Cosmic Ray Anisotropy Workshop 2013

Session

A hadronic explanation of the lepton anomaly - Philipp Mertsch, KIPAC, Stanford

27 Sept 2013, 17:10

Union South, UW-Madison

16. A hadronic explanation of the lepton anomaly

Philipp Mertsch (KIPAC, Stanford)

27/09/2013, 17:10

Philipp Mertsch

The anomaly in the cosmic ray positron fraction, first observed by the PAMELA experiment and later confirmed by Fermi-LAT and AMS-02, has generated a lot of interest and theoretical efforts, mostly due to the suggested interpretation as an indirect signature of dark matter annihilation in the Galaxy. I will argue that this interpretation is now strongly disfavoured by searches for gamma-rays...