n-pCharge-Exchange Scattering from 60 to 300 GeV/c

Abstract

We have measured the neutron-proton charge-exchange differential cross section in the momentum interval 60 to 300 GeV/c, with squared four-momentum transfers 0.002 to 0.8 ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^2$. Independent of incident momentum, the data are characterized by a sharp forward peak of width 0.02 ${(\mathrm{G}\mathrm{e}\mathrm{V}/\mathit{c})}^2$, followed by a shoulder and gentler falloff at higher momentum transfers.