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  • PACS:12.40.-y Other models for strong interactions  (2)
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  • 1
    ISSN: 1434-601X
    Keywords: PACS:12.40.-y Other models for strong interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We assume that high-energy nucleus-nucleus interactions give rise to a hot and dense plasma comprising quarks and gluons due to successive nucleon-nucleon collisions. We treat this plasma as an ideal fluid at temperature T prior to its eventual particlization, and attempt a microscopic description of meson-formation by using finite temperature propagators for q and ¯q in a Bethe-Salpeter equation with a Coulomb plus a linear kernel. The equation thus obtained is reduced to a Schrodinger-like equation which then yields, for 0 〈 T 〈 86 MeV, the bound state masses for different states of b¯b and c¯c, which are in agreement with the experimental values for these states. The effects of the temperature of the plasma on the meson masses show up only when the temperature exceeds 86 MeV, pointing to the probable reason for the successes of the earlier models which did not explicitly take the temperature of the plasma into account.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Keywords: PACS:12.40.-y Other models for strong interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The study of meson formation in quark-gluon plasma using a temperature-dependent Bethe-Salpeter formalism presented earlier, is now extended to a logarithmic and a combination of a Coulomb plus a square-root kernel. We are able to get good fits to the meson masses with both kinds of kernels and our present results are qualitatively similar to those obtained for the Coulomb plus a linear kernel.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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