A study of a short-term instability and aging of ΦEY-115M photomultiplier tubes

被引:0
|
作者
Evdokimov, V. N. [1 ]
Denisov, D. S. [2 ]
机构
[1] Inst High Energy Phys, Protvino 142281, Moscow Oblast, Russia
[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
关键词
29; 40; Mc;
D O I
10.1134/S0020441208010090
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Results of studying the instability of the gain of phi Xi-115M photomultiplier tubes (PMTs) at a varying count rate corresponding to the range of the anode current of 0.02-120 mu A are presented. It is shown that the behavior and value of the gain instability for different specimens of this PMT type substantially differs when the count rate changes. The relative change in the gain of some PMTs reaches 23%. Results of the study of the long-term behavior of the PMT gain in high-rate conditions (PMT aging study) are given. The relative gain drop is 30% after an anode charge of similar to 600 C is accumulated.
引用
收藏
页码:89 / 95
页数:7
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