The cosmic ray energetics and mass for the international space station (ISS-CREAM) instrument

J. R. Smith, Y. Amare, T. Anderson, D. Angelaszek, N. Anthony, K. Cheryian, G. H. Choi, M. Copley, S. Coutu, L. Derome, L. Eraud, L. Hagenau, J. H. Han, H. G. Huh, Y. S. Hwang, H. J. Hyun, S. Im, H. B. Jeon, J. A. Jeon, S. JeongS. C. Kang, H. J. Kim, K. C. Kim, M. H. Kim, H. Y. Lee, J. Lee, M. H. Lee, J. Liang, J. T. Link, L. Lu, L. Lutz, A. Menchaca-Rocha, T. Mernik, J. W. Mitchell, S. I. Mognet, S. Morton, M. Nester, S. Nutter, O. Ofoha, H. Park, I. H. Park, J. M. Park, N. Picot-Clemente, R. Quinn, E. S. Seo, P. Walpole, R. P. Weinmann, J. Wu, Y. S. Yoon

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The Cosmic Ray Energetics And Mass for the International Space Station (ISS-CREAM) instrument is designed and built to measure elemental spectra of cosmic-ray nuclei (1 ≤ Z ≤ 26) and electrons. It will measure energy of incident cosmic rays from 1011 to 1015 eV with a tungsten/scintillator sampling calorimeter and densified carbon target with an interaction length of ∼ 1 λL. A finely segmented, four-layer silicon charge detector will identify the elemental composition with a resolution of ∼ 0.15e. The instrument is triggered by selectable, independent, and combined algorithms from the calorimeter and a scintillator-based counting detector on the top and bottom of the calorimeter. The counting detectors also provide separation of protons and electrons using differences in the shower shapes. A boronated scintillator detector provides additional e/p separation by looking at late scintillation light produced by a particle interacting in the calorimeter system. ISS-CREAM underwent vibrational, electromagnetic, thermal/vacuum, and telemetry systems tests at various NASA facilities to qualify for rocket transportation and space operations. All testing and integration were completed and ISS-CREAM was delivered to NASA. It is now flight ready and waiting for launch on SpaceX-12 in 2017. ISS-CREAM integration, environmental qualification, and instrument performance will be presented.

Original languageEnglish
JournalProceedings of Science
DOIs
StatePublished - 2017
Event35th International Cosmic Ray Conference, ICRC 2017 - Bexco, Busan, Korea, Republic of
Duration: 10 Jul 201720 Jul 2017

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