The s and u variations of the np charge-exchange (np→pn) cross section are measured to be relatively smooth and without structure at intermediate energies—in sharp contast to previous results.
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The differential cross section for n−p elastic scattering in the angular region 145°<θc.m.<180° has been measured with high statistical accuracy using the monoenergetic neutron beam at Clinton P. Anderson Meson Physics Facility. The results differ significantly from previous Dubna and Princeton-Pennsylvania Accelerator results but agree reasonably well with recent Saclay data except at extreme backward angles.
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