Résumé du preprint DAPNIA-05-19
| DAPNIA-05-19 |
|---|
| Experimental overview of Ni+Ni collisions at 32 MeV/nucleon : discriminant analysis and duality in the decay modes of a fusion-like system. |
| P. Lautesse, A.M. Maskay, E. Gerlic, P. Désesquelles, J.L. Laville, O. Lopez, G. Auger, B. Borderie, R. Bougault, B. Bouriquet, J.L. Charvet, A. Chbihi, J. Colin, D. Cussol, R. Dayras, N. de Cesare, A. Demeyer, D. Durand, J.D. Frankland, E. Galichet, D. Guinet, B. Guiot, S. Hudan, F. Lavaud, J.F. Lecolley, N. Le Neindre, L. Nalpas, J. Normand, M. Pârlog, E. Plagnol, M.F. Rivet, E. Rosato, R. Roy, C. Schmitt, J.C. Steckmeyer, B. Tamain, K. Turzo, E. Vient, M. Vigilante, C. Volant, and J.P. Wieleczko |
58Ni+58Ni collisions at 32 MeV/nucleon have been studied with the 4 multidetector INDRA. The evolution from binary (dissipative) collisions to a fusion-like process is evidenced with decreasing impact parameter throughout a set of experimental observables within a Discriminant Analysis. Pre-equilibrium effects and characteristics of a single-source emission are discussed. A coexistence (bimodality) between two decay mechanisms is pointed out and examined in the context of a multiple-fragment (particle) emission. |
