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A Three layer circular scintillator hodoscope

1994
8 pages
Published in:
  • Nucl.Instrum.Meth.A 348 (1994) 97-104
DOI:
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Abstract: (Elsevier)
The rotationally symmetric kinematics of hadronic reactions around the beam direction call for a detector system with an appropriate symmetry. A hodoscope has been invented which optimally meets such conditions. A combination of both contrarotating and straight scintillator elements form a three layer circular hodoscope. The overlap of individual counters defines pixels with a structure reminiscent of a sunflower pattern. Thus, a rather large, granulated and flat detector arrangement has been achieved economically. Such hodoscopes are in operation for measurements at LEAR/CERN and CELSIUS/Uppsala. A third enlarged version is presently being tested and will be used in the Time Of Flight spectrometer (TOF) at COSY/Jülich. The performance of individual detector elements and of the complete system was investigated with various particle beams and cosmic rays. Comparisons with Monte Carlo calculations confirm the operation of the detector.
  • scintillation counter: hodoscope
  • magnetic spectrometer
  • fast logic: time-of-flight
  • CERN LEAR
  • Uppsala CELSIUS Stor
  • Juelich COSY PS
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    Proc. Workshop on Meson Production, Interaction and Decay

    • A. Magiera
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    • W. Oelert
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    • P. Turek
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    Jül-Spez-510
    • A. Empl
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    in preparation, Jülich, Germany
    • R. Stratmann
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    Ph. D. Thesis in preparation, University of Illinois, USA
    • R. Tayloe
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      • N. Hamann
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      to be published
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      Annual Report, IKP — KFA Jülich, Jül-2726
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        ,
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      Jül-Spez-480
      • T. Sefzick
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      • A. Empl
        ,
      • K. Kilian
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        ,
      • T. Sefzick
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      • R. Thomas
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        Jül-2804
        • J. Thimmel
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        • H. Machner