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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10829

Title: Experimental studies of inelastic X-ray and gamma-ray scattering
Authors: KANE, PP
Keywords: k-shell electrons
compton cross-section
high-energy photons
to-single photoionization
nuclear resonant scattering
dynamic structure factor
double-ionization
synchrotron-radiation
momentum-transfer
bound electrons
Issue Date: 1997
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: RADIATION PHYSICS AND CHEMISTRY, 50(1), 31-62
Abstract: Studies of inelastic scattering of X-rays and gamma-rays of energies higher than 30 keV performed with the help of NaI(Tl) and semi-conductor detectors of moderate and good resolution, respectively, are considered in the first part of this review. Theoretical treatments based on the non-relativistic (e(2)/2mc(2))A(2) interaction term, the impulse approximation, the incoherent scattering function approximation, the (-e/mc)P . A interaction term, and the relativistic second order S matrix approach have been used to understand a few representative experimental results concerning Compton scattering from K- and L-shells, and from whole atoms for values of the momentum transfer parameter x larger than about 2 Angstrom(-1), where x = sin(theta/2)/lambda, theta is the scattering angle and lambda is the wavelength of the incident radiation. Techniques of detection of recoil ions have been described in the context of recent measurements of relative probabilities for double and single ionization in Compton scattering from helium. The second part of this review deals with high resolution measurements concerning inelastic scattering of X-rays of energies lower than about 20 keV. A recently demonstrated dependence of K and L X-ray fluorescence spectra on incident photon energy near respective thresholds is highlighted along with its explanation based on crystal momenta and a single step resonant inelastic scattering treatment. Non-resonant inelastic scattering studies involving the excitation of plasmons and phonons in condensed matter are also discussed. Nonlinear photon-density dependent effects interpreted as Compton scattering, and final remarks are then presented. (C) 1997 .
URI: http://dx.doi.org/10.1016/S0969-806X(97)00023-6
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10829
http://hdl.handle.net/10054/10829
ISSN: 0969-806X
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