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Evidence for dynamical proton emission in peripheral Xe+Sn collisions at 50 MeV/u

Relative angle correlation functions for mid-rapidity protons built up from 50 MeV/u Xe+Sn data recorded by the INDRA multidetector exhibit the characteristics of a non-equilibrated emission: they show an energy dependent anisotropy which cannot be accounted for by standard evaporation processes; a...

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Bibliographic Details
Published in:Physics letters. B 2000, Vol.488 (3), p.211-217
Main Authors: Germain, M, Gourio, D, Eudes, Ph, Laville, J.L, Reposeur, T, Ardouin, D, Assenard, M, Auger, G, Bacri, C.O, Bocage, F, Borderie, B, Bougault, R, Brou, R, Buchet, P, Charvet, J.L, Chbihi, A, Colin, J, Cussol, D, Dayras, R, Demeyer, A, Doré, D, Durand, D, Frankland, J.D, Galichet, E, Genouin-Duhamel, E, Gerlic, E, Guinet, D, Gulminelli, F, Lautesse, P, Lautridou, P, Lebrun, C, Lecolley, J.F, Lefort, T, Legrain, R, Le Neindre, N, Lopez, O, Louvel, M, Maskay, A.M, Métivier, V, Nalpas, L, Nguyen, A.D, Parlog, M, Péter, J, Plagnol, E, Rahmani, A, Rivet, M.F, Rosato, E, Roy, R, Saint-Laurent, F, Salou, S, Steckmeyer, J.C, Stern, M, Tabacaru, G, Tamain, B, Tirel, O, Tassan-got, L, Vient, E, Volant, C, Wieleczko, J.P
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Language:English
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Summary:Relative angle correlation functions for mid-rapidity protons built up from 50 MeV/u Xe+Sn data recorded by the INDRA multidetector exhibit the characteristics of a non-equilibrated emission: they show an energy dependent anisotropy which cannot be accounted for by standard evaporation processes; a possible explanation lies in the dynamical origin of these protons as suggested by a Landau–Vlasov simulation.
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(00)00861-3