Performance of an electromagnetic lead/scintillating-fibre calorimeter for the H1 detector

  • T. Nicholls
  • , L. Hajduk
  • , W. Janczur
  • , K. Rybicki
  • , B. Claxton
  • , J. Dowdell
  • , H. Deckers
  • , T. Deckers
  • , M. Dirkmann
  • , M. Hütte
  • , H. Hutter
  • , H. Kolanoski
  • , R. Pöschl
  • , A. Schuhmacher
  • , K. Wacker
  • , A. Walther
  • , D. Wegener
  • , T. Wenk
  • , G. Cozzika
  • , B. Laforge
  • J. F. Laporte, E. Perez, C. Royon, G. Villet, R. D. Appuhn, C. Arndt, R. Barschke, R. Buchholz, U. Goerlach, V. Korbel, F. Lehner, A. Meyer, G. Müller, H. Steiner, M. Weber, J. Ferencei, J. Janoth, K. Meier, S. Schleif, J. Stiewe, K. Zuber, W. D. Dau, D. Bruncko, F. Krivan, R. Maracek, P. Murin, J. Spalek, E. Eisenhandler, M. Landon, L. Jönsson, S. Chechelnitski, V. Efremenko, B. Fominykh, I. Gorelov, V. Nagovizin, D. Ozerov, A. Rostovtsev, V. Shekelyan, A. Semenov, V. Solochenko, V. Tchernyshov, A. Zhokin, A. N. Eliseev, L. A. Gorbov, P. A. Smirnov, F. Lamarche, A. Migliori, F. Moreau, Y. Sirois, S. Spielmann, D. VanDenPlas, E. Barrelet, U. Bassler, S. Dagoret-Campagne, F. Descamps, D. Lacour, J. Cvach, I. Herynek, J. Hladky, S. Valkar, J. Zacek

Research output: Contribution to journalArticlepeer-review

Abstract

The properties of final modules of a high resolution lead/scintillating-fibre calorimeter to upgrade the backward region of the H1 detector were studied with electrons in the energy range from 2-60 GeV. The electromagnetic calorimeter consists of scintillating fibres with a diameter of 0.5 mm embedded in a lead matrix. This small fibre radius, in combination with a lead-to-fibre ratio of 2.27:1, ensures excellent energy resolution which has been measured to be σ/E = 7.1%/ √E/GeV⊕1.0%. The spatial resolution as a function of energy for impact points at the center of a cell is given by 4.4 mm/√E/GeV + 1.0mm. The time resolution was found to be better than 0.4 ns.

Original languageEnglish
Pages (from-to)149-156
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume374
Issue number2
DOIs
Publication statusPublished - 21 May 1996

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