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Shadowing effects and transverse momentum dependence of particle emission in intermediate energy heavy ion collisions |
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| Authors: | A. Buta G. Bizard J. Péter J. C. Angelique D. Cussol A. Kerambrun A. Péghaire R. Popescu |
| Affiliation: | 1. LPC Caen, IN2P3-CNRS, ISMRA-Université de Caen, Boulevard Maréchal Juin, F-14050, Caen, France 2. Institute for Physics and Nuclear Engineering, P.O.Box MG-6, Bucharest, Romania 3. Boulevard Henri Bequerel, GANIL, F-14021, Caen, France 4. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI, 48824, USA |
| Abstract: | Light particle emission was studied at Ganil for 36 Ar +27 Al between 55 and 95 MeV/u and for 64 Zn+58 Ni between 35 and 79 MeV/u. The correlation of these particles with the reaction plane was analyzed. In intermediate impact parameter events, the transverse momentum dependence of this correlation changes drastically with the energy for midrapidity particles. For both systems, at the upper incident energies, particles with highest transverse momenta are preferentially emitted perpendicular to the reaction plane. This can be qualitatively reproduced by simulations taking into account shadowing effects. |
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