Proton elastic and inelastic scattering at 0.8 GeV from C12,13 and Pb208

G. S. Blanpied*, W. R. Coker, R. P. Liljestrand, G. W. Hoffmann, L. Ray, D. Madland, C. L. Morris, J. C. Pratt, J. E. Spencer, H. A. Thiessen, T. Kozlowski, N. M. Hintz, G. S. Kyle, M. A. Oothoudt, T. S. Bauer, G. Igo, R. J. Ridge, C. A. Whitten, P. M. Lang, H. NannK. K. Seth

*Corresponding author for this work

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Abstract

Angular distributions for the elastic and inelastic scattering of 0.8 GeV protons from C12, C13, and Pb208 have been measured. Reported are data for the ground, 4.4 MeV 2+, 7.6 MeV 0+, 9.6 MeV 3-, and 14.1 MeV 4+ states of C12; the ground, 3.1 MeV 12+, 3.7 MeV 32-, 6.9 MeV 52+, 7.6 MeV 52-, and 11.9 MeV (?) states of C13; and the ground, 2.6 MeV 3-, and 3.2 MeV 5- states of Pb208. Analyses of the elastic angular distributions are made using the partial wave formalism and the Kerman-McManus-Thaler approach to the nucleon-nucleus optical potential; a realistic spin-orbit term is included. The inelastic transitions are analyzed within the framework of the distorted-wave Born-approximation, using transition strengths consistent with previous low-energy studies of inelastic scattering. A simple single-particle-plus-excited-core model is used for C13. In terms of this analysis, an assignment of Jπ=(52, 72)+ is made for the 11.9 MeV state in C13. NUCLEAR REACTIONS C12,13, Pb208(p, p′), E=0.8 GeV; measured σ(θ); enriched targets; resolution ≥ 80 keV, θc.m.=2-40°, Δθ=0.2°. Optical potential analysis, DWBA, inelastic deformation lengths, βlR.

Original languageEnglish (US)
Pages (from-to)1436-1446
Number of pages11
JournalPhysical Review C
Volume18
Issue number3
DOIs
StatePublished - 1978

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Blanpied, G. S., Coker, W. R., Liljestrand, R. P., Hoffmann, G. W., Ray, L., Madland, D., Morris, C. L., Pratt, J. C., Spencer, J. E., Thiessen, H. A., Kozlowski, T., Hintz, N. M., Kyle, G. S., Oothoudt, M. A., Bauer, T. S., Igo, G., Ridge, R. J., Whitten, C. A., Lang, P. M., ... Seth, K. K. (1978). Proton elastic and inelastic scattering at 0.8 GeV from C12,13 and Pb208. Physical Review C, 18(3), 1436-1446. https://doi.org/10.1103/PhysRevC.18.1436