A hot expanding source in 50 A MeV Xe + Sn central reactions

N. Marie, R. Laforest, R. Bougault, J. P. Wieleczko, D. Durand, Ch O. Bacri, J. F. Lecolley, F. Saint-Laurent, G. Auger, J. Benlliure, E. Bisquer, B. Borderie, R. Brou, J. L. Charvet, A. Chbihi, J. Colin, D. Cussol, R. Dayras, E. De Filippo, A. DemeyerD. Doré, P. Ecomard, P. Eudes, D. Gourio, D. Guinet, P. Lautesse, J. L. Laville, A. Le Fèvre, T. Lefort, R. Legrain, O. Lopez, M. Louvel, V. Métivier, L. Nalpas, A. Ouatizerga, M. Parlog, J. Péter, E. Plagnol, A. Rahmani, T. Reposeur, M. F. Rivet, E. Rosato, S. Salou, M. Squalli, J. C. Steckmeyer, B. Tamain, L. Tassan-Got, E. Vient, C. Volant

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The INDRA multidetector has been used to study multifragmentation processes in central collisions for the Xe + Sn reaction at 50 A MeV. A single isotropic source formed at an excitation energy of 12 A MeV exhausting most of the emitted charged products has been isolated in such collisions. The fragment kinetic energy spectra indicate a fast disintegration of the system with a radial collective motion of about 2 A MeV. The light charged particle characteristics within this scenario are also discussed.

Original languageEnglish
Pages (from-to)15-21
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
StatePublished - Jan 9 1997


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