29 July 2019 to 2 August 2019
Northeastern University
US/Eastern timezone

Antiproton Flux and Properties of Elementary Particle Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the ISS

1 Aug 2019, 14:40
20m
West Village G 106 (Northeastern University)

West Village G 106

Northeastern University

Oral Presentation Astroparticles & CMB Astroparticles & CMB

Speaker

Zhili Weng (Massachusetts Inst. of Technology (US))

Description

The fluxes and flux ratios of charged elementary particles in cosmic rays are presented in the absolute rigidity range from 1 up to 2000 GV. In the absolute rigidity range ∼60 to ∼500 GV, the antiproton, proton, and positron fluxes are found to have nearly identical rigidity dependence and the electron flux exhibits different rigidity dependence. Below 60 GV, the antiproton-to-proton, antiproton-to-positron, and proton-to-positron flux ratios each reaches a maximum. Particular emphasis is made on new observations of the properties of elementary particles in the rigidity range above 500 GV.

Primary authors

Jie Feng (Massachusetts Inst. of Technology (US)) Weiwei Xu (Massachusetts Inst. of Technology (US)) Zhili Weng (Massachusetts Inst. of Technology (US)) Senquan Lu (Academia Sinica (TW)) Andrei Kounine (Massachusetts Inst. of Technology (US))

Presentation materials

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