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Title: Effective atomic number of polymer blended granite stones for Compton scattering
Authors: Sankarshan, B M
Kumar, S Prasanna
Umesh, T K
Keywords: Effective atomic number Zeff;Energy dispersive X-ray spectroscopy (EDS);Polymer blended granite stones;Compton scattering
Issue Date: Aug-2018
Publisher: NISCAIR-CSIR, India
Abstract: Polymer blended granite stones which are a combination of polymers with their flexibility on the one hand and granite stones with their strength on the other, are useful in many applications of human enterprise.  It is very important to understand the interaction of these materials with gamma radiation especially in the widely used energy region 50 keV to 1500 keV. In this energy region, Compton scattering is a dominant process. Hence in the present work we have made an attempt to determine the effective atomic number (Zeff) of some polymer blended granite stones using the single differential scattering cross section for gamma rays of energy 59.54 keV at 105°. Compositions of these samples have been determined using energy dispersive X-ray spectroscopy (EDS), which is further used to determine theempirical values of Zeff of these samples based on Auto-Zeff programme. On comparison these values are found to match with Zeff obtained from experiment within the range of experimental errors.
Page(s): 653-655
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Appears in Collections:IJPAP Vol.56(08) [August 2018]

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