Positron decrement in AMS-02 compared to Pamela, due to solar cycle

2012/11/04 by J. P. Roberts, Jonathan Roberts, Roberts, J. P. · 1 citation
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #Ionosphere and magnetosphere dynamics #Solar and Space Plasma Dynamics #astro-ph.HE

paper · pdf · doi:10.48550/arxiv.1211.0691

5 pages, 3 figures

arxiv created 2012/11/04 · openalex publication_date 2012/11/04 · arxiv updated 2012/11/06 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We present a numerical simulation of cosmic ray transport in the heliosphere and show that AMS-02 should observe a decrease in the positron fraction above 40GeV compared to the fraction observed by PAMELA.

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