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Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRD - Cosmic Ray Direct
Precision Measurement of the Monthly Carbon and Oxygen Fluxes in Cosmic Rays with the Alpha Magnetic Spectrometer on the International Space Station
F. Donnini
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Pre-published on: 2019 July 22
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The precision measurements of the monthly carbon and oxygen cosmic ray fluxes for the period from May 2011 to May 2018 with Alpha Magnetic Spectrometer on the International Space Station are presented. This period covers the ascending phase of solar cycle 24 together with the reversal of the Sun’s magnetic field polarity through the maximum. The detailed variations with time of the carbon and oxygen fluxes are shown up to rigidities of 60 GV. The time dependence of the carbon to oxygen flux ratio is also presented, together with the flux ratios to the more abundant species proton and helium
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