New Start of Lead Tungstate Crystal Production for High-Energy Physics Experiments

被引：5
作者：
Borisevich, Andrei [1 ]
Dormenev, Valery [2 ]
Houzvicka, Jindrich [3 ]
Korjik, Mikhail [1 ]
Novotny, Rainer W. [2 ]
机构：
[1] Inst Nucl Problems, Minsk 220030, BELARUS
[2] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany
[3] CRYTUR Spol Sro, CZ-51101 Turnov, Czech Republic
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2016年 / 63卷 / 02期
关键词：
Lead tungstate; scintillator and electromagnetic calorimeter; SCINTILLATION; CMS;
D O I：
10.1109/TNS.2015.2505716
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Presently, there is a demand to apply high-quality lead tungstate (PbWO4, PWO) scintillation material for electromagnetic calorimetry (EMC). Unfortunately, the mass production of lead tungstate using the Czochralski method was stopped after shut down of Bogoroditsk Technological Chemical Plant (Bogoroditsk, Russia). CRYTUR (Turnov, Czech Republic) having long time experience and the necessary technology in the development and mass production of oxide crystals expressed their interest in meeting PWO requirements for the high-energy physics community. Last year the development of lead tungstate crystals was started by CRYTUR. Several series of samples were produced under different technical conditions. All test crystals are being characterized with respect to light yield, scintillation kinetics, photoluminescence, optical transmittance and radiation hardness studied by gamma-ray irradiation in laboratories at Giessen and Minsk. The obtained results confirmed that the technological approach of CRYTUR will allow to produce PWO crystals with properties very close to the PWO-II specifications of the PANDA experiment at FAIR (Darmstadt, Germany).
引用
收藏
页码：569 / 573
页数：5
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