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Transport of exotic anti-nuclei: I- Fast formulae for antiproton fluxes

Abstract : The Galactic secondary cosmic ray anti-proton flux calculated with different propagation models is fairly consistent with data, and the associated propagation uncertainty is small. This is not the case for any anti-proton exotic component of the dark matter halo. Detailed propagation models are mandatory if the ultimate goal is to explain an excess. However, simpler and faster approximate formulae for anti-protons are an attractive alternative to quickly check that a given dark matter model is not inconsistent with the anti-proton observed flux. This paper provides such formulae. In addition, they could be used to put constraints on new physics in this channel, where an extensive scan of a large parameter space could otherwise be quite expensive in computer ressources.
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Contributor : Dominique Girod <>
Submitted on : Friday, May 25, 2007 - 11:25:17 AM
Last modification on : Friday, April 10, 2020 - 5:10:14 PM

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D. Maurin, Richard Taillet, C. Combet. Transport of exotic anti-nuclei: I- Fast formulae for antiproton fluxes. 2007. ⟨in2p3-00149333⟩



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