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Analyzing power of /sup 27/Al(n-arrow-right,n-arrow-right/sub 0/) at 14 and 17 MeV and the isospin dependence of the optical model potential

Journal Article · · Phys. Rev. C; (United States)
;
The analyzing powers of 14 and 17 MeV neutrons elastically scattered from /sup 27/Al have been measured. Two spherical optical model analyses of these and previously published data have been performed. The first one, which concentrated only on neutron cross section data at 14 and 17 MeV and the new analyzing powers, led to a new set of spherical optical model parameters, including a spin-orbit strength and a diffuseness of about 5.6 MeV and 0.36 fm, respectively. The second incorporated cross section and analyzing power data for proton scattering at slightly higher energies, to compensate for Coulomb energy differences. The data were successfully described with a set of parameters which included isospin-dependent potentials with isospin parameters V-italic/sub 1//sub R-italic/ = 22.4 MeV and W-italic/sub 1//sub D-italic/ = 15.7 MeV.
Research Organization:
Department of Physics, Duke University, Durham, North Carolina 27706 and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27706
OSTI ID:
5490614
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 34:2; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

651425* -- Nuclear Properties & Reactions
A=20-38
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALUMINIUM 27 TARGET
ANALYZING POWER
ANGULAR DISTRIBUTION
BARYON REACTIONS
CHARGED-PARTICLE REACTIONS
COULOMB FIELD
CROSS SECTIONS
DATA
DISTRIBUTION
ELASTIC SCATTERING
ELECTRIC FIELDS
ENERGY RANGE
EXPERIMENTAL DATA
HADRON REACTIONS
INFORMATION
ISOSPIN
MEV RANGE
MEV RANGE 10-100
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
OPTICAL MODELS
PARTICLE PROPERTIES
PROTON REACTIONS
SCATTERING
TARGETS