The low rate of Galactic pevatrons

• Published in: Astroparticle physics Vol. 123; p. 102492
• Main Authors: Cristofari, Pierre, Blasi, Pasquale, Amato, Elena
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2020
• Subjects: Cosmic ray acceleration; Galactic; Supernova remnants; 99-00; Supernova remnants; Cosmic ray acceleration; Galactic; 00-01

Although supernova remnants remain the main suspects as sources of Galactic cosmic rays up to the knee, the supernova paradigm still has many loose ends. The weakest point in this construction is the possibility that individual supernova remnants can accelerate particles to the rigidity of the knee,...