225Ac及其子代放射性平衡的活度测量与校准。

IF 1.6 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR Applied Radiation and Isotopes Pub Date : 2024-12-09 DOI:10.1016/j.apradiso.2024.111630

Denis E. Bergeron , Gulakhshan Hamad , Brittany A. Broder , Jeffrey T. Cessna , Adam J. Pearce , Jerome LaRosa , Leticia Pibida , Rhys Salter , Neha S. Saxena , Brian E. Zimmerman

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引用次数: 0

摘要

通过四次连续的测量活动，采用多种主要方法测量了 0.1 mol/L HCl 中 225Ac 的质量活度。液体闪烁（LS）计数的三重-双重重合比（TDCR）方法得出的结果与其他基于液体闪烁的初级方法一致。介绍了商用放射性核素校准器（"剂量校准器"）的校准，并讨论了当前的文献值。还讨论了实验电离室和 NaI（Tl）井计数器反应与基准蒙特卡罗模型之间的比较。

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Activity measurements and calibrations for 225Ac in radioactive equilibrium with its progeny

The massic activity of ²²⁵Ac in 0.1 mol/L HCl was measured by multiple primary methods over four consistent measurement campaigns. Results from the triple-to-double coincidence ratio (TDCR) method of liquid scintillation (LS) counting were in accord with other LS-based primary methods. The calibration of commercial radionuclide calibrators (“dose calibrators”) is described, with discussion of current literature values. Comparisons between experimental ionization chamber and NaI(Tl) well counter responses and benchmarked Monte Carlo models are addressed.

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.