Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-03-24
Phys.Rev. D71 (2005) 083013
Astronomy and Astrophysics
Astrophysics
22 pages, 18 figures, 3 tables. Accepted for publication in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.71.083013
The fluxes of light antinuclei A<=4 induced near earth by Cosmic Ray intera ctions with the interstellar matter in the Galaxy and with the Earth atmosphere, are calculated in a phenomenological framework. The hadronic production cross section for antinucleons is based on a recent parametrization of a wide set of accelerator data. The production of light nuclei is calculated using coalescence models. For the standard coalescence model, the coalescence radius is fitted to the available experimental data. The non annihilating inelastic scattering process for the antideuterons is discussed and taken into account for the first time via a more realistic procedure than used so far for antiprotons.
Baret Bruny
Barrau Aurelien
Boudoul Gaelle
Buenerd M.
Derome Laurent
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