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      GZK photons as UHECR above 10\(^{19}\) eV

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          Abstract

          "GZK photons" are produced by extragalactic nucleons through the resonant photoproduction of pions. We present the expected range of the GZK photon fraction of UHECR, assuming a particular UHECR spectrum and primary nucleons, and compare it with the minimal photon fraction predicted by Top-Down models.

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          Publication date Created: 20 December 2005
          Article
          DOI: 10.1088/1742-6596/39/1/108
          ArXiV ID: hep-ph/0512267
          SO-VID: 13d2ba0f-a232-460c-abf7-6066993cbc84
          History
          Custom metadata
          Report No UCLA/05/TEP/32
          Journal reference J.Phys.Conf.Ser. 39 (2006) 419-421
          Comments Talk given at TAUP2005, Sept. 10-14 2005, Zaragoza (Spain); 3 pages, 2 figures
          Categories hep-ph

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