Speaker
Dr
Daniele Gaggero
(GRAPPA, University of Amsterdam)
Description
The extremely accurate charged cosmic-ray data recently provided by the AMS collaboration and the gamma-ray data from Fermi-LAT and other experiments allowed to enter a new era of precision measurements in the CR field, and offer for the first time the unique opportunity to investigate different transport properties in different regions of the Galaxy. I will review the status of the field, the most relevant anomalies detected so far, possible interpretations and ways to disentangle them. I will focus in particular on a novel energy-dependent characterization of the progressive proton hardening towards the GC region obtained with the skyFACT tool, a gamma-ray analysis tool that combines template fitting and image reconstruction techniques: I will discuss the possible impact of unresolved sources on this trend, and eventually compare different physical interpretations in terms of non-standard properties of CR transport.
Primary author
Dr
Daniele Gaggero
(GRAPPA, University of Amsterdam)
Co-authors
Dr
Christoph Weniger
(Postdoc)
Dr
Emma Storm
(GRAPPA, University of Amsterdam)
Mr
Mart Pothast
(GRAPPA, University of Amsterdam)
