2005/07/06 by T. A. Porter, Porter, T. A., D. Allard +1
Engineering · Physics and Astronomy · #Astrophysics (astro-ph) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #Photocathodes and Microchannel Plates #Radiation Detection and Scintillator Technologies #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/0507121
To appear in the Proceedings of the 29th ICRC, Pune, India
arxiv created 2005/07/06 · openalex publication_date 2005/07/06 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We present the results of a new calculation for the photodisintegration of ultra-high energy cosmic ray nuclei on soft photon targets. We include all the relevant photodisintegraton processes i.e giant dipole resonance, quasi-deuteron, baryonic resonances and photofragmentation. In particular, for the giant dipole process we use a recent calculation of the giant dipole cross section. We calculate the mean free path for photodisintegration processes for radiation fields that are likely to exist within galaxies and clusters of galaxies.