Open questions with ultra-high energy cosmic rays

2006/10/31 by Pasquale Blasi
Physics and Astronomy · #Acceleration #Astrophysics and Cosmic Phenomena #Background radiation #COSMIC cancer database #Cosmic infrared background #Cosmic ray #Dark Matter and Cosmic Phenomena #Energy (signal processing) #Energy spectrum #Particle acceleration #Solar and Space Plasma Dynamics #Ultra-high-energy cosmic ray #astro-ph

paper · pdf · doi:10.1088/1742-6596/60/1/004

published in Journal of Physics Conference Series 60, 20-25 (IOP Publishing) · 6 pages. Invited Review Talk at the 2nd Workshop on TeV Particle Astrophysics, 28-31 August 2006 Madison, WI, USA

arxiv created 2006/10/31 · openalex publication_date 2007/03/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/08

Abstract

We briefly discuss three aspects related to the origin of ultra-high energy cosmic rays (UHECRs) namely: 1) particle acceleration in astrophysical sources; 2) transition to an extragalactic origin; 3) spectrum and anisotropies at the highest energies.

Citations

• Anti‐GZK Effect in Ultra–High‐Energy Cosmic Ray Diffusive Propagation
• A general solution to non-linear particle acceleration at non-relativistic shock waves
• On the statistical significance of the GZK feature in the spectrum of ultra-high energy cosmic rays
• Measurement of the Flux of Ultrahigh Energy Cosmic Rays from Monocular Observations by the High Resolution Fly’s Eye Experiment
• Can diffusive shock acceleration in supernova remnants account for high-energy galactic cosmic rays?