Ultrahigh energy cosmic rays and supersymmetry

Details Ultrahigh energy cosmic rays and supersymmetry Ultrahigh energy cosmic rays and supersymmetry

1998-06-09

arxiv.org/abs/hep-ph/9806322v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 3 figures, style file included. Based on a talk presented at XXXIIIrd Rencontres de Moriond: Electroweak Interactions

Scientific paper

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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