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Collective flow in nuclear fragmentation induced by 4.4 GeV deuteron on gold target |
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| Authors: | V. A. Karnaukhov S. P. Avdeyev H. Oeschler V. V. Kirakosyan P. A. Rukoyatkin A. Budzanowski W. Karcz E. Norbeck A. S. Botvina |
| Affiliation: | 1.Joint Institute for Nuclear Research,Dubna,Russia;2.Institut für Kernphysik,Darmstadt University of Technology,Darmstadt,Germany;3.H. Niewodniczanski Institute of Nuclear Physics,Cracow,Poland;4.University of Iowa,Iowa City,USA;5.GSI,Darmstadt,Germany |
| Abstract: | Nuclear multifragmentation in d (4.4 GeV) + Au collision was studied with the 4π setup FASA installed at the external beam of the Dubna Nuclotron. Data obtained are analyzed within the statistical model of multifragmentation. It is found that the kinetic energy spectra of intermediate mass fragments deviate from the predicted ones. It is explained by the collective flow caused by the thermal expansion of fragmenting nucleus. |
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