A HIGH-RESOLUTION FAST-RICH COUNTER FOR ONLINE TAGGING OF HIGH-ENERGY PARTICLES

被引：6

作者：

BALLON, J ^{[1
]}

BERAT, C ^{[1
]}

BUENERD, M ^{[1
]}

CHAUVIN, J ^{[1
]}

HOSTACHY, JY ^{[1
]}

LAAMYEM, M ^{[1
]}

MARTIN, P ^{[1
]}

REYCAMPAGNOLLE, M ^{[1
]}

TOUILLON, R ^{[1
]}

VOLKEMER, B ^{[1
]}

机构：

[1] UNIV MAINZ, INST KERNPHYS, MAINZ, GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 338卷 / 2-3期

关键词：

D O I：

10.1016/0168-9002(94)91315-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The design and performances of a new Cherenkov counter for on-line tagging of high energy particles are reported. The counter is equipped with a 6 m focal length spherical mirror and a chromatic corrector. The Cherenkov ring size is reduced by means of a set of two conical mirrors to match the active area of an image intensifier which output is read by a matrix of optical fibres partitioned in pixels, each pixel being coupled to a photomultiplier. Results of tests with pi (plus K and ($) over bar p) beams are reported and performances of the apparatus are discussed. A spatial resolution of 0.125 mm (20.6 mu rad angular) on the Cherenkov radius measurement has been obtained with a 50 mu rad divergence 220 GeV pion beam, outlining encouraging prospects for a separation of 270 GeV Sigma- and Xi- hyperons at the 5 sigma level.

引用

页码：310 / 327

页数：18

共 31 条

[1] REFRACTIVE-INDEX OF CARBON TETRAFLUORIDE (CF4) IN THE 300-140 NM WAVELENGTH RANGE [J].

ABJEAN, R ;

BIDEAUMEHU, A ;

GUERN, Y .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1990, 292 (03) :593-594

[2]

ALBERTSON E, 1992, 92001 WA89 INT NOT

[3] SOURCES OF NOISE IN HIGH-RESOLUTION TRACKING WITH SCINTILLATING FIBERS [J].

ANGELINI, C ;

BEUSCH, W ;

CARDINI, A ;

CRENNELL, DJ ;

DEVINCENZI, M ;

DIVITA, G ;

DUANE, A ;

FABRE, JP ;

FLAMINIO, V ;

FRENKEL, A ;

GYS, T ;

HARRISON, K ;

LAMANNA, E ;

LEUTZ, H ;

MARTELLOTTI, G ;

MCEWEN, JG ;

MORRISON, DRO ;

PENSO, G ;

PETRERA, S ;

RODA, C ;

SCIUBBA, A ;

VICARI, E ;

WEBSDALE, DM ;

WILQUET, G .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1990, 289 (03) :356-364

[4]

BALLON J, 1992, 4TH TOP SEM STAND MO

[5]

BALLON J, 1993, ISN9311 INT REP

[6] MULTIPLEXED FOCUSING CERENKOV COUNTER [J].

BENOT, M ;

MEUNIER, R .

NUCLEAR INSTRUMENTS & METHODS, 1980, 169 (03) :445-455

[7] SPOT-FOCUSING CERENKOV DETECTOR [J].

BENOT, M ;

BERTRAND, JC ;

MAURER, A ;

MEUNIER, R .

NUCLEAR INSTRUMENTS & METHODS, 1979, 165 (03) :439-461

[8] SPOT FOCUSING CERENKOV COUNTER FOR DETECTION OF MULTIPARTICLE EVENTS AT HIGH-ENERGIES [J].

BENOT, M ;

HOWIE, JM ;

LITT, J ;

MEUNIER, R .

NUCLEAR INSTRUMENTS & METHODS, 1973, 111 (02) :397-412

[9]

BOVET C, 1982, CERNSPS8213

[10]

CHAUVIN J, IN PRESS NUCL INSTR

← 1 2 3 4 →