Effect of Collimator Thickness on Build-up Factor Value for γ-radiation Using Inferential Statistic
Journal Title: Asian Journal of Physical and Chemical Sciences - Year 2017, Vol 3, Issue 3
Abstract
A study of the effect of collimator thickness on the build-up factor value for the γ-radiation source has been conducted. The γ-radiation source used is from Cesium-137. The materials used in this research are concrete and wood, each of which was divided into 6 cm and 9 cm thickness. Data retrieval is done using Vernier Interface with Logger Pro 1.8 application. The data obtained are 600 radiation counts for each material thickness. The data processing of the enumeration results using inferential statistics is done to analyze the thickness of the collimator to the build-up factor value. The effect of the thickness of some of these materials is important to determine the value of build-up factor.The result obtained from the calculation is the build-up factor value increases along with the increasing thickness of the collimator for all materials. It is obtained that the build-up factor value is influenced by the thickness of the collimator. The B value for 6 cm & 9 cm wood collimator are 12,3% and 59,83% respectively while for 6 cm and 9 cm concrete collimator are 36,88% and 72,95% respectively, from B reference. The study of the build-up factor will be very useful in its application to the manufacture of radiation shields.
Authors and Affiliations
Panji P. Aji, Giner Maslebu, Suryasatriya Trihandaru
Keywords
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- EP ID EP338802
- DOI 10.9734/AJOPACS/2017/34467
- Views 84
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