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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/1793

Title: Determination of anomalous elastic-scattering of gamma-rays of energies close to K-shell binding thresholds
Authors: BASAVARAJU, G
KANE, PP
Issue Date: 1994
Publisher: ELSEVIER SCIENCE BV
Citation: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,353,209-211
Abstract: Anomalous'' scattering corrections to Rayleigh scattering amplitudes calculated in the form factor approximation are of considerable interest in the study of elastic-scattering of gamma-rays and X-rays. When photon energies are close to binding energies of atomic inner shell electrons, the corrections have relatively large magnitudes. But under such conditions, the comparatively weak elastic-scattering contribution cannot be resolved even with semiconductor detectors from most of the components of target K beta(2)' X-rays. It is shown that elastic-scattering in such an interesting energy regime can be determined with the help of a least-squares-fitting procedure for the composite spectrum. The procedure is illustrated with a detailed study of 81.0 keV gamma-ray scattering from gold having a K shell binding energy of 80.723 keV. Data were obtained at several angles with gold and other targets of different atomic number Z.
URI: http://dx.doi.org/10.1016/0168-9002(94)91639-X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15042
http://hdl.handle.net/100/1793
ISSN: 0168-9002
Appears in Collections:Proceedings papers

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