The differential cross section and analyzing power for $p$-${}_{}{}^4{}_{}{}^{}\mathrm{He}$ elastic scattering at 200, 350, and 500 MeV incident proton energy in the laboratory angle range from 4° to 168° are presented. Comparisons to theoretical calculations at 200 and 350 MeV have been made.

NUCLEAR REACTIONS Proton-${}_{}{}^4{}_{}{}^{}\mathrm{He}$ elastic scattering 200, 350, 500 MeV measured differential cross section and analyzing power, $4°\lesssim {\theta }_{\mathrm{lab}}\lesssim 168°$.

• Received 21 September 1979

DOI:https://doi.org/10.1103/PhysRevC.21.1932