Photon interaction cross sections in the low energy region in Mg and V
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Date
2004Author
Murty, V.R.K.
Devan, K.R.S.
Publisher
Elsevier Science Ltd. www.elsevier.com/locate/radphyschemType
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The interaction of photons with matter has been
extensively studied over the past several decades in view
of its importance in basic radiation physics research,
medical, industrial and other applied fields. Large
amounts of data have been complied on photon cross
sections mostly in tabular and graphical forms (Hubbell,
1999, 1994; Berger and Hubbell, 1987). A careful survey
of the latest bibliography (Hubbell, 1994) of experimental
investigations shows gaps in the cross section
data, especially in certain low-Z elements. These are
mainly attributed to the difficulty in procuring thin
absorbers in suitable form for low energy experiments. It
was also evident from the bibliography that the cross
section data was sparse for elements Mg and V,
especially, using high resolution solid state detectors in
the photon energy region below 100 keV.