Study of the 2p-1h Structure ofO17via theN15(He3,p)Reaction

Abstract

The double-stripping reaction ${}_{}{}^{15}{}_{}{}^{}\mathrm{N}({}_{}{}^3{}_{}{}^{}\mathrm{He},p){}_{}{}^{17}{}_{}{}^{}\mathrm{O}$ has been studied with a magnetic spectrograph at an incident ${}_{}{}^3{}_{}{}^{}\mathrm{He}$ energy of 18 MeV, with an energy resolution of about 30 keV. Differential cross sections have been measured for transitions to states in ${}_{}{}^{17}{}_{}{}^{}\mathrm{O}$ up to an excitation energy of 11 MeV. The data have been analyzed in the distorted-wave Born approximation using the Glendenning formalism and the multishell shell-model wave functions of Zuker, Buck, and McGrory for states in ${}_{}{}^{17}{}_{}{}^{}\mathrm{O}$. The model wave functions are found to fit the data quite well for a number of low lying-states. However, several exceptions are also found.