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Titolo:
The electronics of the H1 lead/scintillating-fibre calorimeters
Autore:
Appuhn, RD; Ardnt, C; Barrelet, E; Barschke, R; Bassler, U; Blouzon, F; Boudry, V; Brasse, F; Bruel, P; Bruncko, D; Buchholz, R; Cahan, B; Chechelnitski, S; Claxton, B; Cozzika, G; Cvach, J; Dagoret-Campagne, S; Dau, WD; Deckers, H; Deckers, T; Descamps, F; Dirkmann, M; Dowdell, J; Drancourt, C; Durant, O; Efremenko, V; Eisenhandler, E; Eliseev, AN; Falley, G; Ferencei, J; Fleischer, M; Fominykh, B; Gadow, K; Goerlach, U; Gorbov, LA; Gorelov, I; Grewe, M; Hajduk, L; Herynek, I; Hladky, J; Hutte, M; Hutter, H; Janata, M; Janczar, W; Janoth, J; Jonsson, L; Kacl, I; Kolanoski, H; Korbel, V; Krivan, F; Lacour, D; Laforge, B; Lamarche, F; Landon, MPJ; Laporte, JF; Lebollo, H; Le Coguie, A; Lehner, F; Maracek, R; Matricon, P; Meier, K; Meyer, A; Migliori, A; Moreau, F; Muller, G; Murin, P; Nagovizin, V; Nicholls, TC; Ozerov, D; Passerieux, JP; Perez, E; Pharabod, JP; Poschl, R; Renard, C; Rostovtsev, A; Royon, C; Rybicki, K; Schlief, S; Schmitt, K; Schuhmacher, A; Semenov, A; Shekelyan, V; Sirois, Y; Smirnov, PA; Solochenko, V; Spalek, J; Spielmann, S; Steiner, H; Stellberger, A; Stiewe, J; Tasevsky, M; Tchernyshov, V; Thiele, K; Tzamariudaki, E; Valkar, S; Vallee, C; Vallereau, A; VanDenPlas, D; Villet, G; Wacker, K; Walther, A; Weber, M; Wegener, D; Wenk, T; Zacek, J; Zhokin, A; Zini, P; Zuber, K;
Indirizzi:
CEA Saclay, DSM, DAPNIA, F-91191 Gif Sur Yvette, France CEA Saclay Gif Sur Yvette France F-91191 F-91191 Gif Sur Yvette, France DESY, D-2000 Hamburg, Germany DESY Hamburg Germany D-2000DESY, D-2000 Hamburg, Germany Univ Paris 06, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 06 Paris France Paris 06, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 07, LPNHE, IN2P3, CNRS, Paris, France Univ Paris 07 Paris France Paris 07, LPNHE, IN2P3, CNRS, Paris, France CNRS, IN2P3, Ecole Polytech, LPNHE, Palaiseau, France CNRS Palaiseau France , IN2P3, Ecole Polytech, LPNHE, Palaiseau, France Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia Slovak Acad Sci Kosice Slovakia 04353 Expt Phys, Kosice 04353, Slovakia Inst Theoret & Expt Phys, Moscow 117259, Russia Inst Theoret & Expt Phys Moscow Russia 117259 hys, Moscow 117259, Russia Rutherford Appleton Lab, Div Elect, Didcot OX11 0QX, Oxon, England Rutherford Appleton Lab Didcot Oxon England OX11 0QX 1 0QX, Oxon, England Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic Acad Sci Czech Republ Prague Czech Republic hys, Prague, Czech Republic Univ Kiel, Inst Reine & Angew Kernphys, D-2300 Kiel, Germany Univ Kiel Kiel Germany D-2300 ine & Angew Kernphys, D-2300 Kiel, Germany
Titolo Testata:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
fascicolo: 2-3, volume: 426, anno: 1999,
pagine: 518 - 537
SICI:
0168-9002(19990501)426:2-3<518:TEOTHL>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOTOMULTIPLIER TUBES; FIBER CALORIMETER; MAGNETIC-FIELDS; DETECTOR; SYSTEM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Cozzika, G CEA Saclay, DSM, DAPNIA, F-91191 Gif Sur Yvette, France CEA Saclay Gif Sur Yvette France F-91191 f Sur Yvette, France
Citazione:
R.D. Appuhn et al., "The electronics of the H1 lead/scintillating-fibre calorimeters", NUCL INST A, 426(2-3), 1999, pp. 518-537

Abstract

The electronic system developed for the SpaCal lead/scintillating-fibre calorimeters of the I-Il detector in operation at the HERA ep collider is described in detail and the performance achieved during H1 data taking is presented. The 10 MHz bunch crossing rate of HERA puts severe constraints on the requirements of the electronics. The energy and time readout are performed, respectively, with a 14-bit dynamic range and with a resolution of similar to 0.4 ns. The trigger branch consists of a nanosecond-resolution calorimetric time of flight for background rejection and an electron trigger based on analog 'sliding windows'. The on-line background rejection currently achieved is similar to 10(6). The electron trigger allows a low-energy trigger threshold to be set at similar to 0.50 +/- 0.08 (RMS) GeV with an efficiency greater than or equal to 99.9%. The energy and time performance of thereadout and trigger electronics is based on a newly developed low noise (sigma(noise) similar to 0.4 MeV) wideband (f less than or equal to 200 mHz) preamplifier located at the output of the photomultipliers which are used for the fibre light readout in the similar to 1 T magnetic field of H1. (C) 1999 Elsevier Science B.V. All rights reserved.

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Documento generato il 26/11/20 alle ore 18:45:11