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Aguilar, M. [Author]; Cavasonza, L. Ali [Author]; Başeğmez-du Pree, S. [Author]; La Vacca, G. [Author]; Laudi, E. [Author]; Laurenti, G. [Author]; Lazzizzera, I. [Author]; Lebedev, A. [Author]; Lee, H. T. [Author]; Lee, S. C. [Author]; Li, J. Q. [Author]; Li, M. [Author]; Li, Q. [Author]; Battiston, R. [Author]; Li, S. [Author]; Li, J. H. [Author]; Li, Z. H. [Author]; Liang, J. [Author]; Light, C. [Author]; Lin, C. H. [Author]; Lippert, T. [Author]; Liu, J. H. [Author]; Liu, Z. [Author]; Lu, S. Q. [Author]; [...]

Properties of Heavy Secondary Fluorine Cosmic Rays: Results from the Alpha Magnetic Spectrometer

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  • Media type: E-Article
  • Title: Properties of Heavy Secondary Fluorine Cosmic Rays: Results from the Alpha Magnetic Spectrometer
  • Contributor: Aguilar, M. [Author]; Cavasonza, L. Ali [Author]; Başeğmez-du Pree, S. [Author]; La Vacca, G. [Author]; Laudi, E. [Author]; Laurenti, G. [Author]; Lazzizzera, I. [Author]; Lebedev, A. [Author]; Lee, H. T. [Author]; Lee, S. C. [Author]; Li, J. Q. [Author]; Li, M. [Author]; Li, Q. [Author]; Battiston, R. [Author]; Li, S. [Author]; Li, J. H. [Author]; Li, Z. H. [Author]; Liang, J. [Author]; Light, C. [Author]; Lin, C. H. [Author]; Lippert, T. [Author]; Liu, J. H. [Author]; Liu, Z. [Author]; Lu, S. Q. [Author]; [...]
  • Published: APS, 2021
  • Published in: Physical review letters 126(8), 081102 (2021). doi:10.1103/PhysRevLett.126.081102
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevLett.126.081102
  • ISSN: 1092-0145; 1079-7114; 0031-9007
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: Precise knowledge of the charge and rigidity dependence of the secondary cosmic ray fluxes and the secondary-to-primary flux ratios is essential in the understanding of cosmic ray propagation. We report the properties of heavy secondary cosmic ray fluorine F in the rigidity R range 2.15 GV to 2.9 TV based on 0.29 million events collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. The fluorine spectrum deviates from a single power law above 200 GV. The heavier secondary-to-primary F/Si flux ratio rigidity dependence is distinctly different from the lighter B/O (or B/C) rigidity dependence. In particular, above 10 GV, the F/SiB/O ratio can be described by a power law Rδ with δ=0.052±0.007. This shows that the propagation properties of heavy cosmic rays, from F to Si, are different from those of light cosmic rays, from He to O, and that the secondary cosmic rays have two classes.
  • Access State: Open Access