Published October 2010 | Version v1
Journal article Metadata-only

Effects of the entrance channel mass asymmetry in fusion reactions

Creators

  • 1. School of Science, Jiangnan University, Wuxi (China)
  • 2. Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou (China)
  • 3. The Key Laboratory of Beam Technology and Material Modification of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing (China)

Description

The symmetric and asymmetric fusion reaction systems forming the same compound nuclei 26Al, 30Si, 38Ar and 170Hf are investigated with the frame of improved isospin dependent quantum molecular dynamics model. The entrance channel mass asymmetry dependence of compound nucleus formation is found by analyzing the shell correction energies, the Coulomb barriers and the fusion cross sections. The calculated fusion cross sections agree quantitatively with the experimental data. The results indicate that compound nucleus formation is favorable for the systems with larger mass asymmetry because of the smaller Coulomb contribution to the fusion barrier. (authors)

Additional details

Publishing Information

Journal Title
Chinese Physics. C, High Energy Physics and Nuclear Physics
Journal Volume
34
Journal Issue
10
Journal Page Range
p. 1602-1608
ISSN
1674-1137

INIS

Country of Publication
China
Country of Input or Organization
China
INIS RN
43075948
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Descriptors DEI
ALUMINIUM 26; ARGON 38; ASYMMETRY; COMPOUND NUCLEI; CORRECTIONS; COULOMB FIELD; CROSS SECTIONS; HAFNIUM 170; HEAVY ION FUSION REACTIONS; ISOSPIN; MASS; MOLECULAR DYNAMICS METHOD; SHELLS; SILICON 30; SYMMETRY
Descriptors DEC
ALUMINIUM ISOTOPES; ARGON ISOTOPES; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CALCULATION METHODS; ELECTRIC FIELDS; ELECTRON CAPTURE RADIOISOTOPES; EVEN-EVEN NUCLEI; HAFNIUM ISOTOPES; HEAVY ION REACTIONS; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; ISOTOPES; LIGHT NUCLEI; NUCLEAR REACTIONS; NUCLEI; NUCLEOSYNTHESIS; ODD-ODD NUCLEI; PARTICLE PROPERTIES; RADIOISOTOPES; SECONDS LIVING RADIOISOTOPES; SILICON ISOTOPES; STABLE ISOTOPES; SYNTHESIS; YEARS LIVING RADIOISOTOPES

Optional Information

Notes
8 figs., 1 tabs., 32 refs.