Cosmic ray antiprotons in the closed galaxy model

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Abstract

view Abstract Citations (75) References (32) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Cosmic ray antiprotons in the closed galaxy model Protheroe, R. J. Abstract A calculation is made of the flux of secondary antiprotons expected for the leaky box model and for the closed galaxy model of Peters and Westergaard (1977). The antiproton/proton ratio observed at several GeV is a factor of 4 higher than the prediction for the leaky box model but is consistent with that predicted for the closed galaxy model. It is found that new low-energy data are not consistent with either model. Attention is given to the possibility of a primary antiproton component. Publication: The Astrophysical Journal Pub Date: December 1981 DOI: 10.1086/159473 Bibcode: 1981ApJ...251..387P Keywords: Antiprotons; Astronomical Models; Cosmic Rays; Galactic Structure; Milky Way Galaxy; Abundance; Kinetic Energy; Particle Acceleration; Particle Production; Proton Flux Density; Astrophysics full text sources ADS |

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