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Light Fragments Production and Isospin Dependences in Sn+Ni and Sn+Al Central Collisions at 25 MeV/A and 35 MeV/A from REVERSE/ISOSPIN Experiments

Abstract : This paper presents the physical analysis results for the following reactions: 124Sn + 64Ni, 124Sn + 27Al, 124Sn + 58Ni at 35 MeV/A and 25 MeV/A. The main goal of this studies was to find observables sensitive to isospin effects and to present the similarities/differences between the systems characterised by various charge asymmetry factor, defined as I = (N-Z)/A. Theoretical simulations based on the Quantum Molecular Dynamics (QMD) model have been performed in order to compare them with the results of the analysis of experimental data. The first phase of the reaction was carried out with the code CHIMERA [1]. The sequential decay of hot fragments was simulated by the code COOLER [2]. The conclusions are as follows: there are observables sensitive to the isospin of the system, such as the Light Charged Particles (LCP) emission and their sensitivity is demonstrated more prominently in the analysis of central collisions at 35 MeV/A. The theoretical calculations do not reproduce these relations well.
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http://hal.in2p3.fr/in2p3-00463227
Contributor : Michel Lion <>
Submitted on : Thursday, March 11, 2010 - 3:39:15 PM
Last modification on : Thursday, February 1, 2018 - 1:34:24 AM

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  • HAL Id : in2p3-00463227, version 1

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K. Schmidt, A. Benisz, A. Bubak, A. Grzeszczuk, S. Kowalski, et al.. Light Fragments Production and Isospin Dependences in Sn+Ni and Sn+Al Central Collisions at 25 MeV/A and 35 MeV/A from REVERSE/ISOSPIN Experiments. The XXXI Mazurian Lakes Conference on Physics,, Aug 2009, Piaski, Poland. pp.387-392. ⟨in2p3-00463227⟩

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