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      Are topological defects responsible for the 300 EeV cosmic rays?

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          Abstract

          We use of a hybrid matrix--Monte Carlo method to simulate the cascade through the cosmic background radiation initiated by UHE particles and radiation emitted by topological defects. We follow the cascade over cosmological distances and calculate the intensities of hadrons, gamma-rays and neutrinos produced. We compare our results with the observed cosmic ray intensity at 300 EeV and lower energies, and conclude that topological defects are most unlikely to be the origin of the most energetic cosmic ray events.

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          Author and article information

          Journal
          01 May 1996
          Article
          10.1016/0920-5632(96)00299-X
          astro-ph/9605006
          Custom metadata
          ADP-AT-96-2
          Nucl.Phys.Proc.Suppl. 48 (1996) 485-487
          3 pages, compressed and uuencoded PostScript (111kb); Nucl. Phys. B., Proc. Suppl., vol 48, in press (TAUP95 Workshop)
          astro-ph

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