Development of aerogel Cherenkov counters with wavelength shifters and phototubes

被引：30

作者：

Barnykov, MY

Buzykaev, AR

Danilyuk, AF

Ganzhur, SF

Goldberg, II

Kolachev, GM

Kononov, SA

Kravchenko, EA

Mikerov, VI

Muraviova, TM

Minakov, GD

Onuchin, AP ^{[1
]}

Sidorov, AV

Tayursky, VA

机构：

[1] Budker Inst Nucl Phys, RU-630090 Novosibirsk, Russia

[2] Boreskov Inst Catalysis, Novosibirsk, Russia

[3] AOOT Katod, Novosibirsk, Russia

[4] Inst Polymers, Dzerzhinsk, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1998年 / 419卷 / 2-3期

基金：

俄罗斯基础研究基金会;

关键词：

particle identification; aerogel; Monte Carlo; wavelength shifters;

D O I：

10.1016/S0168-9002(98)00871-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The paper deals with the development of Cherenkov counters based on Aerogel, wavelength SHIfters and PHototubes (ASHIPH). Microchannel plate photomultipliers with multialkali photocathodes are used. Data on the PMT multiplication gain in the magnetic field and noise are presented. The main parameters of the wavelength shifters, aerogel SAN-96, and the PTFE reflector are measured. The project of the ASHIPH system is developed for the KEDR detector. The counters will operate in a 1.8 T magnetic field and will separate pi- and K-mesons in the momentum region of 0.6 -1.5 GeV/c. Compared to the option of the direct light collection on the photomultiplier, this method offers a possibility to diminish the number of PMTs essentially. The possibility to increase light collection in the ASHIPH detector using a combination of 'blue' and 'green' shifters is discussed. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：584 / 589

页数：6

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