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Title: Coherent to incoherent cross section ratio for 59.54 keV gamma rays at scattering angle of 110°

The coherent (Rayleigh) to incoherent (Compton) scattering cross-section ratio of elements, in the range 13 ≤ Z ≤ 82, are determined experimentally for 59.54 keV incident gamma photons. An HPGe (High purity germanium) semiconductor detector is employed, at scattering angle of 110°, to record the spectra originating from interactions of incident gamma photons with the target under investigation. The intensity ratio of Rayleigh to Compton scattered peaks observed in the recorded spectra, and corrected for photo-peak efficiency of gamma detector and absorption of photons in the target and air, along with the other required parameters provides the differential cross-section ratio. The measured values of cross-section ratio are found to agree with theoretical predictions based upon non-relativistic form factor, relativistic form factor, modified form factor and S-matrix theory.
Authors:
; ;  [1] ;  [2]
  1. Physics Department, Punjabi University, Patiala 147002 (India)
  2. Deptt. of Math. Stat. & Physics, Punjab Agricultural University, Ludhiana 141004 (India)
Publication Date:
OSTI Identifier:
22488884
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1675; Journal Issue: 1; Conference: AMRP-2015: 4. national conference on advanced materials and radiation physics, Longowal (India), 13-14 Mar 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ABSORPTION; COMPTON EFFECT; DIFFERENTIAL CROSS SECTIONS; EFFICIENCY; FORM FACTORS; GAMMA RADIATION; GAMMA SPECTROSCOPY; HIGH-PURITY GE DETECTORS; PHOTONS; RAYLEIGH SCATTERING; RELATIVISTIC RANGE; S MATRIX