The Origin of the Difference between Multiplicities in e+e- Annihilation and Heavy Ion Collisions

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Multiplicities in e+e- annihilation and relativistic heavy ion collisions show remarkable similarities at high energies. A thermal-statistical model is proposed to explain the differences which occur mainly at low beam energies. Two different calculations are performed, one using an approximate thermodynamic relationship, the other using a full thermal model code. The results are in qualitative agreement, suggesting that the interplay of baryon density and temperature tends to systematically suppress the total multiplicity at lower beam energies.
12 Pages, 4 Figures, Submitted to Physics Letters B

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Nuclear Theory, High Energy Physics - Phenomenology, Nuclear Experiment

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http://salesiana.dossiersoluciones.com/handle/123456789/82457

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0506027
 http://arxiv.org/abs/nucl-th/0506027

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arXiv