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Real potential in alpha--nucleus scattering

Journal Article · · Phys. Rev., C, v. 8, no. 6, pp. 2189-2199
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Measurements of alpha -nucleus elastic differential-cross-section data at 27 MeV from /sup 45/Sc, /sup 65/Cu, /sup 90/Zr, and /sup 122/Sn, over the angula r range 15(x 2.5) to 175 deg are reported. The data are analyzed using both a standard six-parameter optical model and a folding model. The latter uses an effective nucleon- alpha interaction obtained from a global analysis of free nucleon- alpha scattering data below 12-MeV incident nucleon energy which is folded with a nuclear matter distribution to obtain the real part of the alpha - nucleus potential. The fits with the folding model are improved appreciably over those obtained using the standard optical model and are sensitive to the choice of matter parameter. The matter mean square radii deduced are in good agreement with other estimates. (auth)
Research Organization:
Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455
Sponsoring Organization:
USDOE
NSA Number:
NSA-29-022951
OSTI ID:
4343234
Journal Information:
Phys. Rev., C, v. 8, no. 6, pp. 2189-2199, Journal Name: Phys. Rev., C, v. 8, no. 6, pp. 2189-2199; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

*ALPHA REACTIONS-- ELASTIC SCATTERING
*COPPER 65-- NUCLEAR RADII
*OPTICAL MODELS-- NUCLEAR POTENTIAL
*SCANDIUM 45-- NUCLEAR RADII
*TIN 122-- NUCLEAR RADII
*ZIRCONIUM 90-- NUCLEAR RADII
DIFFERENTIAL CROSS SECTIONS
MEV RANGE 10-100
N68511 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
39 <= A <= 58--Mass
Abundance & Binding Energy
N68551 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
39 <= A <= 58--Nuclear Reactions & Scattering
N68611 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
59 <= A <= 89--Mass
Abundance & Binding Energy
N68651 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
59 <= A <= 89--Nuclear Reactions & Scattering
N68711 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
90 <= A <= 149--Mass
Abundance & Binding Energy
N68751* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
90 <= A <= 149--Nuclear Reactions & Scattering