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

Krizmanic, John F. and Labrador, Allan W. and Mewaldt, Richard A. (2019) HNX/SuperTIGER Silicon Strip Detector Response to Nuclei in Lead Primary and Fragmented Test Beams. In: 36th International Cosmic Ray Conference (ICRC2019). Proceedings of Science. No.358. SISSA , Trieste, Italy, Art. No. 094.

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The response to 150 GeV/nuc primary lead (^(208)Pb) 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 cm^2 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.

Item Type:Book Section
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Labrador, Allan W.0000-0001-9178-5349
Mewaldt, Richard A.0000-0003-2178-9111
Additional Information:© 2019 owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. Pre-published on: 2019 July 22. We thank Mark Wiedenbeck (CalTech/SRL/JPL) for the use of the silicon calibration detectors, the Rel-Labs preamplifier electronics, and the Canberra shaping amplifiers used in this beam test. We also thank Marco Ricci (INFN/Frascati) for help in obtaining electronics and supplies from the CERN electronics pool. Finally, we thank CERN for the opportunity to perform this beam test and providing exceptional particle beams.
Group:Space Radiation Laboratory
Series Name:Proceedings of Science
Issue or Number:358
Record Number:CaltechAUTHORS:20190821-083554328
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98063
Deposited By: Tony Diaz
Deposited On:21 Aug 2019 16:13
Last Modified:20 Feb 2020 14:33

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