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Atmospheric and galactic production and propagation of light antimatter nuclei

Abstract : The production and propagation of light antimatter nuclei has been calculated using inclusive antiproton production cross sections from a new data analysis, and coalescence models for the production of composite particles. Particles were propagated using recently proven phenomenological approaches. The atmospheric secondary flux is evaluated for the first time. The Galactic flux obtained are larger than those obtained previously in similar calculations. The non-annihilating scattering contributions of the propagated particles are introduced. The preliminary results are shown and discussed.
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http://hal.in2p3.fr/in2p3-00020080
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Submitted on : Tuesday, January 27, 2004 - 4:18:01 PM
Last modification on : Thursday, November 19, 2020 - 12:58:38 PM

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B. Baret, R. Duperray, G. Boudoul, A. Barrau, L. Derome, et al.. Atmospheric and galactic production and propagation of light antimatter nuclei. International Cosmic Ray Conference 28 ICRC 2003, Jul 2003, Tsukuba, Japan. pp.1961-1964. ⟨in2p3-00020080⟩

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