Flux ratios of primary elements measured by CALET on the International Space Station

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ICRC2023_093.pdf (411.25 KB)

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https://pos.sissa.it/444/093/

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https://doi.org/10.22323/1.444.0093
 http://hdl.handle.net/11603/36428

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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 Faculty Collection

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Author/Creator ORCID

https://orcid.org/0000-0003-2916-6955
 https://orcid.org/0000-0002-9247-3010

Date

2023-08-08

Type of Work

conference papers and proceedings
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Citation of Original Publication

Adriani, Oscar, Yosui Akaike, Katsuaki Asano, Yoichi Aaoka, Eugenio Berti, Gabriele Bigongiari, Walter Robert Binns, et al. “Flux Ratios of Primary Elements Measured by CALET on the International Space Station.” In Proceedings of 38th International Cosmic Ray Conference — PoS(ICRC2023), 444:093. SISSA Medialab, 2023. https://doi.org/10.22323/1.444.0093.

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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 study of flux ratios of cosmic-ray primary elements is of particular interest not only to assess the relative abundance of each element, but also to gain a deeper understanding of their propagation in the galaxy. High energy cosmic ray data are the best candidate for this purpose as convection, nuclear decay, and energy degradation can be neglected during their propagation. CALET on the International Space Station has been measuring the flux of several primary elements from proton to nickel for 7 years to date. In this contribution, the flux ratios of heavy primary elements to lighter primaries will be shown, extending the energy range already investigated by previous measurements.