Proximity focusing RICH with flat panel PMT as photon detector and aerogel as radiator

被引：15

作者：

Krizan, P ^{[1
]}

Adachi, I

Fratina, S

Fukushima, S

Gorisek, A

Iijima, T

Kawai, H

Konishi, H

Korpar, S

Kozakai, Y

Matsumoto, T

Mazuka, Y

Nishida, S

Ogawa, S

Ohtake, S

Pestotnik, R

Saitoh, S

Seki, T

Sumiyoshi, T

Uchida, Y

Unno, Y

Yamamoto, S

机构：

[1] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia

[2] J Stefan Inst, Ljubljana, Slovenia

[3] Chiba Univ, Chiba, Japan

[4] Nagoya Univ, Nagoya, Aichi, Japan

[5] Univ Maribor, Fac Chem & Chem Engn, SLO-2000 Maribor, Slovenia

[6] Tokyo Metropolitan Univ, Tokyo 158, Japan

[7] Toho Univ, Funabashi, Chiba 274, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 553卷 / 1-2期

关键词：

ring imaging Cherenkov counter; proximity focusing; aerogel; H8500 flat panel PMT; particle identification; belle;

D O I：

10.1016/j.nima.2005.08.007

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Using aerogel as radiator and 64-channel flat panel multi-anode PMTs (Hamamatsu H8500) for photon detection, a proximity focusing Cherenkov ring imaging detector has been constructed and tested in the KEK pi 2 beam. The single photon resolution obtained in the tests (typically around 14 mrad) is well approximated by estimates of contributions from pixel size and emission point uncertainty. The number of detected photons per Cherenkov ring, typically about 6 for a 2 cm thick aerogel radiator tile, is in good agreement with estimates based on aerogel and detector characteristics. The detector allows a very efficient separation of kaons and pions at 4 GeV/c. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：58 / 63

页数：6

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