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Determination of Effective Atomic Number and Mass Attenuation Coefficient of 5070 wrought Aluminum alloy with Multi Energetic photons

Author Affiliations

  • 1Department of Physics, Kakatiya University, Warangal-506009, INDIA
  • 2 Varadha Reddy College of Engg. Warangal-506009, INDIA
  • 3 CIC, KakatiyaUniversity Warangal-506009, INDIA
  • 4 KITS Warangal-506009, INDIA

Res. J. Physical Sci., Volume 1, Issue (10), Pages 1-5, November,4 (2013)

Abstract

The total mass attenuation coefficients m, for wrought aluminum alloy 5070 were measured at 59.5, 661.16, 1173, 1332keV photon energies. The sample was exposed with137Cs, 60Co and 241Am radioactive point sources using narrow beam transmission arrangement. The gamma-rays were counted by a NaI (Tl) detector with resolution of 8% of photon energy. Total atomic and electronic cross-sections (σt and σe ), effective atomic number (Zeff), electron density (Nel) and photon mean free path (λ) have been determined using the obtained m values for 5070 aluminum alloy. The experimental values have been compared with theoretical values estimated from mixture rule and XCOM, and the agreement is found to be good.

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