EQUATION OF STATE OF HOT NUCLEI BEFORE BREAK-UP |
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| Authors: | ZHANG Dong ZHANG Xiao-Ze JIN Xing-Nan SA Ben-Hao |
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| Affiliation: | Institute of Low Energy Nuclear Physics Beijing Normal UniversityInstitute of Atomic Energy,Beijing China |
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| Abstract: | Following the method developed by the authors,recently,the equation of state of hot nuclei(238U in concrete) before break-up was investigated numerically.The isotherms are drawn in the plan of the general pressure P versus volume VRT. They are similar to those of Van der Waals gas.The critical temperature of phase transition should correspond to the isotherm with one turning point only.It turns out that the data of mass yield distribution can be reproduced by many pairs of parameters T and VRT (freeze-out temperature and freeze-out volume) varying in certain range.For each isotherm (each T),the data are always best reproduced by the value of VRT located at the maximum general pressure within two phases coexistence region. |
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