Abstract
Precision measurements by AMS of the antiproton flux and the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to 525 GV is presented, together with the fluxes and flux ratios of charged elementary particles in cosmic rays up to 1 TV. In the absolute rigidity range 60–500 GV, the antiproton p¯, proton p and positron e+ fluxes are found to have nearly identical rigidity dependence and the electron e- flux exhibits different rigidity dependence. From 60GV to 500 GV, the p¯/p,p¯/e+ and p/e+ flux ratios are rigidity independent. These AMS measurements continue to reveal important properties of cosmic ray elementary particle fluxes and provide invaluable input towards understanding the origin of many observed unexpected phenomena.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
