http://hdl.handle.net/20.500.12128/7216
Title: | Dynamical signals in fragmentation reactions : Time scale determination from three fragments correlations by using the 4 [Pi] Chimera multidetector |
Authors: | de Filippo, E. Amorini, F. Anzalone, A. Auditore, L. Baran, V. Berceanu, I. Blicharska, J. Borderie, B. Bougault, R. Bruno, M. Brzychczyk, J. Cardella, G. Cavallaro, S. Chatterjee, M. B. Chbihi, A Colonna, M. D'Agostino, M. Dayras, R. di Toro, M. Emanuele, U. Frankland, J. Galichet, E. Gawlikowicz, W. Geraci, E. Giustolisi, F. Grassi, L. Grzeszczuk, Andrzej Guazzoni, P. Guinet, D. Kowalski, Seweryn La Guidara, E. Lanzalone, G. Lanzan, G. le Neindre, N. Lombardo, I. Maiolino, C. Majka, Z. Pagano, A. Papa, M. Petrovici, M. Piasecki, E. Pirrone, S. Płaneta, R. Politi, G. Pop, A. Porto, F. Rivet, M.F. Rosato, E. Rizzo, F. Russotto, P. Schmidt, Katarzyna Siwek-Wilczyńska, K. Skwira, I. Sochocka, A. Trifir, A. Trimarchi, M. Verde, G. Vigilante, M. Wieleczko, J. P. Wilczyński, J. Zetta, L. Zipper, Wiktor |
Keywords: | fragmentacja - reakcje jądrowe; multidetektor |
Issue Date: | 2009 |
Citation: | Acta Physica Polonica B, Vol. 40, no. 4 (2009), s. 1199-1207 |
Abstract: | For fragments emitted in the reactions 124Sn + 64Ni and 112Sn + 58Ni at 35 AMeV, isotopic composition and velocity correlations have been studied as a function of the centrality of the collision, using the 4 Chimera multidetector. We have investigated the time scale for fragments formation, in order to distinguish between prompt dynamical and sequential statistical emission. Promptly emitted light fragments (Z ≤9) produced in the mid-rapidity domain are characterised by larger N/Z ratio and stronger angular anisotropies than those produced in sequential statistical emission. Results are compared with stochastic BNV code simulations obtained for primary fragments. Valuable information on the symmetry term of the nuclear equation of state at sub-saturation densities are obtained. |
URI: | http://hdl.handle.net/20.500.12128/7216 |
ISSN: | 0587-4254 |
Appears in Collections: | Artykuły (WNŚiT) |
File | Description | Size | Format | |
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deFilippo_Dynamical_signals_in_fragmentation.pdf | 516,6 kB | Adobe PDF | View/Open |
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