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 BinnsTheresa 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

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)


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
Publication statusPublished - 2021 Jul 2
Externally publishedYes
Event36th International Cosmic Ray Conference, ICRC 2019 - Madison, United States
Duration: 2019 Jul 242019 Aug 1

ASJC Scopus subject areas

  • General


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