Radiation hardness of doped and undoped lead tungstate crystals produced in China for the CMS collaboration

被引：0
|
作者：
Lecomte, P [1 ]
机构：
[1] ETH Zurich, CH-8093 Zurich, Switzerland
来源：
PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON CALORIMETRY IN HIGH ENERGY PHYSICS | 1998年
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D O I：
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中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Although lead tungstate is reportedly intrinsically radiation resistant, most samples tested in the past two years for the CMS electromagnetic calorimeter exhibited variable and often severe low dose radiation damage. To resolve this problem, an R&D effort has been undertaken by CMS and the producers. Besides improving the control of the raw materials and the stoichiometry ratio, the R&D effort explored two avenues: doping and oxygen annealing of the crystals.
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页码：118 / 123
页数：6
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