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Abstract:
The two-point function of the 0++ three-gluon scalar current is calculated in including not only the perturbative contribution but also the nonperturbative ones resulted from condensates of dimensions up to six. In a typical "resonance plus continuum" model of the spectral function of the current, the quantum chromodynamics sum rules for the 0++ three-gluon scalar glueball are deduced, and the mass of that glueball is determined to be approximately 1.45GeV.
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