使用波长偏移涂料的PMT信号增加
PMT signal increase using a wavelength shifting paint
摘要：
我们报告了一个1.65倍的光电倍增管信号和一个简单的程序的应用程序的一种新的波长移动（WLS）涂料的光电倍增管与非紫外透明窗口。在5英寸PMT（ET 9390 KB）上使用由$^{106}$ Ru电子在熔融石英盘中产生的切伦科夫辐射在“桌面”装置上测试由烃聚合物和有机氟化物制成的四种不同WLS涂料的样品。性能最好的涂料被用于两种不同类型的5英寸光电倍增管（ET 9390 KB和XP 4572 B），安装在大气压CO $_2$气体切伦科夫探测器，并使用GeV电子进行测试。
英文摘要：
We report a 1.65 times increase of the PMT signal and a simple procedure of application of a new wavelength shifting (WLS) paint for PMTs with non-UV-transparent windows. Samples of four different WLS paints, made from hydrocarbon polymers and organic fluors, were tested on a 5-inch PMT (ET 9390KB) using Cherenkov radiation produced in fused silica disks by $^{106}$Ru electrons on a `table-top' setup. The best performing paint was employed on two different types of 5-inch PMTs (ET 9390KB and XP4572B), installed in atmospheric pressure CO$_2$ gas Cherenkov detectors, and tested using GeV electrons.
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