Sep 25 – 27, 2019
Jussieu campus of Sorbonne University, Paris, France
Europe/Paris timezone

AMS-02 antiprotons are consistent with a secondary astrophysical origin

Sep 26, 2019, 9:00 AM
20m
Amphi Charpak (Jussieu campus of Sorbonne University, Paris, France)

Amphi Charpak

Jussieu campus of Sorbonne University, Paris, France

Jussieu campus, Paris

Speaker

Dr Mathieu Boudaud (LPTHE Paris)

Description

Cosmic ray antiprotons are among the best channels to constrain WIMP dark matter particle candidates. The compatibility of AMS-02 data with a pure secondary origin is currently actively debated. Using the USINE code and an improved methodology to extract the cosmic ray transport parameters from the B/C data, we derive a robust range of predictions for the secondary antiproton flux. We list and update the various sources of uncertainties, and further account for their correlations. We also introduce a correlation matrix of errors for the AMS-02 data. We show that AMS-02 antiproton data are consistent with a secondary origin within this framework.

Primary author

Dr Mathieu Boudaud (LPTHE Paris)

Presentation materials