Version | v1 |
Release Date | 2006-01-17 |
Primary Language | en
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Medium modifications of the nucleon-nucleon elastic cross section in
neutron-rich intermediate energy HICs
release_5qyi5sdpg5ccliftbh2qamfb24
by
Qingfeng Li, Zhuxia Li, Sven Soff, Marcus Bleicher, Horst Stoecker
Abstract
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.
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Stage
submitted
Date 2006-01-17
Version
v1
nucl-th/0601047v1
grouping other versions (eg, pre-print) and variants of this release
State is "active".
Revision:
10612886-dd97-4cb9-8b3d-e69518955c38
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