Establishing of primary standard for Cs-137 air-kerma of OAP, Thailand

Rindhatayathon, Pongphanot; Siriwitpreecha, Apichart; Pungkun, Vithit

doi:10.1016/j.apradiso.2021.109586

Cited by 3 publications

(1 citation statement)

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“…The radiation quantities were established according to the ISO 4037:2019 standard. Narrow energy spectrum radiation qualities (N-40, N-60 and N-150) were used for x-ray fields while radioisotopes Cs-137 (S-Cs) wereas used for the gamma radiation field [5]. The angle of incidence is 0 • , 30 • and 60 • for the lowest narrow energy spectrum radiation (N-40) and gamma radiation (S-Cs) and 0 • for other radiation qualities.…”

Section: Irradiation Methodsmentioning

confidence: 99%

Investigating the impact of new dosimetric quantities recommended by ICRU 95 on the OSLD individual monitoring system at OAP, Thailand

Rindhatayathon,

Pungkun

2024

J. Radiol. Prot.

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This research investigates the effect of new definition of operational dosimetric quantities, especially Hp(10) to Hp recommended by ICRU Report 95, on the dosimetry system. This paper focuses on the responses of two dosimeter types, nanoDot® and InLight®, using conversional coefficients from ICRU report 57 and ICRU report 95 conversion coefficients. The dosimeters were irradiated with various beam qualities, and their responses were compared to the acceptant limits provided by the IEC 62387. The results demonstrate higher responses at new definitions recommended by ICRU report 95, indicating need for the algorithm modifications in dose calculation. 

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Section: Irradiation Methodsmentioning

confidence: 99%