Average L-Shell fluorescence yields of some rare earth elements

Punchithaya, Sripathi K and Balakrishna, K M (2013) Average L-Shell fluorescence yields of some rare earth elements. Journal of Physical Science and Application, 3 (2). pp. 102-106. ISSN 2159-5348

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Average L-shell fluorescence yields of some rare earth elements were determined using HPGe detector employing reflection geometry set up. Target atoms were excited using 59.5 keV gamma rays emerging from Am-241 source of strength 300 mCi. Background radiation and multiple scattering effects were minimized by properly shielding the detector. The elemental foils of uniform thickness and 99.9% purity were used in the present investigation. The fluorescent spectra were recorded in a 16 K multichannel -analyzer. The data were carefully analyzed and average L-shell fluorescence yields were calculated. The resulting yield values are compared with the available experimental and theoretical values.

Item Type: Article
Uncontrolled Keywords: Fluorescence yield, reflection geometry, multiple scattering.
Subjects: Engineering > MIT Manipal > Physics
Depositing User: MIT Library
Date Deposited: 01 Jan 2014 06:56
Last Modified: 01 Jan 2014 06:56
URI: http://eprints.manipal.edu/id/eprint/138186

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