Properties of Iron Primary Cosmic Rays: Results from the Alpha Magnetic Spectrometer

(AMS Collaboration)

研究成果: 雜誌貢獻期刊論文同行評審

73 引文 斯高帕斯(Scopus)

摘要

We report the observation of new properties of primary iron (Fe) cosmic rays in the rigidity range 2.65 GV to 3.0 TV with 0.62×106 iron nuclei collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. Above 80.5 GV the rigidity dependence of the cosmic ray Fe flux is identical to the rigidity dependence of the primary cosmic ray He, C, and O fluxes, with the Fe/O flux ratio being constant at 0.155±0.006. This shows that unexpectedly Fe and He, C, and O belong to the same class of primary cosmic rays which is different from the primary cosmic rays Ne, Mg, and Si class.

原文???core.languages.en_GB???
文章編號041104
期刊Physical Review Letters
126
發行號4
DOIs
出版狀態已出版 - 28 1月 2021

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