University of Khartoum

Calibration of a Radiation Survey Meter Using Cs-137 Gamma Source

Calibration of a Radiation Survey Meter Using Cs-137 Gamma Source

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Title: Calibration of a Radiation Survey Meter Using Cs-137 Gamma Source
Author: Khalid, Rasha Osman
Abstract: The survey instrument SmartION was calibrated at the Secondary Standard Dosimetry Laboratory, Sudan Atomic Energy Commission, in terms of Kerma, free in air using Cs-137 gamma radiation. All the calibrations were performed using the reference instrument-spherical ionization chamber LS-01. This reference instrument has been calibrated at the International Atomic Energy Agency, Vienna for x-rays, 137Cs and 60Co gamma radiation. The air Kerma calibration factors for the instrument were determined as the ratio of the dose rates obtained with the reference standard chamber LS-01 and the dose rates of the instrument under calibration. The uncertainties for the survey meter SmartION and another survey meter RADOS were obtained and the results compared with the uncertainty for the reference standard chamber. Also, the values of dose rates were obtained for various angles of the incident beam, by changing the angle by which the radiation was incident on the sensitive point of the instrument
Description: 88 Pages
URI: http://khartoumspace.uofk.edu/handle/123456789/13280
Date: 2015-06-16


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