{ "id": "1511.01003", "version": "v1", "published": "2015-11-03T17:29:09.000Z", "updated": "2015-11-03T17:29:09.000Z", "title": "Luminosity of ultrahigh energy cosmic rays and bounds on magnetic luminosity of radio-loud active galactic nuclei", "authors": [ "C. H. Coimbra-Araújo", "R. C. Anjos" ], "comment": "6 pages, 2 figures", "journal": "Phys. Rev. D 92, 103001, Published 2 November 2015", "doi": "10.1103/PhysRevD.92.103001", "categories": [ "astro-ph.HE", "hep-ph", "hep-th" ], "abstract": "We investigate the production of magnetic flux from rotating black holes in active galactic nuclei (AGNs) and compare it with the upper limit of ultrahigh energy cosmic ray (UHECR) luminosities, calculated from observed integral flux of GeV-TeV gamma rays for nine UHECR AGN sources. We find that, for the expected range of black hole rotations (0.44