2–5 Jul 2023
CWI
Europe/Amsterdam timezone

Galactic Cosmic Ray accelerators and Their multi-messenger Signals

5 Jul 2023, 11:15
15m
Turingzaal (CWI)

Turingzaal

CWI

Centrum voor Wiskunde en Informatica - Science Park 123, 1098 XG Amsterdam

Speaker

Youyou Li (GRAPPA)

Description

The origin and acceleration mechanisms of Galactic cosmic rays (CRs) are still unknown. Gamma-ray observations have been crucial in identifying potential sites of CR acceleration. However, understanding these observations is challenging because both hadronic and leptonic processes can produce gamma rays, and different mechanisms may be responsible for accelerating various CR species. A multi-messenger approach that includes current and potential observations of radio, X-ray, gamma-ray, and neutrino signals is necessary to disentangle these complex acceleration mechanisms and emission processes. In this talk, I will present the latest findings from our research involving semi-analytical methods and accurate numerical simulations to study the multi-messenger emissions produced by nearby very-high-energy astrophysical accelerators.

Primary author

Youyou Li (GRAPPA)

Co-authors

Oscar Macias (University of Amsterdam) Shin'ichiro Ando (University of Amsterdam) Enrico Peretti (Niels Bohr Institute) Markus Ahlers (Niels Bohr Institute)

Presentation materials

There are no materials yet.