CR39和Makrofol核径迹探测器的体蚀刻速率测量和校准
Bulk etch rate measurements and calibrations of CR39 and Makrofol nuclear track detectors
摘要：
我们开发了一种新的方法，用于确定散装蚀刻速率速度的基础上的圆锥高度和底部直径测量的蚀刻轨道。本文将此方法应用于158 A GeV In^{49+}和Pb^{82+}离子辐照的CR 39和Makrofol核径迹探测器的刻度。对于CR 39，铟离子及其不同碎片对应的峰在Z/β = 7至49之间分离良好：检测阈值为REL ~ 50 MeV cm ^2 g^{-1}，对应于Z/β = 7的核碎片。用Pb^{82+}离子校准Makrofol显示了由于铅离子和它们的碎片从Z/β ~ 51到83（电荷拾取）引起的所有峰。Makrofol的探测阈值为REL ~ 2700 MeV cm ^2 g^{-1}，相当于Z/beta = 51的核碎片。
英文摘要：
We developed a new method for determining the bulk etch rate velocity based on both cone height and base diameter measurements of the etched tracks. This method is applied here for the calibration of CR39 and Makrofol nuclear track detectors exposed to 158 A GeV In^{49+} and Pb^{82+} ions, respectively. For CR39 the peaks corresponding to indium ions and their different fragments are well separated from Z/beta = 7 to 49: the detection threshold is at REL ~ 50 MeV cm^2 g^{-1}, corresponding to a nuclear fragment with Z/beta = 7. The calibration of Makrofol with Pb^{82+} ions has shown all peaks due to lead ions and their fragments from Z/beta ~ 51 to 83 (charge pickup). The detection threshold of Makrofol is at REL ~ 2700 MeV cm^2 g^{-1}, corresponding to a nuclear fragment with Z/beta = 51.
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