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Deep inelastic electron scattering cross sections have been measured from Ca at energies between 100 and 375 MeV and at scattering angles of 90' and 140'. Longitudinal and transverse response functions at three-vector momentum transfers of 330, 370, and 410 MeV/c were extracted from these data using a Rosenbluth separation. The integrated longitudinal response functions for the three momentum transfers are found to have, respectively, 65%, 75%, and 90% of the longitudinal strength predicted by the Fermi gas model.

A general method for relating Co" gamma ray and monoenergetic electron beam displacement damage is presented. The approach is based on the concept of effective "displacement damage dose", which is analogous to ideas used to study ionizing radiation effects. The response to electron damage of p-type gallium arsenide and indium phosphide solar cells, as previously reported for p-type silicon solar cells, is proportional to the square of the nonionizing energy loss.