PoS - Proceedings of Science
Volume 447 - Multifrequency Behaviour of High Energy Cosmic Sources XIV (MULTIF2023) - Opening Remarks
Results of the Heavy Cosmic-Ray Analysis with CALET on the International Space Station
Presented by C. Checchia*  on behalf of  on behalf of the CALET Collaboration
Full text: pdf
Published on: April 17, 2024
Abstract
The study of the spectral behavior of charged cosmic-ray elements is of particular interest to gain a
deeper understanding of propagation and acceleration phenomena in our Galaxy. The Calorimetric
Electron Telescope (CALET), launched to the International Space Station in 2015, provides more
than 7 years of continuous observation of high energy cosmic rays up to ∼1 PeV. CALET can
measure cosmic-ray charge up to Z = 40 and, with its 27 radiation lengths deep Total Absorption
Calorimeter, it measures particle energy, allowing for the determination of spectra up to nickel.
In this contribution we present a direct measurement of several charged nuclei spectra from boron
to nickel, including the boron to carbon and the nickel to iron ratios. Also, the ultra heavy nuclei
analysis results are reported.
DOI: https://doi.org/10.22323/1.447.0011
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