Test of aerogel counters for the KEDR detector

被引:11
作者
Barnyakov, AY
Barnyakov, MY
Bobrovnikov, VS
Buzykaev, AR
Danilyuk, AF
Guber, FF
Kolachev, GM
Kononov, SA
Krasnov, VA
Kravchenko, EA
Kurepin, AB
Minakov, GD
Onuchin, AP
Savinov, GA
Tayursky, VA
机构
[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[2] Boreskov Inst Catalysis, Novosibirsk, Russia
[3] Russian Acad Sci, Inst Nucl Res, Moscow, Russia
[4] Joint Inst Nucl Res, Dubna, Russia
关键词
particle identification; aerogel; wavelength shifters;
D O I
10.1016/S0168-9002(01)01828-9
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The project of Cherenkov counters based on Aerogel, wavelength SHIfter, and PHotomultipliers (ASHIPH) for the KEDR detector is described. The quality of particle identification with the ASHIPH counters has been measured for the first time. Tests have been carried out at the Dubna accelerator, For a momentum of 1.2 GeV/c, the pi/K separation is 4.5sigma. In comparison with direct light collection on PMTs, the ASHIPH method allows to diminish the number of PMTs essentially. (C) 2002 Elsevier Science B.N. All rights reserved.
引用
收藏
页码:353 / 356
页数:4
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