Collisions of deformed nuclei and superheavy-element production

Conference · Fri Sep 01 00:00:00 EDT 1995

OSTI ID:102231

Iwamoto, Akira ^[1]; Moeller, P ^[1]; Nix, J R ^[2]

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1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Advanced Science Research Center
2. Los Alamos National Lab., NM (United States). Theoretical Div.

A detailed understanding of complete fusion cross sections in heavy-ion collisions requires a consideration of the effects of the deformation of the projectile and target. The aim here is to show that deformation and orientation of the colliding nuclei have a very significant effect on the fusion-barrier height and on the compactness of the touching configuration. To facilitate discussions of fusion configurations of deformed nuclei, the authors develop a classification scheme and introduce a notation convention for these configurations. They discuss particular deformations and orientations that lead to compact touching configurations and to fusion-barrier heights that correspond to fairly low excitation energies of the compound systems. Such configurations should be the most favorable for producing superheavy elements. They analyze a few projectile-target combinations whose deformations allow favorable entrance-channel configurations and whose proton and neutron numbers lead to compound systems in a part of the superheavy region where a half-lives are calculated to be observable, that is, longer than 1 {micro}s.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States); Japan Atomic Energy Research Inst., Tokyo (Japan)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 102231
• Report Number(s): LA-UR-95-2932; CONF-9505283-1; ON: DE95016933; TRN: 95:020461
• Resource Relation: Conference: 2. RIKEN/INFN joint symposium, Wako-shi (Japan), 22-26 May 1995; Other Information: PBD: [1995]
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
TRANS 104 ELEMENTS
NUCLEOSYNTHESIS
OXYGEN 16 REACTIONS
HEAVY ION FUSION REACTIONS
SAMARIUM 154 TARGET
NEODYMIUM 150 TARGET
NEODYMIUM 150 REACTIONS
PALLADIUM 110 REACTIONS
TUNGSTEN 186 TARGET
RUTHENIUM 104 REACTIONS
OSMIUM 192 TARGET
DEFORMED NUCLEI
CROSS SECTIONS
NUCLEAR DEFORMATION
NUCLEAR REACTION KINETICS
NUCLEAR POTENTIAL