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Equipment and methods for rapid analysis of PWO full-sized scintillation crystal radiation hardness during mass production

机译:在批量生产过程中快速分析PWO全尺寸闪烁晶体辐射硬度的设备和方法

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摘要

The mass production of lead tungstate crystals (PWO) for the Compact Muon Solenoid (CMS) Project at CERN began at the Bogoroditsk Techno- Chemical Plant (BTCP, Tula Region, Russia) in 2000. Mass production technology, developed in recent years, is based on a set of methods and instrumentation for crystal growth and machining, as well as quality control and certification of crystals. One of the most crucial categories of tolerances is the radiation hardness of crystals. Control of the PWO radiation hardness during the mass production phase requires a reliable, easy-to-use measuring tool with high productivity. A semiautomatic spectrometric setup for PWO radiation hardness monitoring was developed and tested at CERN. After final crosschecks, the setup was put into operation at BTCP. (13 refs).
机译:2000年,Bogoroditsk技术化学工厂(俄罗斯图拉地区BTCP)开始为CERN的紧凑型μon螺线管(CMS)项目生产钨酸铅晶体(PWO)。近年来,已开发出大量生产技术。基于一套用于晶体生长和加工的方法和仪器,以及晶体的质量控制和认证。公差的最关键类别之一是晶体的辐射硬度。在批量生产阶段,要控制PWO辐射硬度,需要一种可靠,易于使用且生产率高的测量工具。在CERN开发并测试了用于PWO辐射硬度监测的半自动光谱仪。经过最终的交叉检查后,该设置已在BTCP投入运行。 (13个裁判)。

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