Measurement of complex fragments and clues to the entropy production from 42-137-MeV/nucleon Ar + Au

Intermediate-rapidity fragments with A=1-14 emitted from 42-137-MeV/nucleon Ar + Au have been measured. Evidence is presented that these fragments arise from a common moving source. Entropy values are extracted from the 
Intermediate-rapidity fragments with A=1-14 emitted from 42-137-MeV/nucleon Ar + Au have been measured. Evidence is presented that these fragments arise from a common moving source. Entropy values are extracted from the mass distributions by use of quantum statistical and Hauser-Feshbach theories. The extracted entropy values of S/A≈2-2.4 are much smaller than the values expected from measured deuteron-to-proton ratios, but are still considerably higher than theoretically predicted values.
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Metadaten
Author:B. V. Jacak, G. D. Westfall, C. K. Gelbke, L.H. Harwood, W. G. Lynch, D.K. Scott, Horst Stöcker, M.B. Tsang, T. J. M. Symons
URN:urn:nbn:de:hebis:30-27812
Document Type:Article
Language:English
Date of Publication (online):2006/06/13
Year of first Publication:1983
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/06/13
Source:Phys. Rev. Lett. 51, 1846-1849 (1983), ©1983 The American Physical Society, http://link.aps.org/abstract/PRL/v51/p1846
HeBIS PPN:187232083
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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