کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1875838 1532092 2015 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Monte Carlo based calibration of an air monitoring system for gamma and beta+ radiation
ترجمه فارسی عنوان
کالیبراسیون مونت کارلو مبتنی بر یک سیستم نظارت بر هوا برای تابش گاما و بتا + است
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
چکیده انگلیسی


• A GEANT4 simulation is developed for the calibration of an air monitoring system.
• Correction for both gamma and beta+ emitters are obtained.
• Simulation results are compared with analytical self-attenuation correction factors.
• The estimated accuracy of the Monte Carlo technique is within 2%.

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.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 105, November 2015, Pages 273–277
نویسندگان
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