Abstract

Differential cross sections for $^{3}\mathrm{He}$(p,p)$^{3}\mathrm{He}$ elastic scattering have been measured at 11 energies in the laboratory energy range 19.5 to 47.5 MeV. The most forward c.m. angle for the angular distributions varies from 10.1\ifmmode^\circ\else\textdegree\fi{} to 13.4\ifmmode^\circ\else\textdegree\fi{}, and the most backward angle varies from 163.2\ifmmode^\circ\else\textdegree\fi{} to 173.4\ifmmode^\circ\else\textdegree\fi{}. The relative errors in the data are usually less than 2%, and the scale error is 1.5%. The present data, together with analyzing power and total reaction cross section data of others, have been subjected to an energy-dependent phase shift analysis. The extracted phase shifts and the differential cross sections are compared with the results of a simple resonating-group calculation.

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