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Bose-Einstein correlations in thermal field theory |
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| Authors: | P. A. Henning Ch. Hölbling M. Blasone L. V. Razumov |
| Affiliation: | 1. Gesellschaft für Schwerionenforschung GSI, P.O. Box 110552, D-64220, Darmstadt, Germany 2. Institut für Kernphysik der TH Darmstadt, Schlo?gartenstra?e 9, D-64289, Darmstadt, Germany 3. Dipartimento di Fisica dell’ Università and INFN, Gruppo Collegato, I-84100, Salerno, Italy |
| Abstract: | Two-particle correlation functions are calculated for bosons emitted from a localized thermal source (the “glow” of a “hot spot”). In contrast to existing work, non-equilibrium effects up to first order in gradients of the particle distribution function are taken into account. The spectral width of the bosons is shown to be an important quantity: if it is too small, they do not equilibrate locally and therefore strongly increase the measured correlation radius. |
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