Abstract
As part of an experimental study of the nucleon-nucleon interaction at medium energy, the free neutron-proton analyzing power (,) has been measured at nine incident neutron energies in the range 375≤≤775 MeV and for neutron c.m. angles in the range 57°≤≤159°. Unpolarized neutrons with a broad continuum of energies, produced by interaction of an 800 MeV proton beam with a beryllium target, were scattered from a polarized proton target. At each angle, for the whole energy region, the scattered neutron and conjugate recoil proton were detected in coincidence. A previously unseen minimum is observed in the energy dependence of (∼100°) near 625 MeV.
- Received 24 October 1988
DOI:https://doi.org/10.1103/PhysRevC.39.965
©1989 American Physical Society