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Quasi-elastic processes in the /sup 28/Si+/sup 40/Ca reaction at 225 MeV

Journal Article · · Phys. Rev. C; (United States)
; ; ; ; ; ; ;

Elastic, inelastic, and single-nucleon transfer data are reported for /sup 28/Si+ /sup 40/Ca at E/sub lab/ = 225 MeV. Standard optical model and distorted-wave Born approximation analyses of the elastic and inelastic scattering angular distributions have been performed resulting in good descriptions of the data. In the inelastic scattering analysis, the nuclear deformation lengths were found to be consistent with the Coulomb deformation lengths obtained from electron scattering. The data for one-nucleon transfers were analyzed using the distorted-wave Born approximation with the optical potential fitted to the elastic scattering and the spectroscopic factors taken from light-ion studies. With the exception of small shifts in angle, the distorted-wave Born approximation correctly predicts the shapes of the angular distributions and the relative intensities of transitions to different states populated in the same reaction. The magnitudes of the single-particle transfer cross sections are reproduced to within a factor of 1.5. However, the distorted-wave Born approximation fails to predict the nearly 40% difference in the magnitudes of the cross sections observed for the (/sup 28/Si, /sup 27/Si) and (/sup 28/Si, /sup 27/Al) reactions, which populate mirror states.

Research Organization:
Argonne National Laboratory, Argonne, Illinois 60439
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
6004971
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 33:4; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

651523 -- Nuclear Properties & Reactions
A=39-58
Experimental-- Energy Levels & Transitions-- (-1987)
651525* -- Nuclear Properties & Reactions
A=39-58
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH ISOTOPES
ALUMINIUM 27
ALUMINIUM ISOTOPES
ANGULAR DISTRIBUTION
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BORN APPROXIMATION
CALCIUM 40 TARGET
CALCIUM 41
CALCIUM ISOTOPES
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DEFORMATION
DIRECT REACTIONS
DISTRIBUTION
DWBA
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
ENERGY RANGE
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
HEAVY ION REACTIONS
INELASTIC SCATTERING
INFORMATION
INTERMEDIATE MASS NUCLEI
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR DEFORMATION
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ONE-NUCLEON TRANSFER REACTIONS
OPTICAL MODELS
PARTICLE MODELS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RADIOISOTOPES
SCANDIUM 41
SCANDIUM ISOTOPES
SCATTERING
SECONDS LIVING RADIOISOTOPES
SILICON 27
SILICON 28 REACTIONS
SILICON ISOTOPES
SINGLE-PARTICLE MODEL
SPECTROSCOPIC FACTORS
STABLE ISOTOPES
TARGETS
TRANSFER REACTIONS
YEARS LIVING RADIOISOTOPES