核定年用U-Th自然系列核素标准集的方法

IF 1.8 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Applied Radiation and Isotopes Pub Date : 2025-06-26 DOI:10.1016/j.apradiso.2025.112017

O. Pop, V. Maslyuk

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引用次数: 0

摘要

陆地放射性特征可用于核素标准集（SMN）框架内的核定年程序。该方法允许计算几乎所有自然系列的U/Th放射性核素。它可以指出事件的时间和研究对象的年代可靠性。后者对于研究重启核天文钟是否违反同位素的放射性平衡等具有重要意义。核素系统开放/封闭程度不同的喀尔巴阡山脉的岩石和土壤样品说明了SSN方法的能力。238U自然系列同位素被用于核定年程序。采用统计检验模拟研究的实际情况，考虑低背景实验的误差。结果表明，土壤中镭同位素与铀的比值和钍同位素与铀的比值可以作为土壤形成过程的一个特征。

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Method of standard sets of the nuclides of U-Th natural series for nuclear dating

The characteristics of terrestrial radioactivity can be used for the nuclear dating procedure in the framework of standard sets of nuclides (SMN). The method allows accounting for almost all natural series U/Th radionuclides. It can point out the time of the event and the reliability of dating for the objects of study. The latter is important to study whether restarting the nuclear chronometer violates the isotopes’ radioactive balance et al. The SSN method's abilities are illustrated by the example of both rocks and soil samples of Transcarpathia's mountainous regions with different degrees of openness/closedness of radionuclide systems. The isotopes of ²³⁸U natural series were used for nuclear dating procedures.

The study's actual conditions were simulated using statistical testing, allowing for the low-background experiment's errors to be considered. It is shown that the value of the ratio of radium isotopes to uranium and thorium to uranium in soils can serve as a characteristic of the soil formation process.

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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.