Various factors affecting the calibration of alpha track detectors : a Monte Carlo study /
'). This relationship is termed the ATD calibration constant
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1995.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | '). This relationship is termed the ATD calibration constant (simulating changes in altitude) and canister geometry on (tracks CM-2 per kBq hr m-'). The ATD calibration constant alpha particle energy/angular spectrum found at the detector alpha track detectors (ATD). A common detector configuration calculations were based upon an analytical expression for the calibration coefficient was determined to be 1.65 (tracks cm' Carlo computer code. The alpha particle propagation was CM-2 per kBq hr m-'). consists of cellulose nitrate film (Kodak LR-115 II(TM)) correction factors. The optimum canister geometry was curves for alpha particles in air (ICRU 1993). Film response determined to be 3.75 cm (1.5 inches) in height with a radius effects of changes in ambient atmospheric pressure enclosed in a cylindrical metallic canister. The ATD system film (tracks cm') to the integrated radon exposure (kBq hr m- film surface was characterized. Investigations into the for LR 115 II type detectors was calculated using a Monte fractions of radon progeny plating out on the inner surfaces Hg) drop in ambient pressure, and a 14% decrease in the in an increase of the calibration coefficient to 1.81 tracks Low levels of indoor radon are frequently monitored using must be properly calibrated to provide accurate estimations of at least 5 cm (2 inches). This ATD configuration results of indoor radon levels. Calibration of the ATD system of the container were estimated using diffusion theory. The per kBq hr m-'). The detector response varied inversely with pressure can be compensated through the use of these pressure. Effects from differences in altitude or ambient producing a 20% increase in the response for a 17 kPa (5 in. requires relating the average observed track density on the response for a 17 kPa (5 in. Hg) increase in ambient simulated using random trajectories and the range-energy the ambient pressure. The detector response was non-linear the calibration coefficient were also performed. The track forming probability of LR 115 II (Damkjaer 1986). The |
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| Item Description: | "Major subject: Health Physics". Vita. |
| Physical Description: | xi, 87 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references. |