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Monte Carlo based calibration of an air monitoring system for gamma and beta plus radiation

机译:基于Monte Carlo用于伽马和β加辐射的空气监测系统的校准

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摘要

Marinelli beaker systems are used to monitor the activity of radioactive samples. These systems are usually calibrated with water solutions and the determination of the activity in gases requires correction coefficients accounting for the different mass-thickness of the sample. For beta+ radionuclides the different distribution of the positrons annihilation points should be also considered. In this work a Monte Carlo simulation based on Geant4 is used to compute correction coefficients for the measurement of the activity of air samples. (C) 2015 Elsevier Ltd. All rights reserved.
机译:Marinelli烧杯系统用于监测放射性样品的活动。 这些系统通常用水溶液校准,并且气体中活性的测定需要校正系数算用于样品的不同质量厚度。 对于β+放射性核素,还应考虑正弦湮灭点的不同分布。 在这项工作中,基于GEANT4的蒙特卡罗模拟用于计算用于测量空气样本的校正系数。 (c)2015 Elsevier Ltd.保留所有权利。

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