high-energy neutron-proton scattering

high-energy neutron-proton scattering

[¦hī ¦en·ər·jē ¦nü‚trän ′prō‚tän ‚skad·ər·iŋ] (nuclear physics) A collision of a neutron having an energy greater than 440 megaelectronvolts with a proton; the collision is inelastic because of pion production.