Heavy ion beam test at CERN-SPS with the CALET Structure Thermal Model

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ICRC2015_589.pdf (1.21 MB)

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https://pos.sissa.it/236/589/

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https://doi.org/10.22323/1.236.0589
 http://hdl.handle.net/11603/30312

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

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Author/Creator ORCID

https://orcid.org/0000-0003-2916-6955

Date

2016-08-18

Type of Work

conference papers and proceedings
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Citation of Original Publication

Tamura, Tadahisa. “Heavy Ion Beam Test at CERN-SPS with the CALET Structure Thermal Model.” In Proceedings of The 34th International Cosmic Ray Conference — PoS(ICRC2015), 236:589. SISSA Medialab, 2016. https://doi.org/10.22323/1.236.0589.

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Abstract

We will report testing and calibration of the heavy-ion energy and charge resolution of the CALET cosmic-ray instrument that will fly on the International Space Station in 2015. CALET will measure the energy spectra and arrival directions of cosmic-ray electrons to 20 TeV and hadrons to 1 PeV with exceptional resolution. It will measure the spectra of high-energy nuclei to about Z = 40. It will also measure the cosmic gamma radiation with superior resolution to search for signatures of dark matter annihilation in the gamma-ray and electron spectra. We performed beam tests at CERN-SPS in February and March 2015 to calibrate energy, angular and charge resolution with direct primary beams and secondary fragments of Ar of 13, 19, and 150 A GeV/c. The beam tests were carried out using a test instrument that is functionally equivalent to the calorimeter (CAL) of CALET. The purpose of our ion run, experimental method and setups, and preliminary results are reported.