Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station

(AMS Collaboration)

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×106 helium, 8.4×106 carbon, and 7.0×106 oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.

Original languageEnglish
Article number251101
JournalPhysical review letters
Volume119
Issue number25
DOIs
Publication statusPublished - 2017 Dec 18

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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