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Local duality constraints on scalar gluonium

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Zeitschrift für Physik C Particles and Fields

Abstract

We study O++ (gg) channel in the framework of the Gauss-Weierstrass QCD sum rules. The results of this analysis definitely support the existence of a scalar gluonium bound state. Concerning the parameters of such a state, the case of a light and very narrow glueball turns out to be strongly favoured over that of a heavy and broad resonance.

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Author notes

  1. C. A. Dominguez

    Present address: Facultad de Fisica, Pontificia Universidad Catolica de Chile, Santiago, Chile

Authors and Affiliations

  1. International Centre for Theoretical Physics, I-34014, Trieste, Italy

    C. A. Dominguez

  2. Dipartimento di Fisica Teorica, Università di Trieste, and Scuola Internazionale Superiore di Studi Avanzati, I-34014, Trieste, Italy

    N. Paver

Authors
  1. C. A. Dominguez
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  2. N. Paver
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supported by INFN (Istituto Nazionale di Fisica Nucleare) Sezione di Trieste and by MPI (Ministero della Pubblica Istruzione)

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Dominguez, C.A., Paver, N. Local duality constraints on scalar gluonium. Z. Phys. C - Particles and Fields 31, 591–602 (1986). https://doi.org/10.1007/BF01551083

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  • DOI: https://doi.org/10.1007/BF01551083

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