SPECTRUM AND ASYMMETRY OF HIGH ENERGY NEUTRONS EMITTED IN ABSORPTION OF POLARIZED MUONS

The rate of production and the asymmetry of neutrons emitted directly with the capture of polarized muons have been expressed in terms of single-nucleon integrals. This expression takes account of momentum-dependent terms to first order in the muon capture Hamiltonian and is suitable for calculations involving general neutron wave functions. When plane waves in nuclear matter are assumed for the neutron wave function, the calculated intensities and asymmetries are in agreement with recent experiments on silicon, sulfur and calcium. The momentum-dependent terms strongly affect the asymmetry but not the intensity, whereas the nuclear model seems to affect the intensity but not the asymmetry. © 1969.