Forward Angle Analyzing Power in (P)over-Right-Arrow-N and (P)over-Right-Arrow-P Quasi-Free Scattering at 643 and 797 Mev
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Polarized proton beams and a liquid-deuterium target were used to measure the analyzing power for quasifree p-n over arrow pointing right and p-p over arrow pointing right scattering in the forward direction at 643 and 797 MeV. Alternate use of a liquid-hydrogen hydrogen target provided a comparison of free and quasifree p-p over arrow pointing right scattering. The precision of the data is in general +/-0.01 to +/-0.02, although some of the p-p over arrow pointing right data for 797 MeV are at the precision level of +/-0.005. For c.m. angles theta* greater-than-or-equal-to 22-degrees there is no difference between quasifree and free results at either energy. The data are compared with the predictions of several phase-shift analyses. In a search for more pronounced quasifree scattering effects, a small amount of p-''p'' over arrow pointing right data were taken with a carbon target.
DescriptionJournals published by the American Physical Society can be found at http://publish.aps.org/
DepartmentPhysics and Astronomy
- Faculty Publications