Rapidity dependence of entropy production in proton- and nucleus-induced reactions on heavy nuclei

The entropy of hot nuclear systems is deduced from the mass distribution of fragments emitted from high energy proton- and nucleus-induced reactions via a quantum statistical model. It is found that the entropy per baryo
The entropy of hot nuclear systems is deduced from the mass distribution of fragments emitted from high energy proton- and nucleus-induced reactions via a quantum statistical model. It is found that the entropy per baryon, S/A, of intermediate rapidity ("participant") fragments is higher than the entropy of target rapidity ("spectator") fragments. The spectator fragments exhibit S/A values of ≅ 1.8 independent of the projectile energy from 30 MeV/nucleon up to 350 GeV. This value of the entropy coincides with the entropy at which nuclear matter becomes unbound.
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Metadaten
Author:B. V. Jacak, Horst Stöcker, G. D. Westfall
URN:urn:nbn:de:hebis:30-27764
Document Type:Article
Language:English
Date of Publication (online):2006/06/13
Year of first Publication:1984
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/06/13
Source:Phys. Rev. C 29, 1744-1747 (1984), ©1984 The American Physical Society, http://link.aps.org/abstract/PRC/v29/p1744
HeBIS PPN:187239150
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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