Interplay of quark and meson degrees of freedom in a near-threshold resonance: Multi-channel case View Full Text


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Article Info

DATE

2011-08-25

AUTHORS

C. Hanhart, Yu. S. Kalashnikova, A. V. Nefediev

ABSTRACT

We investigate the interplay of quark and meson degrees of freedom in a physical state representing a near-threshold resonance for the case of multiple continuum channels. The aim is to demonstrate the full complexity of possible near-threshold phenomena. It turns out that those are especially rich, if both quark and meson dynamics generate simultaneously weakly coupled near-threshold poles in the S-matrix. We study the properties of this scenario in detail, such as t-matrix and production amplitude zeros, as well as various effects of the continuum channels interplay. More... »

PAGES

101

References to SciGraph publications

  • 2010-09-25. Quark and meson degrees of freedom in the X(3872) charmonium in PHYSICS OF ATOMIC NUCLEI
  • 2010-02-20. Interplay of quark and meson degrees of freedom in a near-threshold resonance in THE EUROPEAN PHYSICAL JOURNAL A
  • 2005-01-03. Flatté-like distributions and the a0(980)/f0(980) mesons in THE EUROPEAN PHYSICAL JOURNAL A
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1140/epja/i2011-11101-9

    DOI

    http://dx.doi.org/10.1140/epja/i2011-11101-9

    DIMENSIONS

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