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AbstractAbstract
[en] Cross sections and γ-ray multiplicities have been measured for neutron evaporation channels in the reactions 16O + 144Nd, 37Cl + 123Sb, 64Ni + 96Zr and 80Se + 80Se leading to the compound system 160Er at common excitation energies. In the near-barrier energy regime average angular momentum transfers depend dramatically on the asymmetry of the entrance channel. The results can be interpreted in terms of barrier fluctuations induced by target and projectile ground-state vibrations
[fr]
Les sections efficaces ainsi que les multiplicites γ ont ete mesurees pour les voies de sortie xn dans les reactions 16O + 144Nd, 37Cl + 123Sb, 64Ni + 96Zr et 80Se + 80Se conduisant au meme noyau compose 160Er forme aux memes energies d'excitation. Aux energies proches de la barriere de fusion, le transfert du moment angulaire depend fortement de l'asymetrie en masse de la voie d'entree. Les resultats experimentaux peuvent etre interpretes en terme de fluctuation de la barriere due aux vibrations, dans leur etat fondamental, des noyaux cible et projectileOriginal Title
Effets de moment angulaire dans les reactions de fusion au voisinage de la barriere coulombienne
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Source
1985; 149 p; These (D. es Sc.).
Record Type
Report
Literature Type
Thesis/Dissertation
Report Number
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ANGULAR MOMENTUM TRANSFER, ANTIMONY 123 TARGET, ASYMMETRY, CHLORINE 37 REACTIONS, COMPOUND NUCLEI, COULOMB FIELD, CROSS SECTIONS, ERBIUM 160, GAMMA CASCADES, HEAVY ION FUSION REACTIONS, MASS, MULTIPLICITY, NEODYMIUM 144 TARGET, NICKEL 64 REACTIONS, OXYGEN 16 REACTIONS, SELENIUM 80 REACTIONS, SELENIUM 80 TARGET, VIBRATIONAL STATES, ZIRCONIUM 96 TARGET
BETA DECAY RADIOISOTOPES, DAYS LIVING RADIOISOTOPES, ELECTRIC FIELDS, ELECTRON CAPTURE RADIOISOTOPES, ENERGY LEVELS, ENERGY-LEVEL TRANSITIONS, ERBIUM ISOTOPES, EVEN-EVEN NUCLEI, EXCITED STATES, HEAVY ION REACTIONS, INTERMEDIATE MASS NUCLEI, ISOTOPES, MOMENTUM TRANSFER, NUCLEAR CASCADES, NUCLEAR REACTIONS, NUCLEI, NUCLEOSYNTHESIS, RADIOISOTOPES, RARE EARTH NUCLEI, SYNTHESIS, TARGETS
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