Measuring the 208Tl range of E ≤ 116 keV in silver films

IF 1.5 4区物理与天体物理 Q3 OPTICS The European Physical Journal D Pub Date : 2025-04-07 DOI:10.1140/epjd/s10053-025-00972-5

Y. Ben-Galim, R. Moreh

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Abstract

In this study, measurements of the effective range of ²⁰⁸Tl ions (E ≤ 116 keV) emanating from the recoil daughters from ²²⁰Rn were carried out. The target used was a set of thin silver films. The amount of the stopped ²⁰⁸Tl ions in each film was determined by measuring the short-lived (~3 m) \(\beta \) activity of ²⁰⁸Tl, where the effective range was found to be 11.8 ± 2.36 µg/cm². This value is in agreement (~20%) with Monte Carlo simulations using SRIM-TRIM software. These simulations also included the attenuation of ²⁰⁸Tl ions caused by the interaction of the ions with the Al sheet holding the ²⁰⁸Tl ion source. After adding the weakened ²⁰⁸Tl source to the simulation, the resulting width of the simulated spectrum was in agreement with experiment (to within 4.5%).

Graphical abstract

Experimental and simulated range histogram of E ≤ 116 keV ²⁰⁸Tl ions in silver films

Abstract Image

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测量银膜中E≤116 keV的208Tl范围

在本研究中，测量了208Tl离子（E≤116 keV）从220Rn的反冲子体发射的有效范围。所用的靶材是一组银薄膜。通过测量208Tl的短暂（3 m） \(\beta \)活性来确定每个膜中停止的208Tl离子的数量，其中有效范围为11.8±2.36µg/cm2。该值一致（20）%) with Monte Carlo simulations using SRIM-TRIM software. These simulations also included the attenuation of 208Tl ions caused by the interaction of the ions with the Al sheet holding the 208Tl ion source. After adding the weakened 208Tl source to the simulation, the resulting width of the simulated spectrum was in agreement with experiment (to within 4.5%).Graphical abstractExperimental and simulated range histogram of E ≤ 116 keV 208Tl ions in silver films

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来源期刊

The European Physical Journal D 物理-物理：原子、分子和化学物理

CiteScore

3.10

自引率

11.10%

发文量

213

审稿时长

3 months

期刊介绍： The European Physical Journal D (EPJ D) presents new and original research results in: Atomic Physics; Molecular Physics and Chemical Physics; Atomic and Molecular Collisions; Clusters and Nanostructures; Plasma Physics; Laser Cooling and Quantum Gas; Nonlinear Dynamics; Optical Physics; Quantum Optics and Quantum Information; Ultraintense and Ultrashort Laser Fields. The range of topics covered in these areas is extensive, from Molecular Interaction and Reactivity to Spectroscopy and Thermodynamics of Clusters, from Atomic Optics to Bose-Einstein Condensation to Femtochemistry.