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Title: Experimental measurement of coherent to incoherent cross-section ratio of elements in the range 6 ≤ Z ≤ 82 for 59.54 keV gamma photons
Authors: Singh, M P
Sharma, Amandeep
Singh, Bhajan
Sandhu, B S
Keywords: Rayleigh scattering;Compton scattering;Scattered spectra;Cross-section ratio
Issue Date: Jul-2012
Publisher: NISCAIR-CSIR, India
Abstract: The coherent (Rayleigh) to incoherent (Compton) scattering cross-section ratio of elements in the range 6 ≤ Z ≤ 82 for 59.54 keV gamma photons,have been measured. An HPGe gamma detector, placed at 90° to the incident beam, detects gamma photons scattered from the target under investigation. The intensity ratio of Rayleigh to Compton scattered peaks observed in the recorded spectra, corrected for photo-peak efficiency of gamma detector and absorption of photons in the target and air, along with the other required parameters provides differential cross-sections ratio for Rayleigh to Compton scattering. The measured values of cross-section ratio are found to agree with theory for low Z elements, but deviate from theory for high Z elements.
Page(s): 490-493
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.50(07) [July 2012]

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