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5 results on '"nucleus nucleus collision"'

3. Entrance effects in medium mass nuclear systems at 25 MeV/nucleon

Author

LOMBARDO, IVANO, ROSATO, ELIO, VIGILANTE, MARIANO, L. Acosta, C. Agodi, F. Amorini, A. Anzalone, L. Auditore, I. Berceanu, G. Cardella, M. B. Chatterjee, E. DeFilippo, E. Geraci, G. Giuliani, L. Grassi, J. Han, E. La Guidara, G. Lanzalone, D. Loria, C. Maiolino, T. Minniti, A. Pagano, M. Papa, S. Pirrone, G. Politi, F. Porto, F. Rizzo, P. Russotto, A. Trifirò, M. Trimarchi, G. Verde, G.Giardina , A.K.Nasirov, G.Mandaglio, Lombardo, Ivano, L., Acosta, C., Agodi, F., Amorini, A., Anzalone, L., Auditore, I., Berceanu, G., Cardella, M. B., Chatterjee, E., Defilippo, E., Geraci, G., Giuliani, L., Grassi, J., Han, E., La Guidara, G., Lanzalone, D., Loria, C., Maiolino, T., Minniti, A., Pagano, M., Papa, S., Pirrone, G., Politi, F., Porto, F., Rizzo, Rosato, Elio, P., Russotto, A., Trifirò, M., Trimarchi, G., Verde, and Vigilante, Mariano

Subjects
nucleus nucleus collision, Isospin, odd-even staggering
Abstract

We discuss experimental data concerning 48Ca+48Ca and 42Ca+54Fe reactions at 25 MeV/nucleon obtained by using the 4pi multi-detector Chimera. Effects due due to the different neutron to proton ratios (N/Z) of the two systems have been investigated. Charge distributions of forwardly emitted fragments show even-odd staggering whose amplitude is larger for the neutron poor system. Moreover, the neutron excess of the total system influence the evolution of fusion-like sources formed in semi-central collisions. In particular, for the neutron rich system, the relative emission yield of heavy residues is larger, while multi-fragmentation and binary-like events prevail in the neutron poor system

Published
2014

4. In-Medium Properties of Kaons and Antikaons as Studied by Threshold Production in Nuclear Collisions

Author

E. Grosse

Subjects
Physics, threshold production, Nuclear and High Energy Physics, Particle physics, nucleus nucleus collision, meson mass, Nuclear Theory, kaon mass, Nuclear matter, medium effects, Nuclear physics, heavy ion collision, medicine.anatomical_structure, meson production, medicine, nuclear medium, Nuclear Experiment, kaon production, Nucleus
Abstract

In a systematic experimental study of K + and K − production in nuclear collisions at energies close to and below the free nucleon-nucleon production threshold we have found several features indicating a change of kaon properties within the nuclear medium.

Published
1999

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