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AMS-02 in Space: Physics Results

Abstract : The Alpha Magnetic Spectrometer (AMS-02) is a particle physics experiment designed to study origin and nature of Galactic Cosmic Rays (CRs) up to TeV energies from space. With its high sensitivity, long exposure and excellent identification capabilities, AMS is conducting a unique mission of fundamental physics research in space. To date, more than 60 billion CR events have been collected by AMS. The new results on CR leptons and the analysis and light-nuclei are presented and discussed. The new leptonic data indicate the existence of new sources of high-energy CR leptons, that may arise either by dark-matter particles annihilation or by nearby astrophysical sources of e± pairs. Future data at higher energies and forthcoming measurements on the antiproton spectrum and the boron-to-carbon ratio will be crucial in providing the discrimination among the different scenario.
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http://hal.in2p3.fr/in2p3-01095086
Contributor : Emmanuelle Vernay <>
Submitted on : Monday, December 15, 2014 - 9:03:09 AM
Last modification on : Thursday, November 19, 2020 - 12:58:48 PM

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N. Tomassetti. AMS-02 in Space: Physics Results. 7th Symposium on Large TPCs for Low-Energy Rare Event Detection, Dec 2014, Paris, France. pp.012001, ⟨10.1088/1742-6596/650/1/012001⟩. ⟨in2p3-01095086⟩

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