Measurement of the Inclusive Neutron Production by Relativistic Neon Ions on Uranium

Abstract

Inclusive double-differential cross sections for neutron production were measured at 337 MeV/nucleon in the reaction $\mathrm{Ne}+\mathrm{U}\ensuremath{\rightarrow}n+X$. Neutrons were detected with energies between \ensuremath{\sim} 12 and \ensuremath{\sim} 600 MeV at laboratory angles of 30\ifmmode^\circ\else\textdegree\fi{}, 45\ifmmode^\circ\else\textdegree\fi{}, 60\ifmmode^\circ\else\textdegree\fi{}, and 90\ifmmode^\circ\else\textdegree\fi{}. The neutron spectra above \ensuremath{\sim} 30 MeV are comparable with the predictions of a firestreak calculation. The neutron spectra differ from proton spectra reported for U and Pb.