The H1 lead/scintillating-fibre calorimeter

被引：160

作者：

Appuhn, RD

Arndt, C

Barrelet, E

Barschke, R

Bassler, U

Boudry, V

Buchholz, R

Brasse, F

Bruncko, D

Chechelnitski, S

Claxton, B

Cozzika, G

Cvach, J

DagoretCampagne, S

Dau, WD

Deckers, H

Deckers, T

Descamps, F

Dirkmann, M

Dowdell, J

Efremenko, V

Eisenhandler, E

Eliseev, AN

Falley, G

Ferencei, J

Fominykh, B

Gadow, K

Goerlach, U

Gorbov, LA

Gorelov, I

Grewe, M

Hajduk, L

Herynek, I

Hladky, J

Hutte, M

Hutter, H

Janczur, W

Janoth, J

Jonsson, L

Kolanoski, H

Korbel, V

Krivan, F

Lacour, D

Lamarche, F

Landon, MPJ

Laforge, B

Laporte, JF

Lehner, F

Maracek, R

Meier, K

机构：

[1] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA

[2] UNIV HEIDELBERG, INST HOCHENERGIEPHYS, HEIDELBERG, GERMANY

[3] UNIV BIRMINGHAM, SCH PHYS & SPACE RES, BIRMINGHAM B15 2TT, W MIDLANDS, ENGLAND

[4] UNIV DORTMUND, INST PHYS, D-4600 DORTMUND, GERMANY

[5] CTR ETUD SACLAY, CEA, DSM DAPNIA, F-91191 GIF SUR YVETTE, FRANCE

[6] DESY, HAMBURG, GERMANY

[7] SLOVAK ACAD SCI, INST EXPT PHYS, KOSICE 04353, SLOVAKIA

[8] UNIV LONDON QUEEN MARY & WESTFIELD COLL, LONDON E1 4NS, ENGLAND

[9] INST THEORET & EXPT PHYS, MOSCOW 117259, RUSSIA

[10] ECOLE POLYTECH, IN2P3, CNRS, LPNHE, PALAISEAU, FRANCE

[11] UNIV PARIS 06&7, IN2P3, CNRS, LPNHE, PARIS, FRANCE

[12] ACAD SCI CZECH REPUBL, INST PHYS, PRAGUE, CZECH REPUBLIC

[13] CHARLES UNIV, NUCL CTR, PRAGUE, CZECH REPUBLIC

[14] INST NUCL PHYS, KRAKOW, POLAND

[15] RUTHERFORD APPLETON LAB, DIV ELECT, DIDCOT OX11 0QX, OXON, ENGLAND

[16] CHRISTIAN ALBRECHTS UNIV KIEL, INST REINE & ANGEW KERNPHYS, D-2300 KIEL, GERMANY

[17] LUND UNIV, DEPT PHYS, LUND, SWEDEN

[18] PN LEBEDEV PHYS INST, MOSCOW 117924, RUSSIA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 386卷 / 2-3期

关键词：

calorimeter; fibre; construction; design; H1;

D O I：

10.1016/S0168-9002(96)01171-0

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The backward region of the H1 detector has been upgraded in order to provide improved measurement of the scattered electron in deep inelastic scattering events. The centerpiece of the upgrade is a high-resolution lead/scintillating-fibre calorimeter. The main design goals of the calorimeter are: good coverage of the region close to the beam pipe, high angular resolution and energy resolution of better than 2% for 30 GeV electrons. The calorimeter should be capable of providing coarse hadronic energy measurement and precise time information to suppress out-of-time background events at the first trigger level. It must be compact due to space restrictions. These requirements were fulfilled by constructing two separate calorimeter sections. The inner electromagnetic section is made of 0.5 mm scintillating plastic fibres embedded in a lead matrix. Its lead-to-fibre ratio is 2.3:1 by volume. The outer hadronic section consists of 1.0 mm diameter fibres with a lead-to-fibre ratio of 3:4:1. The mechanical construction of the new calorimeter and its assembly in the H1 detector are described.

引用

页码：397 / 408

页数：12

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