Abstract
We show that the process of evolution of hadronic matter into eventual ‘particlization’ can be accounted for within a framework that recently led us to a rather unconventional explanation of the solar emission lines in the soft X-ray region. Specifically, we attempt a microscopic description of meson formation in a macroscopic background by using the 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 in the ladder and instantaneous approximations and solved numerically to yield bound-state spectra of the bb and cc systems. Our results are in reasonably good agreement with the observed masses of the Upsilonium and the Charmonium families.
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Kumar Jha, R., Malik, G. & Varma, V.S. Temperature-Dependent Dynamics of Confinement. Astrophysics and Space Science 249, 151–159 (1997). https://doi.org/10.1023/A:1000303329352
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DOI: https://doi.org/10.1023/A:1000303329352