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Freeze-out properties of multifragmentation events

Abstract : Freeze-out properties of multifragmentation events produced in central 129Xe+natSn collisions at different beam energies (32, 39, 45 and 50 AMeV) were estimated by means of a simulation based on the experimental data collected by the 4π INDRA multidetector. A rapid increase (between 32 and 45 AMeV) of the fraction of particles emitted at freeze-out is deduced. The existence of a limitation of excitation energy for fragments around 3.0-3.5 AMeV is confirmed. A comparison with the results of a microcanonical statistical model is also performed to verify the overall physical coherence of the present approach.
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Submitted on : Monday, June 30, 2008 - 8:59:06 AM
Last modification on : Wednesday, September 16, 2020 - 4:08:37 PM



S. Piantelli, B. Borderie, E. Bonnet, N. Le Neindre, Ad. R. Raduta, et al.. Freeze-out properties of multifragmentation events. Nuclear Physics A, Elsevier, 2008, 809, pp.111-128. ⟨10.1016/j.nuclphysa.2008.06.004⟩. ⟨in2p3-00291789⟩



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