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Dynamics of capture and fusion in heavy ion collisions |
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| Authors: | A K Nasirov G Giardina A I Muminov W Scheid U T Yakhshiev |
| Institution: | 1. Bogoliubov Laboratory of Theoretical Physics, JINR, 141980, Dubna, Russia 2. Institute of Theoretical Physics, Justus Liebig University, 35392, Giessen, Germany 3. Heavy Ion Physics Department, Institute of Nuclear Physics, Ulugbek, 702132, Tashkent, Uzbekistan 4. INFN, Sezione di Catania, 98166, Messina, Italy 5. Dipartamento di Fisica dell’Università di Messina, 98166, Messina, Italy 6. National University of Uzbekistan, 700043, Tashkent, Uzbekistan |
| Abstract: | The effect of entrance channel on decrease of the complete fusion cross sections and on the yield of reaction products are associated with the quasifission which depends on the mass asymmetry and shell structure of colliding nuclei. In reactions of massive projectile and target nuclei, the competition between complete fusion and quasifission appears at the stage of compound nucleus formation, in addition to the increase of the fission probability. It is shown that the yield of quasifission products may be symmetric or asymmetric in dependence on peculiarities of shell structure of reaction fragments. Marima of mass or charge distributions are connected with the peculiarities of shell structure of reaction fragments. |
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