Formation of hyperdeformed states in capture reactions at sub-barrier energies

• Published in: Physical review. C, Nuclear physics Vol. 82; no. 3
• Main Authors: Zubov, A. S., Sargsyan, V. V., Adamian, G. G., Antonenko, N. V., Scheid, W.
• Format: Journal Article
• Language: English
• Published: United States 29-09-2010
• Subjects: ALKALINE EARTH ISOTOPES; ANGULAR MOMENTUM; BARIUM 138; BARIUM ISOTOPES; CALCIUM 48; CALCIUM ISOTOPES; CAPTURE; CERIUM 140; CERIUM ISOTOPES; CONFIGURATION; COULOMB FIELD; CROSS SECTIONS; DEFORMED NUCLEI; DENSITY MATRIX; DIFFUSION; ELECTRIC FIELDS; ENERGY; EVEN-EVEN NUCLEI; HEAVY ION REACTIONS; INTERMEDIATE MASS NUCLEI; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; KRYPTON 86; KRYPTON ISOTOPES; MATRICES; NANOSECONDS LIVING RADIOISOTOPES; NICKEL 58; NICKEL ISOTOPES; NUCLEAR PHYSICS AND RADIATION PHYSICS; NUCLEAR REACTIONS; NUCLEI; PARTICLE PROPERTIES; RADIOISOTOPES; RARE EARTH NUCLEI; SPIN; STABLE ISOTOPES; THRESHOLD ENERGY; TIN 124; TIN ISOTOPES; TUNNEL EFFECT; XENON 136; XENON ISOTOPES
• ISSN: 0556-2813; 1089-490X
• DOI: 10.1103/PhysRevC.82.034610

The high-spin hyperdeformed nuclear states treated as dinuclear or quasimolecular configurations are suggested to be directly populated in heavy ion collisions at sub-barrier energies. Tunneling through the Coulomb barrier is considered using the quantum diffusion approach based on the formalism of reduced density matrix. The reactions {sup 48}Ca+{sup 86}Kr,{sup 124}Sn,{sup 136}Xe,{sup 138}Ba,{sup 140}Ce, {sup 58}Ni+{sup 58}Ni, and {sup 40,48}Ca+{sup 40,48}Ca, are suggested for populating high-spin hyperdeformed states. The partial production and identification cross sections for the hyperdeformed states are calculated as the functions of bombarding energy.