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Published: 2023-01-13
Abstract Views: 327
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DOI: https://doi.org/10.53747/nst.v12i1.374
Issue
Vol. 12 No. 1 (2022)
Section
Articles
How to Cite
Le, H. L., Nguyen, H. L., Ong, Q. S., Ho, M. D., Dao, V. H., Truong, T. S., Vo, V. T., & Le, Q. V. (2023). Establishment and quality assessment of X-ray narrow spectrum series according to ISO 4037:2019 at SSDL of Center For Nuclear Technologies. Nuclear Science and Technology, 12(1), 01-11. https://doi.org/10.53747/nst.v12i1.374

Establishment and quality assessment of X-ray narrow spectrum series according to ISO 4037:2019 at SSDL of Center For Nuclear Technologies

Le Huu Loi1, Nguyen Hoang Long1, Ong Quang Son1, Ho Manh Dung1, Dao Van Hoang1, Truong Truong Son2, Vo Van Tien1, Le Quang Vuong2
1 Center for Nuclear Technologies (CNT), 217 Nguyen Trai Street, District 1, Ho Chi Minh City, Vietnam
2 HCMC University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, Vietnam

Main Article Content

Abstract

The X-ray narrow spectrum series in the range from 40 to 120 kV were established according to the requirements of the ISO 4037:2019. This study was conducted by experimental measurements and the use of the SpekPy v2.0 – a software toolkit for modeling of X-ray spectra. The experiments were done to determine inherent filtration (0.332 mm and 0.492 mm Al at 100 cm and 250 cm, respectively). The HVL values obtained by experiment and simulation were biased 0.10 and 0.09 mm Al, respectively as compared with ISO 4037:2019. The homogeneity coefficient h ranged from 0.91 to 0.97 by experiment and from 0.89 to 0.96 by simulation. Contribution of the scattering component was evaluated less than 4.0%. Air kerma rate values at distances of 100 cm and 250 cm have also been determined with the uncertainties ranging from 3.85% to 5.18% by experiment and 3.41% to 4.19% by simulation. The obtained results revealed that the X-ray radiation field established at CNT providing that it meets the requirements of the ISO 4037:2019, which is fitting for the purpose of calibration of survey meters and personal dosimeters.

Article Details

Keywords

SpekPy v2.0, Inherent filtration, Narrow-spectrum, Half-value layer, Scattered radiation, Field uniformity, uncertainty

References

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