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Competition between the fusion-fission and deep-inelastic orbiting mechanisms in the35Cl +12C reaction |
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| Authors: | C Beck B Djerroud F Haas R M Freeman A Hachem B Heusch A Morsad M Youlal Y Abe A Dayras J P Wieleczko B T Matsuse S M Lee |
| Institution: | 1. Centre de Recherches Nucléaires, IN2P3-CNRS/Université Louis Pasteur, B.P. 20, F-67037, Strasbourg Cedex, France 4. CEN Saclay, DAPNIA/SPN, F-91191, Gif sur Yvette Cedex, France 6. Faculty of Textile Science and Technology, Shinshu University, 386, Ueda, Japan 7. Department of Physics, Tandem Accelerator Center, University of Tsukuba, 305, Ibaraki, Japan |
| Abstract: | The binary decay properties of the47V nucleus, produced in the35Cl +12C reaction, have been investigated at the35Cl bombarding energiesE lab = 180 and 200 MeV by means of a kinematical coincidence technique. Binary reaction products show full energy equilibration and a characteristic 1/sin(θ cm) angular distribution. The elemental distribution of the fully-damped products is asymmetric, similar to what has previously been observed in the decay of the56Ni nucleus. Comparison with theoretical model predictions suggests the occurrence of a fusion-fission rather than orbiting process. Moreover the calculations performed using the Extended Hauser-Feshbach Method reproduce well the experimental fission yields. A general discussion of orbiting and fusionfission experimental data of light heavy-ion systems is presented in the framework of the calculated number of available open channels for these systems. |
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