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

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10 Author(s)
Drobychev, G. ; Inst. for Nucl. Phys., Minsk, Byelorussia ; Annenkov, A. ; Fedorov, A. ; Korzhik, M.
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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

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Nuclear Science, IEEE Transactions on  (Volume:48 ,  Issue: 4 )