论文标题
$^{222} $ rn-Enerating不锈钢源的生产和表征
Production and characterization of a $^{222}$Rn-emanating stainless steel source
论文作者
论文摘要
精确的ra测量是各种应用的要求，从环境研究的辐射保护到稀有事件搜索的物质筛选活动。所有这些最终都取决于具有已知稳定的ra散发速率的校准源的可用性。已经研究了一种新的方法来通过植入$^{226} $ ra ions植入不锈钢来生产清洁和干燥的ra源。在主要研究的证明中，已经与位于CERN的Isolde设施合作植入了两个不锈钢板。我们介绍了来源的完整表征的结果。每个样品的ra散发速率约为2 BQ，已使用静电ra监测器以及微型化的比例计数器进行了测量。使用HPGE和Alpha光谱法以及低温下的ra散发速率的测量进行了其他测量。
Precise radon measurements are a requirement for various applications, ranging from radiation protection over environmental studies to material screening campaigns for rare-event searches. All of them ultimately depend on the availability of calibration sources with a known and stable radon emanation rate. A new approach to produce clean and dry radon sources by implantation of $^{226}$Ra ions into stainless steel has been investigated. In a proof of principle study, two stainless steel plates have been implanted in collaboration with the ISOLDE facility located at CERN. We present results from a complete characterization of the sources. Each sample provides a radon emanation rate of about 2 Bq, which has been measured using electrostatic radon monitors as well as miniaturized proportional counters. Additional measurements using HPGe and alpha spectrometry as well as measurements of the radon emanation rate at low temperatures were carried out.
