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Elastic scattering of 65 MeV polarized protons

Journal Article · · Phys. Rev. C; (United States)
Elastic scattering of 65 MeV polarized protons from 25 nuclei (/sup 16/O-- /sup 209/Bi) has been measured. The volume integral of the real central part of the optical potential (J/sub R/) shows a behavior similar to the binding energy curve for the target mass number. The mean square radius of the real central part of the optical potential is found to obey the relation /sub pot/ = (0.937 +- 0.012)A/sup 2/3/ + (6.42 +- 0.21) fm/sup 2/. By comparing with the systematics of the charge distributions obtained from electron scattering data, it is found that the effective two-body interaction range between an incident proton and a nucleon in the target has a target mass number dependence given by /sub int/ = (0.132 +- 0.013)A/sup 2/3/ + (4.24 +- 0.24) fm/sup 2/. Assuming this relation, root-mean-square radii of the point nucleon distributions are obtained. The dependences of the J/sub R/ value and the /sub pot/ value on the mass number and energy obtained here are compared critically with recent microscopic optical potential calculations.
Research Organization:
Department of Physics, Kyoto University, Kyoto 606, Japan
OSTI ID:
7060606
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 26:3; ISSN PRVCA
Country of Publication:
United States
Language:
English

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