Threshold aerogel Cherenkov counters of the KEDR detector

被引：5
|
作者：
Barnyakov, A. Yu. [1 ,3 ]
Barnyakov, M. Yu. [1 ,3 ]
Bobrovnikov, V. S. [1 ]
Buzykaev, A. R. [1 ,3 ]
Gulevich, V. V. [1 ]
Danilyuk, A. F. [2 ,3 ]
Katcin, A. A. [1 ,4 ]
Kononov, S. A. [1 ,3 ]
Kravchenko, E. A. [1 ,3 ]
Kuyanov, I. A. [1 ]
Onuchin, A. P. [1 ,3 ,4 ]
Ovtin, I. V. [1 ,4 ]
Rodyakin, V. A. [1 ]
机构：
[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[2] Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[3] Novosibirsk State Univ, Novosibirsk 630090, Russia
[4] Novosibirsk State Tech Univ, Novosibirsk 630092, Russia
来源：
JOURNAL OF INSTRUMENTATION | 2014年 / 9卷
关键词：
Particle identification methods; Cherenkov detectors; MICROCHANNEL PLATE PHOTOTUBES; WAVELENGTH SHIFTERS;
D O I：
10.1088/1748-0221/9/09/C09005
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Particle identification system based on aerogel threshold Cherenkov counters ASHIPH (Aerogel SHifter PHotomultiplier) was installed in the KEDR detector in 2013. The system consists of 160 counters arranged in two layers and contains 1000 liters of aerogel with refractive index of 1.05 and 160 MCP PMTs with multialkali photocathode. The efficiency of relativistic particles detection was measured. Long-term stability of ASHIPH counters was studied. The main reasons of efficiency degradation are presented.
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页数：8
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