HNX/SuperTIGER Silicon Strip Detector Response to Nuclei in Lead Primary and Fragmented Test Beams

  • John F. Krizmanic
  • , Yosui Akaike
  • , Dana Braun
  • , Richard Bose
  • , James Buckley
  • , Georgia De Nolfo
  • , Jeff Dumonthier
  • , Paul Dowkontt
  • , Zachary Hughes
  • , Iker Liceaga Indart
  • , Jason Link
  • , John W. Mitchell
  • , J. Grant Mitchell
  • , Martin A. Olevitch
  • , Scott Nutter
  • , Garry E. Simburger
  • , George Suarez
  • , Teresa Tatoli
  • , Mark E. Wiedenbeck
  • , W. Robert Binns
  • Theresa J. Brandt, Martin H. Israel, Allan W. Labrador, Richard A. Mewaldt, Brian F. Rauch, Kenichi Sakai, Makoto Sasaki, Edward C. Stone, Nathan E. Walsh, C. Jake Waddington

Research output: Contribution to journalConference articlepeer-review

Abstract

The response to 150 GeV/nuc primary lead (208Pb) and fragmented (A/Z=2.4, 2.2, 2.0) beams measured a silicon strip detector, designed for use in the Heavy Nuclei eXplorer (HNX) and an upgrade of the Super Trans-Iron Galactic Element Recorder (SuperTIGER) balloon experiment, was evaluated in a CERN test beam (H8A) during Nov - Dec 2018. The 500 µm thick, single-sided silicon detectors have 32 DC-coupled strips with 3 mm pitch on the junction side with 9.6×9.6 cm2 active area. Discrete charge-preamplifiers and shaping amplifiers were used to read out the ohmic and junction side signals simultaneously using the SuperTIGER DAQ system. We report on the response in a configuration where all 32 strips were joined and read out together. The strip detector-under-test was situated between planar silicon detectors, which provided the charge selection as well as a comparison of the measured response of each detector. The combined data set shows excellent charge resolution and finely resolved elemental peaks from helium (Z=2) through lead (Z=82). In this paper, we provide a description of the test beam experiment and the results of the charge resolution analysis.

Original languageEnglish
Article number094
JournalProceedings of Science
Volume358
StatePublished - Jul 2 2021
Event36th International Cosmic Ray Conference, ICRC 2019 - Madison, United States
Duration: Jul 24 2019Aug 1 2019

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