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Medium modifications of the nucleon-nucleon elastic cross section in neutron-rich intermediate energy HICs
- Several observables of unbound nucleons which are to some extent sensitive to the medium modifications of nucleon-nucleon elastic cross sections in neutron-rich intermediate energy heavy ion collisions are investigated. The splitting effect of neutron and proton effective masses on cross sections is discussed. It is found that the transverse flow as a function of rapidity, the Q_zz as a function of momentum, and the ratio of halfwidths of the transverse to that of longitudinal rapidity distribution R_t/l are very sensitive to the medium modifications of the cross sections. The transverse momentum distribution of correlation functions of two-nucleons does not yield information on the in-medium cross section.
Verfasserangaben: | Qingfeng LiORCiD, Zhuxia Li, Sven SoffORCiD, Marcus BleicherORCiDGND, Horst StöckerORCiDGND |
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URN: | urn:nbn:de:hebis:30-26357 |
ArXiv-Id: | http://arxiv.org/abs/nucl-th/0601047 |
Dokumentart: | Preprint |
Sprache: | Englisch |
Datum der Veröffentlichung (online): | 10.05.2006 |
Jahr der Erstveröffentlichung: | 2006 |
Veröffentlichende Institution: | Universitätsbibliothek Johann Christian Senckenberg |
Datum der Freischaltung: | 10.05.2006 |
Freies Schlagwort / Tag: | HICs |
Seitenzahl: | 14 |
Bemerkung: | PACS numbers: 25.70.-z, 24.10.Lx, 25.75.-q ; Preprint, später in Journal of Physics G: Nuclear and Particle Physics, 32.2006, S.407-416 |
Quelle: | http://arxiv.org/abs/nucl-th/0601047, J.Phys. G32 (2006) 407-416 |
HeBIS-PPN: | 190700734 |
Institute: | Physik / Physik |
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS) | |
DDC-Klassifikation: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
Lizenz (Deutsch): | Deutsches Urheberrecht |