Volume 48, Number 3, Juillet-Septembre 2013
|Page(s)||431 - 443|
|Published online||11 July 2013|
Study of mass attenuation coefficients, effective atomic numbers and electron densities of carbon steel and stainless steels
Department of PhysicsKarnatak University, Dharwad
2 Permanent address: Health Physics Section, Kaiga Atomic Power Station-3&4, NPCIL, Karwar, 581400, India
Received: 21 February 2013
Accepted: 19 April 2013
The mass attenuation coefficient (µ/ρ), effective atomic number (ZPleff) and effective electron density (Neff) of carbon steel and stainless steels were computed by using the WinXcom program. The µ/ρ values are higher in the photo-electric absorption and pair production region and approximately constant in the Compton scattering region. The variation in µ/ρ values is explained by partial interaction processes. The effective atomic numbers of the steels were also calculated by the Auto-Zeff program. The ZPleff values of the steels were compared with experimental results for available energies and were found to be in good agreement. SS304L shows equal values of effective atomic number by both the methods in the region of interest. The electron densities of the selected steels are observed to be equal and approximately constant in the Compton scattering region.
Key words: steel / effective atomic number / mass attenuation coefficient / Auto-Zeff
© EDP Sciences, 2013
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