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Derivation of antiproton-proton flux ratio from the closed galaxy model

Authors:	Pratibha Pal D P Bhattacharyya

Institution:	(1) Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Calcutta, India

Abstract:	The antiproton-proton flux ratio has been estimated from the closed galaxy model of Peters and Westergaard by using the latest primary nucleon spectrum and $pp \to \bar pX$ inclusive reaction accelerator results. The derived $\bar p/p$ flux ratio is about three times higher than those expected from the leaky box model. The results have been compared with the previous estimates by different authors.

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