskind fermions
• Analysis of U${}_A$(1) symmetry-breaking and restoration effects on the scalar-pseudoscalar spectrum
• 1^{-+} light exotic mesons in QCD
• New QCD estimate of the kaon penguin matrix elements and epsilon'/epsilon
• Gluonium nature of the sigma/f_0(600) from its coupling to KK
• sigma and f_0(980) substructures from gamma-gamma to pi-pi, J/psi, phi radiative and D_s semi-leptonic decays
• The sigma and f_0(980) from Ke4 + pi-pi scatterings data
• Improved Determination of the Mass of the $1^{-+}$ Light Hybrid Meson From QCD Sum Rules
• Coupling $g_{f_0{K}^{+}{K}^{-}}$ and the structure of $f_0(980)$
• Scalar Mesons in QCD
• Light scalar mesons in QCD
• Scalar mesons and the muon anomaly
• Glueballs and Mesons: the Ground States
• The scalar glueball spectrum
• The Glueball Spectrum from a Potential Model
• Revisiting the b1 pi and rho pi decay modes of the 1-+ light hybrid state with light-cone QCD sum rules
• Tests of the nature and of the gluon content of the σ(0.6) from D and D_{s} semileptonic decays
• Di-Gluonium Sum Rules, I = 0 Scalar Mesons and Conformal Anomaly
• $U_A(1)$ Symmetry Breaking and the Scalar Sector of QCD
• Scalar mesons: in search of the lightest glueball
• Scalar mesons in QCD and tests of the gluon content of the sigma
• Radiative correction of the correlator for (0^{++},1${}^{-+}$) light hybrid
• V-A hadronic tau decays : a QCD laboratory
• Instanton Effects in QCD Sum Rules for the $0^{++}$ Hybrid
• Proper constituent gluon mass as the final piece to construct hybrid mesons
• Scalar meson production in nucleon-nucleon collisions near threshold