Evidence for Spinodal Decomposition in Nuclear Multifragmentation
- Borderie, B.
- Tabacaru, G.
- Chomaz, P.
- Colonna, M.
- Guarnera, A.
- Pârlog, M.
- Rivet, M. F
- Auger, G.
- Bacri, C.O.
- Bellaize, N.
- Bougault, R.
- Bouriquet, B.
- Brou, R.
- Buchet, P.
- Chbihi, A.
- Colin, J.
- Demeyer, A.
- Galichet, E.
- Gerlic, E.
- Guinet, D.
- Hudan, S.
- Lautesse, P.
- Lavaud, F.
- Laville, J.L.
- Lecolley, J.F.
- Leduc, C.
- Legrain, R.
- Le Neindre, N.
- Lopez, O.
- Louvel, M.
- Maskay, A.-M.
- Normand, J.
- Pawlowski, P.
- Rosato, E.
- Saint-Laurent, F.
- Steckmeyer, J.C.
- Tamain, B.
- Tassan-Got, L.
- Vient, E.
- Wieleczko, J.P.
Publication date
January 2001
DOI Publisher
American Physical Society (APS)Abstract
4 pages, 4 figures - Matière NucléaireInternational audienceMultifragmentation of a ``fused system\'\' was observed for central collisions between 32 MeV/nucleon 129Xe and natSn. Most of the resulting charged products were well identified thanks to the high performances of the INDRA 4pi array. Experimental higher-order charge correlations for fragments show a weak but non ambiguous 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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