Inderscience Publishers

Determination of K shell parameters of silver using high resolution HPGe detector spectrometer

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The K shell parameters such as K shell photoelectric cross–section at K shell binding energy, K shell jump ratio, K shell jump factor, the Davisson–Kirchner ratio and K shell oscillator strength of silver have been determined using high resolution HPGe detector coupled to 16K multichannel analyser. In this method the K X–ray photons in the energy region from 8 to 52 keV are generated by sending 59.56 keV gamma photons from Am–241 source on various targets. These X–ray photons are allowed to pass through a silver foil in good geometry arrangement. By measuring the intensities of incident and transmitted photons, the mass attenuation coefficients are determined at various X–ray energies. Measured mass attenuation coefficient around K shell binding energy and K shell parameters have been compared with values predicted by XCOM and FFAST and with other experimental values.

Keywords: silver, HPGe detector, K shell parameters, absorption edge, jump ratio, jump factor, EDXRF, mass attenuation coefficient, photon absorption, photon scattering

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