Hunting the Scalar Glueball: Prospects for BES III

Abstract

The search for the ground state scalar glueball G_0 is reviewed. Spin zero glueballs will have unique dynamical properties if the <G_0|\bar qq> amplitude is suppressed by chiral symmetry, as it is to all orders in perturbation theory: for instance, mixing of G_0 with \bar qq mesons would be suppressed, radiative J/psi decay would be a filter for new physics in the spin zero channel, and the decay G_0 \to \bar KK could be enhanced relative to G_0 \to 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).

10 pages, talk presented at CHARM 2006, Beijing IHEP, June 5-7, 2006, to be published in the proceedings

References in corpus (4)

• Glueball Spectrum and Matrix Elements on Anisotropic Lattices
• Resonances in $J/\psi \to \varphi {\pi }^{+}{\pi }^{-}$ and $\varphi K^{+}{K}^{-}$
• Dalitz analysis of the three-body charmless decays B+=>K+Pi+Pi- and B+=>K+K+K-
• Chiral Suppression of Scalar Glueball Decay

Cited by in corpus (10)

• Exploring improved holographic theories for QCD: Part II
• The Physics of Glueballs
• Restoration of chiral and $U(1{)}_A$ symmetries in excited hadrons
• Holographic glueball structure
• Revisiting Scalar Glueballs
• A renormalization group invariant scalar glueball operator in the (Refined) Gribov-Zwanziger framework
• A purely algebraic construction of a gauge and renormalization group invariant scalar glueball operator
• Exclusive glueball production in high energy nucleus-nucleus collisions
• f_0(1710) production in exclusive B decays
• Low-lying exotic mesons in the coupled-channel formalism