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

Mohd Fahmi Mohd Yusof | Zendy; Norriza Mohd Isa | Zendy; Abduhalik Kadir | Zendy; Husaini Salleh | Zendy

Open Access

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

Author(s) -

Mohd Fahmi Mohd Yusof,

Norriza Mohd Isa,

Abduhalik Kadir,

Husaini Salleh

Publication year - 2019

Publication title -

iop conference series materials science and engineering

Language(s) - English

Resource type - Journals

eISSN - 1757-899X

pISSN - 1757-8981

DOI - 10.1088/1757-899x/555/1/012028

Subject(s) - attenuation , compton scattering , photon , scattering , mass attenuation coefficient , attenuation coefficient , physics , energy (signal processing) , optics , computational physics , atomic physics , nuclear physics , materials science , quantum mechanics

The measurements of mass attenuation coefficients by using Compton scattering technique was carried out by using the Ludlum configuration. A 137 Cs 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.

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