The multistep direct reaction method, applied earlier to fit successfully the continuum spectra of ($p,\alpha$) reactions, is shown to explain also their analyzing powers very well.

NUCLEAR REACTIONS ${}_{}{}^{93}{}_{}{}^{}\mathrm{Nb}(\overrightarrow{p},\alpha )$, $E_p=65\mathrm{}$ MeV, multistep direct reaction theory analysis of the spectrum and the analyzing power.

• Received 2 February 1981

DOI:https://doi.org/10.1103/PhysRevC.23.2769