Ultrahigh energy cosmic rays and supersymmetry
Kachelriess, M.
Original · EN
Recently, models proposing superheavy particles X as source of ultrahigh energy cosmic rays have attracted some interest. The X-particles are either metastable relic particles from the early Universe or are released by topological defects. In these models, the detected air-showers are produced by primaries originating from the fragmentation of the X-particles. We present the fragmentation spectrum of superheavy particles calculated in SUSY-QCD. Then we discuss the status of the lightest supersymmetric particle as possible ultrahigh energy primary.
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