Cross-section and polarization measurements of p-He4 elastic scattering at GeV energies

H. Courant, K. Einsweiler, T. Joyce, H. Kagan, Y. I. Makdisi, M. L. Marshak, B. Mossberg, E. A. Peterson, K. Ruddick, T. Walsh, G. J. Igo, R. Talaga, A. Wriekat, R. Klem

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Abstract

We have measured the differential cross-section and the analyzing power (polarization) for p-He4 elastic scattering at incident kinetic energies of 0.56, 0.80, 1.03, 1.24, and 1.73 GeV. The experiment used a polarized proton beam incident on a liquid helium target and a single arm magnetic spectrometer to detect elastic scattering. Both the differential cross sections and the analyzing power show structure near -t=0.25 (GeV/c)2 which decreases in magnitude with increasing energy. Both multiple scattering and optical model interpretations of the data are discussed. NUCLEAR REACTIONS elastic scattering, p-He4; GeV energies; measured differential cross section; measured polarization; comparison with theory.

Original languageEnglish (US)
Pages (from-to)104-119
Number of pages16
JournalPhysical Review C
Volume19
Issue number1
DOIs
StatePublished - Jan 1 1979

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    Courant, H., Einsweiler, K., Joyce, T., Kagan, H., Makdisi, Y. I., Marshak, M. L., Mossberg, B., Peterson, E. A., Ruddick, K., Walsh, T., Igo, G. J., Talaga, R., Wriekat, A., & Klem, R. (1979). Cross-section and polarization measurements of p-He4 elastic scattering at GeV energies. Physical Review C, 19(1), 104-119. https://doi.org/10.1103/PhysRevC.19.104