Atomic Fluorescence Yields

On Electron Beam Ionization of Air and Chemical Reactions for Disturbed Air Deionization

“…02 + e (19) hv +0 2 O 0+ +O+e (20) However, for photona with energies above 200 eV and where Compton effect is small the photoicnization proceeds via the inner shell ionization and one generates N2 and 02 due to the Aager process 2 4 because the x-ray fluorescence yield 25 is very low for low z elements. These doubly ionized molecules, however, will be converted to 2 N 2 and 2 02 through charge exchange with their respective molecules.…”

Calculation of K-shell fluorescence yields for low-Z elements

“…The curve is the fitting according to formula (1) The analytical function used for the interpolation is the following third degree polynomial: (1)…”

“…Several attempts were made, in a tabular form [1][2][3][4], for measuring and calculating the K-shell fluorescence yields for a wide range of elements. A large deviations were generally observed between the theoretical and the experimental values.…”

Linear polarization of low-energy bremsstrahlung

“…However, the escape-peak-to-photopeak ratio as a function of energy is applied as a correction to the raw data. Uncertainties associated with this technique resuT from un certainties in the attenuation coefficients and fluorescence yields used, as well as from spectral impurities in the photon beam/ An erroi of 5% is assigned to each of these three sources with a resulting total uncertainty of approximately ±9%, -5 Attenuation coefficients used in this experiment were taken from McMaster et al, 48 and fluorescence yields were taken from Fink et al 49 ~ ~…”