International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2572

Full Length Research Paper

Compton scattering of 662 keV gamma rays by aluminium and copper materials using NaI(Tl) detector

I. Hossain1*, N. A. Azmi1, M. A. Saeed1, M. E. Hoque2, K. K. Viswanathan3 and H. Y. Abdullah1    
1Department of Physics, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia. 2Department of Physics, Jahangirnagar University, Bangladesh. 3Department of Mathematics, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia.    
Email: [email protected]

  •  Accepted: 06 January 2012
  •  Published: 23 January 2012

Abstract

A rotating NaI(TI) scintillator detector and a collimated Cs137 source producing gamma rays with an energy of 662 keV scattered incoherently by aluminum (Al) and copper (Cu) scatterers through the angles from 0 to 120° are used to study Compton scattering. The Compton scattering effect is investigated and found that the energy of scattered gamma ray decreases as the scattering angles increases. The differential scattering cross-section as a function of scattering angles is also measured. The experimental results of differential scattering cross-sections for Al and Cu scatterers were compared as a function of scattering angle and found to coincide at the higher angle region, although scattering cross-section for Cu are larger than Al scatterer at the lower angles region.

 

Key words: Incoherently, scatterers, cross-section, energy.

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