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Continuous decoupling of dynamically expanding systems

✍ Scribed by Jörn Knoll

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
288 KB
Volume
821
Category
Article
ISSN
0375-9474

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✦ Synopsis

The question of decoupling and freeze-out is reinvestigated and analysed in terms of transparent semiclassical decoupling formulae which provide a smooth decoupling in time both, for single and two particle inclusive spectra. They generalise frequently employed instantaneous freeze-out procedures and provide simple relations between the damping width and the duration of the decoupling process. The implications on physical phenomena arising from the expansion and decay dynamics of the highly compressed hadronic matter generated in high energy nuclear collisions are discussed.

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