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. 2001 Apr 9;86(15):3252-5.
doi: 10.1103/PhysRevLett.86.3252.

Evidence for spinodal decomposition in nuclear multifragmentation

B Borderie  1 , G Tăbăcaru, P Chomaz, M Colonna, A Guarnera, M Pârlog, M F Rivet, G Auger, C O Bacri, N Bellaize, R Bougault, B Bouriquet, R Brou, P Buchet, A Chbihi, J Colin, A Demeyer, E Galichet, E Gerlic, D Guinet, S Hudan, P Lautesse, F Lavaud, J L Laville, J F Lecolley, C Leduc, R Legrain, N Le Neindre, O Lopez, M Louvel, A M Maskay, J Normand, P Pawlowski, E Rosato, F Saint-Laurent, J C Steckmeyer, B Tamain, L Tassan-Got, E Vient, J P Wieleczko
Affiliations

Evidence for spinodal decomposition in nuclear multifragmentation

B Borderie et al. Phys Rev Lett. .

Abstract

Multifragmentation of a "fused system" was observed for central collisions between 32 MeV/nucleon 129Xe and (nat)Sn. Most of the resulting charged products were well identified due to the high performances of the INDRA 4pi array. Experimental higher-order charge correlations for fragments show a weak but nonambiguous enhancement of events with nearly equal-sized fragments. Supported by dynamical calculations in which spinodal decomposition is simulated, this observed enhancement is interpreted as a "fossil" signal of spinodal instabilities in finite nuclear systems.

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