Liquid-Gas Coexistence Region in Central Xe+Sn Reactions

Abstract : Charge partitions and distributions of fragments emitted in multifragmentation of fused systems produced in central collisions are studied over the incident energy range 32-50 MeV per nucleon. Most of the charged products are well identified thanks to the high performances of the INDRA 4pi array. Supported by dynamical calculations, charge correlations are used t$ evidence, or not, spinodal instabilities and consequently the liquid-gas coexistence region over the considered incident energy range. It was claimed in the last few years that mass/charge distributions should follow a power law behavior in the coexistence region. The Z distributions measured are discussed. A first attempt is made to derive in which Z region the border between liquid and gas parts is located.
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https://hal.archives-ouvertes.fr/hal-00012241
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Soumis le : mardi 18 octobre 2005 - 14:38:49
Dernière modification le : mardi 19 février 2019 - 11:16:01

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B. Borderie, M. F Rivet, G. Tabacaru, M. Colonna, P. Desesquelles, et al.. Liquid-Gas Coexistence Region in Central Xe+Sn Reactions. XXXIX International Winter Meeting on Nuclear Physics, Jan 2001, Bormio, Italy. pp.11. ⟨hal-00012241⟩

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