Mass of Pseudoscalar Gluonium: A Higher-Loop QCD Sum-Rule Estimate

Details Mass of Pseudoscalar Gluonium: A Higher-Loop QCD Sum-Rule Estimate Mass of Pseudoscalar Gluonium: A Higher-Loop QCD Sum-Rule Estimate

1992-06-25

arxiv.org/abs/hep-ph/9206248v1

Phys.Lett. B296 (1992) 171-178

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pgs., 7 figs. (not included--available on request) WATPHYS TH-92/05

Scientific paper

10.1016/0370-2693(92)90822-L

Higher-loop corrections to the pseudoscalar ($0^{-+}$) gluonium correlation function will be used to obtain the leading gluon condensate contributions to the subtraction-independent QCD sum-rules. The effect of these higher-loop corrections on the sum-rule estimates of the pseudoscalar gluonium mass will be investigated. The final results of this analysis compare favourably with $SU(3)$ lattice simulations.

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