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Measurement of Spin-Correlation Coefficients for p-$^{3}$He Elastic Scattering

ORAL

Abstract

As part of an investigation of the A=4 system, we measured the spin-correlation coefficients A$_{yo}$, A$_{oy}$, A$_{yy}$, and A$_{xx}$ for p-$^{3}$He elastic scattering at E$_{lab}$ of 2.3, 2.7, 4.0, and 5.5 MeV and $\Theta _{lab}$ between 30$^{o}$ and 150$^{o}$. The data were taken using TUNL's atomic beam polarized ion source and a new spin-exchange optical pumping polarized $^{3}$He target\footnote{ T. Katabuchi \textit{et al.,} to be published in Rev. Sci. Instrum.}. We aim to resolve ambiguities in the phase shifts of George and Knutson\footnote{ E.A. George and L.D. Knutson, Phys Rev C 67, 027001 (2003)}, which seem most sensitive to A$_{xx }$and A$_{yy}$ at the lowest of these energies. Our 5.5 MeV data compare well with earlier data\footnote{ B.M. Fisher \textit{et al.}, in: Proceedings of FB17, eds. W. Glockle and W. Tornow, Elsevier 2004}$^{,}$\footnote{ M.T. Alley and L.D. Knutson, Phys Rev C 48, 1901 (1993)}. Our new measurements will be shown with phase-shift-analysis solutions.

Authors

  • T.V. Daniels

  • T. Katabuchi

  • T.B. Clegg

  • H.J. Karwowski

    University of North Carolina at Chapel Hill and Triangle Universities Nuclear Laboratory