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Spin-Correlation Coefficients and Phase-Shift Analysis for p+$^3$He Elastic Scattering

Authors
  • Daniels, T. V.
  • Arnold, C. W.
  • Cesaratto, J. M.
  • Clegg, T. B.
  • Couture, A. H.
  • Karwowski, H. J.
  • Katabuchi, T.
Type
Published Article
Publication Date
Mar 30, 2010
Submission Date
Mar 30, 2010
Identifiers
DOI: 10.1103/PhysRevC.82.034002
Source
arXiv
License
Yellow
External links

Abstract

Angular Distributions for the target spin-dependent observables A$_{0y}$, A$_{xx}$, and A$_{yy}$ have been measured using polarized proton beams at several energies between 2 and 6 MeV and a spin-exchange optical pumping polarized $^3$He target. These measurements have been included in a global phase-shift analysis following that of George and Knutson, who reported two best-fit phase-shift solutions to the previous global p+$^3$He elastic scattering database below 12 MeV. These new measurements, along with measurements of cross-section and beam-analyzing power made over a similar energy range by Fisher \textit{et al.}, allowed a single, unique solution to be obtained. The new measurements and phase-shifts are compared with theoretical calculations using realistic nucleon-nucleon potential models.

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