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Statistical hadronization and hadronic microcanonical ensemble I

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Abstract.

We present a full treatment of the microcanonical ensemble of the ideal hadron-resonance gas starting from a quantum-mechanical formulation which is appropriate for the statistical model of hadronization. By using a suitable transition operator for hadronization we are able to recover the results of the statistical theory, particularly the expressions of the rates of different channels. Explicit formulae are obtained for the phase space volume or density of states of the ideal relativistic gas in quantum statistics as a cluster decomposition, generalizing previous ones in the literature. The problem of the computation of averages in the hadron gas microcanonical ensemble and the comparison with canonical ones will be the main subject of a forthcoming second paper.

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Authors and Affiliations

  1. Universitá di Firenze and INFN Sezione di Firenze, Florence, Italy

    F. Becattini & L. Ferroni

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  1. F. Becattini
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  2. L. Ferroni
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Received: 8 July 2003, Revised: 17 October 2003, Published online: 5 May 2004

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Becattini, F., Ferroni, L. Statistical hadronization and hadronic microcanonical ensemble I. Eur. Phys. J. C 35, 243–258 (2004). https://doi.org/10.1140/epjc/s2004-01850-1

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  • DOI: https://doi.org/10.1140/epjc/s2004-01850-1

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