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Series tests of fine mesh photomultiplier tubes in magnetic fields of up to 1.2 Tesla

  • R. D. Appuhn
  • , C. Arndt
  • , E. Barrelet
  • , R. Barschke
  • , U. Bassler
  • , T. Bipp
  • , V. Boudry
  • , F. Brasse
  • , D. Bruncko
  • , R. Buchholz
  • , S. Chechelnitski
  • , B. Claxton
  • , G. Cozzika
  • , J. Cvach
  • , S. Dagoret-Campagne
  • , W. D. Dau
  • , H. Deckers
  • , T. Deckers
  • , F. Descamps
  • , M. Dirkmann
  • J. Dowdell, V. Efremenko, E. Eisenhandler, A. N. Eliseev, G. Falley, J. Ferencei, M. Fleischer, B. Fominykh, K. Gadow, U. Goerlach, L. A. Gorbov, I. Gorelov, M. Grewe, L. Hajduk, A. Heck, I. Herynek, J. Hladký, M. Hütte, H. Hutter, W. Janczur, J. Janoth, L. Jönsson, H. Kolanoski, V. Korbel, F. Kriváň, D. Lacour, B. Laforge, F. Lamarche, M. P.J. Landon, J. F. Laporte, F. Lehner, R. Maraček, K. Meier, A. Meyer, A. Migliori, F. Moreau, G. Muller, P. Murin, V. Nagovizin, T. C. Nicholls, D. Ozerov, E. Perez, J. P. Pharabod, R. Pöschl, A. Rostovtsev, C. Royon, K. Rybicki, R. Schediwy, S. Schleif, K. Schmitt, A. Schuhmacher, A. Semenov, V. Shekelyan, Y. Sirois, P. A. Smirnov, V. Solochenko, J. Špalek, S. Spielmann, H. Steiner, A. Stellberger, J. Stiewe, M. Taševský, V. Tchernyshov, K. Thiele, E. Tzamariudaki, S. Valkár, D. VanDenPlas, G. Villet, K. Wacker, A. Walther, M. Weber, D. Wegener, T. Wenk, J. Žáček, A. Zhokin, K. Zuber
  • c/o DESY
  • Universités Paris VI and VII
  • Institute of Experimental Physics Slovak Academy of Sciences
  • Institute for Theoretical and Experimental Physics
  • CCLRC Rutherford Appleton Laboratory
  • Institut Pierre Simon Laplace, CNRS and CEA
  • Institute of Physics of the Czech Academy of Sciences
  • Christian-Albrechts-University Kiel
  • University of Dortmund
  • Queen Mary University of London
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Institute for Nuclear Physics
  • University of Heidelberg
  • Lund University
  • University of Birmingham
  • University of California, Berkeley
  • Charles University

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The new lead/scintillating-fibre calorimeter ("SpaCal") for the backward region of the H1 experiment at HERA (DESY) is equipped with fine mesh phototubes which operate in a magnetic field close to 1T. A large sample of these tubes of the types Hamamatsu R5505 and R5506, and Hamamatsu R2490-06, have been tested in fields of up to 1.2 T. We have investigated the cathode homogeneity with and without magnetic field, the gain loss under the influence of the magnetic field, and stability with time. For a subsample of tubes, we have performed additional studies on stability with respect to temperature changes, variation of gain as a function of the magnetic field, high voltage discharges, single photo-electron response, and linearity. We finally summarize the experience with these tubes after one year of operation in the experiment.

Original languageEnglish
Pages (from-to)265-282
Number of pages18
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume404
Issue number2-3
DOIs
Publication statusPublished - 1 Dec 1998

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