Glueball singularity, flavour loops and the Harari-Freund picture View Full Text


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Article Info

DATE

1979-09

AUTHORS

P. Aurenche, L. González Mestres

ABSTRACT

We discuss several points concerning the structure of the cylinder term in the dual topological expansion. Using dual field theory as a guide, we concentrate on the possibility of a two-singularity scheme à la Harari-Freund. We start from results obtained previously at the lowest order in ϱ=Nf/Nc and study what can be the role of flavour-loop corrections in the real world where ϱ∼1. It is argued that, in spite of the actual value of ϱ, precise mechanisms exist which can weaken the role of the flavour-loop corrections in the kinematical region where “soft” dynamics dominates. We also claim that theS-matrix at largeNc (ϱ≈-0) incorporates already many realistic features, and we refute some objections recently raised against the Harari-Freund picture. More... »

PAGES

307-320

References to SciGraph publications

  • 1975-06. Reggeometry in IL NUOVO CIMENTO A (1971-1996)
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf01440231

    DOI

    http://dx.doi.org/10.1007/bf01440231

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1041993931


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