Application of a Cauchois Spectrometer to Measurement of Ion-Excited Ni Kα Satellite Spectra
A transmission crystal (Cauchois) spectrometer was used for the first time for high resolution measurements of ion-excited x rays. Ni Ka satellite spectra produced in collisions of 61 MeV Ni ions with a Ni target showed that the simply-constructed instrument is useful for high-energy atomic collision studies. Dependence of measured and calculated satellite energies on atomic number was examined. Ka satellite peak spacings computed from Hartree-Fock-Slater theory were found to be significantly smaller than experiment for elements Ca-Ni. The measured Ni Ka spectrum contains structure not found in spectra from lighter atoms.
KeywordsSatellite Spacing Proportional Counter Target Atom High Energy Limit High Resolution Measurement
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