PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Astro-particle Physics and Cosmology
Precision measurement of the antiproton-to-proton ratio by the Alpha Magnetic Spectrometer on the International Space Station
A. Chen* On behalf of the AMS Collaboration
*corresponding author
Full text: pdf
Pre-published on: February 06, 2017
Published on: April 19, 2017
Abstract
A precision measurement, with the Alpha Magnetic Spectrometer, of the antiproton-to-proton ratio in the primary cosmic rays is presented. The measurement is made in the rigidity range from 1 to 450 GV and is based on 300,000 antiproton events. The measurement increases the precision and significantly extends the high rigidity range beyond previous observations.
DOI: https://doi.org/10.22323/1.282.0071
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