PAMELA through a Magnetic Lense

Details PAMELA through a Magnetic Lense PAMELA through a Magnetic Lense

2010-05-25

arxiv.org/abs/1005.4668v1

JCAP 1102:029,2011

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

15 pages, 5 figures

Scientific paper

10.1088/1475-7516/2011/02/029

The PAMELA satellite has observed an excess of positrons over electrons in the energy range 1-100 GeV that increases with energy. We propose that the excess is not due to a change in the local interstellar spectrum, but is due to heliospheric modulation. We motivate this from the known form of the heliospheric magnetic field and predict that the excess will disappear when we enter a period of solar maximum activity.

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