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Optical potential description of (16)O + (28)Si elastic scattering

Technical Report ·
OSTI ID:5373706
; ;
Elastic scattering data for /sup 16/O + /sup 28/Si were analyzed using a local optical potential model whose real part consists of a double-folded potential supplemented by a phenomenological model-independent correction term. A good fit for energies between 21 and 35 MeV was obtained over the whole angular range from 20 degrees to 180 degrees. The real correction term was found to be predominantly attractive and to have a structure which varies little with bombarding energy. The associated imaginary potentials imply surface transparency and have detailed structure which varies rapidly with energy. A systematic trend for the absorptive region to extend to larger radii as the energy increases was noted. A simple parameterization of this trend enabled the main features of the excitation function for 180 degree scattering to be reproduced.
Research Organization:
Oxford Univ. (UK). Nuclear Physics Lab.
OSTI ID:
5373706
Report Number(s):
PB-83-255067
Country of Publication:
United States
Language:
English

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Related Subjects

651415 -- Nuclear Properties & Reactions
A=20-38
Theoretical-- Nuclear Reactions & Scattering-- (-1987)
651425* -- Nuclear Properties & Reactions
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Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
ELASTIC SCATTERING
ENERGY RANGE
EXCITATION FUNCTIONS
FUNCTIONS
HEAVY ION REACTIONS
MATHEMATICAL MODELS
MEV RANGE
MEV RANGE 10-100
NUCLEAR MODELS
NUCLEAR REACTIONS
OPTICAL MODELS
OXYGEN 16 REACTIONS
POTENTIAL SCATTERING
SCATTERING
SILICON 28 TARGET
TARGETS