Ultra High Energy Cosmic Rays: Signature of Extragalactic Component

Details Ultra High Energy Cosmic Rays: Signature of Extragalactic Component Ultra High Energy Cosmic Rays: Signature of Extragalactic Component

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ysc..conf...23h&link_type=abstract

12th Young Scientists' Conference on Astronomy and Space Physics, held in Kyiv, Ukraine, April 19-23, 2005, Eds.: Simon, A.; Gol

Physics

Space Physics

Scientific paper

We investigate the problem of transition from galactic cosmic rays to extragalactic ultra high energy cosmic rays. Using the model for extragalactic ultra high energy cosmic rays and observed all-particle cosmic ray spectrum, we calculate the galactic spectrum of iron nuclei.The flux and spectrum pre dicted at lower energies agree well with the KASCADE data. The transition from galactic to extragalactic cosmic rays is distinctly seen in spectra of protons and iron nuclei, when they are measured separately. The shape of the predicted iron spectrum agrees with the Hall diffusion.

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