ISS-CREAM detector performance and tracking algorithms

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ICRC2021_080.pdf (1.87 MB)

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https://pos.sissa.it/395/080/pdf

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http://hdl.handle.net/11603/22085

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UMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
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UMBC Physics Department

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2021-07-12

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conference papers and proceedings
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Sakai, Kenichi et al.; ISS-CREAM detector performance and tracking algorithms; 37th International Cosmic Ray Conference (ICRC 2021), 12 July, 2021; https://pos.sissa.it/395/080/pdf

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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.

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Abstract

The goal of the ISS-CREAM experiment is to measure spectra of cosmic-ray particles up to 1000 TeV from protons to iron nuclei. The detector was designed to complement other current spacebased cosmic-ray missions, and was installed on the ISS on August 22, 2017. During 539 days of on-orbit operations, ISS-CREAM recorded over 58 million events. The instrument consists of a 4-layer silicon charge detector, a tungsten/scintillating-fiber sampling calorimeter for energy measurement, top and bottom scintillating detectors to create a trigger, and a boronated scintillator detector for additional shower sampling. A variety of subsystem issues developed during on-orbit operations, requiring careful data filtering, the development of extensive calibrations, and multiple tracking algorithms. We report on the performance of the ISS-CREAM instrument and present details of the analysis.