Barrier distribution from {sup 9}Be+{sup 208}Pb quasielastic scattering: Breakup effects in the interaction processes
Journal Article
·
· Physical Review. C, Nuclear Physics
- China Institute of Atomic Energy, P. O. Box 275(10), Beijing 102413 (China)
Excitation function of the quasielastic (QEL) scattering at a backward angle was measured for the weakly bound projectile {sup 9}Be, which bombarded a {sup 208}Pb target at near-barrier energies. Barrier distribution was extracted by means of the first derivative of the experimental cross sections with respect to the effective energies. Theoretical fusion barrier distribution has been calculated with the coupled-channels model and compared with the experimental barrier distribution. By this comparison, it is shown that the experimental barrier distribution extracted from QEL scattering is shifted to low energy by 1.5 MeV as compared with the theoretical one. This energy discrepancy between the theoretical prediction and the experimental data indicates the breakup is an important reaction mechanism in the colliding processes of the weakly bound projectile {sup 9}Be on a spherical target {sup 208}Pb.
- OSTI ID:
- 21419487
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 2 Vol. 82; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
BERYLLIUM 9
BERYLLIUM ISOTOPES
COMPARATIVE EVALUATIONS
COUPLED CHANNEL THEORY
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
DISTRIBUTION
ENERGY
ENERGY RANGE
EVALUATION
EVEN-ODD NUCLEI
EXCITATION FUNCTIONS
FORECASTING
FUNCTIONS
INTERACTIONS
ISOTOPES
KINETICS
LEAD 208 TARGET
LIGHT NUCLEI
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEI
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
REACTION KINETICS
SCATTERING
STABLE ISOTOPES
TARGETS
THRESHOLD ENERGY
ALKALINE EARTH ISOTOPES
BERYLLIUM 9
BERYLLIUM ISOTOPES
COMPARATIVE EVALUATIONS
COUPLED CHANNEL THEORY
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DIRECT REACTIONS
DISTRIBUTION
ENERGY
ENERGY RANGE
EVALUATION
EVEN-ODD NUCLEI
EXCITATION FUNCTIONS
FORECASTING
FUNCTIONS
INTERACTIONS
ISOTOPES
KINETICS
LEAD 208 TARGET
LIGHT NUCLEI
MEV RANGE
MEV RANGE 01-10
NUCLEAR REACTIONS
NUCLEI
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
REACTION KINETICS
SCATTERING
STABLE ISOTOPES
TARGETS
THRESHOLD ENERGY