Journal
PHYSICAL REVIEW C
Volume 82, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.82.034002
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- US Department of Energy Office of Nuclear Physics [DE-FG02-97ER4041]
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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 He-3 target. These measurements have been included in a global phase-shift analysis following that of E. A. George and L. D. Knutson [Phys. Rev. C 67, 027001 (2003)], who reported two best-fit phase-shift solutions to the previous global p + He-3 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 B. M. Fisher et al. [Phys. Rev. C 74, 034001 (2006)], 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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