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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRD - Cosmic Ray Direct
Cosmic-ray Isotope Measurements with HELIX
N. Park,* L. Beaufore, R. Mbarek, D. Muller, E. Schreyer, S. Wakely, T. Werner, I. Wisher, M. Tabata, M. Gebhard, B. Kunkler, J. Musser, K. Michaels, G. Visser, E. Ellingwood, D. Hanna, S. O’Brien, T. Rosin, S. Nutter, P. Allison, J. Beatty, K. McBride, Y. Chen, S. Coutu, I. Mognet, M. Yu, N. Green, G. Tarle, A. Tomasch
*corresponding author
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Pre-published on: 2019 July 22
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HELIX (High Energy Light Isotope eXperiment) is a balloon-borne experiment designed to measure the chemical and isotopic abundances of light cosmic ray nuclei. Detailed measurements by HELIX, especially of $^{10}$Be from 0.2 GeV/n to beyond 3 GeV/n, will provide an essential set of data for the study of propagation processes of the cosmic rays. HELIX consists of a 1 Tesla superconducting magnet with a high-resolution gas tracking system, time-of-flight detector, and a ring-imaging Cherenkov detector. The instrument is scheduled to have a long-duration balloon flight out of McMurdo Station during NASA's 2020/21 Antarctic balloon campaign. Here, we discuss the scientific goals and the design of the experiment, and report on its current status.
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