On gamma-ray spectrometry pulses real time digital shaping and processing

Boghrati, B.; Moussavi-Zarandi, A.; Esmaeili, V.; Nabavi, Neda; Ghergherehchi, Mitra

doi:10.1134/s0020441211050034

Cited by 5 publications

(1 citation statement)

References 28 publications

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“…В частности, в связи с развитием электронных компонентов, например, быстрых аналогово-цифровых преобразователей с большим числом разрядов, метод цифровой обработки электрических сигналов с детекторов в режиме реального времени сегодня является крайне перспективным [12]. Подобные алгоритмы успешно применяются для различных типов гамма-спектрометров, в частности для сцинтилляционных [13] и полупроводниковых [14].…”

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Assessment of technogenic acoustic background influence on y-spectrometer readings at registration of y-radiation spectra

Elokhin,

Ulin,

Majidov

et al. 2024

GNS

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The paper presents theoretical and experimental data determining the effect of acoustic perturbation on the readings of a γ-detector (CGS) with a working medium (high-pressure xenon gas) operating in the field of ionizing radiation. For this purpose, a chain of events is considered: an acoustic wave falls on the surface of the CGS, passes through and produces a perturbation in the gas which forms a non-uniformity of pressure distribution in the working medium. Exposure to ionising radiation leads to the formation of positive ions in the gas, the mobility of which is much lower than the mobility of free electrons, which are the main carriers in CGS. The experiments are carried out using an unmanned dosimetric complex BDK with a carrier in the form of (helicopter-type UAV) on which dosimetric equipment used for radiation control of the environment in conditions of its radioactive contamination is attached. Theoretical results obtained by solving the wave equation of sound wave passage in xenon filling the CGS are presented in the form of xenon density. The obtained data allowes us to obtain the radial distribution of the current density at different moments of the harmonic acoustic oscillation period. Experimental data demonstrated frequency characteristics of acoustic load and their amplitude values in different modes of UAV operation. The results of the research determine the recommendations that should be taken into account when using UAVs as carriers of dosimetric equipment in radiation monitoring of the environment.

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Section: +unclassified