The triple differential cross-section for K-shell ionization of silver and copper atoms by relativistic electrons have been computed in the coplanar symmetric geometry with the inclusion of exchange effects following the multiple scattering theory of Das and Seal  multiplied by suitable spinors. Present computed results are marginally improved in some cases from the previous computed results . Present results are compared with measured values  and with previous computation results . Some other theoretical computational results are also presented here for comparison.
Volume 94, 2020
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