12–23 Jul 2021
Online
Europe/Berlin timezone

Cosmic ray transport in the proximity of pulsars and the formation of gamma-ray halos

20 Jul 2021, 18:00
1h 30m
04

04

Talk GAI | Gamma Ray Indirect Discussion

Speaker

Dr Sarah Recchia (Torino University)

Description

The detection of an extended multi-TeV gamma ray emission around the
Geminga pulsar by the HAWC collaboration provides a unique tool to investigate the transport properties of cosmic rays in the turbulent magnetized interstellar medium.
In this work, different regimes of propagation of ultrarelativistic
electrons in the proximity of pulsars are analyzed and their implications
for the angular and energy distributions of the resulting secondary
radiation are discussed. The results are discussed in the context of the interpretation of the
gamma-ray halo around Geminga reported by HAWC.

Keywords

cosmic rays; gamma rays; pulsars

Subcategory Theoretical Results

Primary authors

Dr Sarah Recchia (Torino University) MATTIA DI MAURO (INFN TORINO) Silvia Manconi (RWTH Aachen University) Fiorenza Donato (Torino University) Prof. Felix Aharonian (Max-Planck-Institut für Kernphysik) Prof. Stefano Gabici (Université de Paris, APC)

Presentation materials