Ludlum configuration for the measurement of mass attenuation coefficients at high energy photons by using Compton scattering method

The measurements of mass attenuation coefficients by using Compton scattering technique was carried out by using the Ludlum configuration. A 137Cs sealed sourced was used and attenuated at angles between 30 and 75° to provide scattered gamma energies between 337.72 and 564.09 keV. The mass attenuati...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-06, Vol.555 (1), p.12028
Main Authors: Mohd Yusof, M F, Mohd Isa, N, Abd Kadir, A B, Salleh, H
Format: Article
Language:English
Subjects:
Attenuation coefficients
Cesium 137
Cesium isotopes
Configurations
Elastic scattering
Perspex
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Summary:The measurements of mass attenuation coefficients by using Compton scattering technique was carried out by using the Ludlum configuration. A 137Cs sealed sourced was used and attenuated at angles between 30 and 75° to provide scattered gamma energies between 337.72 and 564.09 keV. The mass attenuation coefficients of solid water and perspex were measured and compared to the calculated value of water by using XCOM. The results showed that the measured mass attenuation coefficients of solid water and Perspex® phantoms were in agreement to the values of water within 6.84 and 7.20% average percentage of discrepancies. The results indicated the suitability of the Ludlum configuration for the measurement of mass attenuation coefficients by using the Compton scattering method.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/555/1/012028