Physics – Nuclear Physics
Scientific paper
Apr 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..561..334i&link_type=abstract
TOURS SYMPOSIUM ON NUCLEAR PHYSICS IV: TOURS 2000. AIP Conference Proceedings, Volume 561, pp. 334-343 (2001).
Physics
Nuclear Physics
Compound Nucleus, Fusion And Fusion-Fission Reactions, 190<=A<=219
Scientific paper
The dependence of the fusion probability on the orientation of deformed nuclei was investigated for the 60Ni+154Sm and 76Ge+150Nd reactions. The fusion of the 82Se+nulCe (spherical) reaction was also measured to compare its fusion probability with that of the 76Ge+150Nd reaction. Evaporation residues were measured for these reaction systems in the vicinity of the Coulomb barrier and the fusion probability was extracted as a function of bombarding energy. It was found that the fusion probability depends strongly on the orientation of the nuclear deformation. The fusion probability is considerably reduced when the projectiles collide at the tip of the deformed nuclei. On the other hand, when the projectiles collide at the side of the deformed nuclei, the fusion occurs without any hindrance. This phenomenon is understood qualitatively by comparing the distance between the mass centers of two colliding nuclei at touching with the position of the saddle point of the compound nucleus. .
Ikezoe Hiroshi
Jeong Chan-Seok
Mitsuoka Shinichi
Nishio Kengo
Satou Keiichi
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