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Evidence for a nuclear phase transition in target nuclei after relativistic nuclear interactions |
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| Authors: | A Dabrowska R Hołyński A Olszewski M Szarska A Trzupek B Wilczyńska H Wilczyński W Wolter B Wosiek K Woźniak K Zalewski M L Cherry W V Jones K Sengupta J P Wefel P S Freier C J Waddington |
| Institution: | 1. Institute of Nuclear Physics, Kawiory 26 A, PL 30-055, Kraków, Poland 3. Department of Physics and Astronomy, Louisiana State University, 70803, Baton Rouge, LA, USA 4. School of Physics and Astronomy, University of Minnesota, 55455, Minneapolis, MN, USA |
| Abstract: | The degree of excitation of the emulsion target nuclei due to nuclear interactions of oxygen and sulfur projectiles at 200 GeV/nucleon incident energy has been investigated. Using the plausible assumption that the numberN b of slow particles emitted from the struck target nucleus can be interpreted as a measure of the temperatureT of the residual nucleus, we have found that there exists a critical temperatureT c of the excited target nucleus. For Ag and Br target nuclei this temperature corresponds to <N b>≌12 and it is attained when the impact parameters are less than about 4 fm. |
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