[SEMINARI]: Dr. Kachelriess: Ultrahigh energy cosmic rays and new particle physics?

[Arcadi Santamaria]

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                              S E M I N A R I

            [Image]    Departament de Física Teòrica     [Image]
                          Universitat de València
                      46100 Burjassot (València) Spain

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              Ultrahigh energy cosmic rays and new particle physics?

                             Michael Kachelriess

                          (DepFisTeo-IFIC/CSIC-UV)

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                     Aula de Seminaris de Física Teòrica
                 Tuesday 01 of December of 1998 at 04:00 PM
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                                    Resum

  The observation of cosmic rays (CR) with energy above 5*10**19eV poses a
 serious challenge to both astro- and particle physics. After a short review
of the experimental situation, I discuss superheavy metastable particles and
topological defects as CR sources and their signatures. Then, I show how the
    fragmentation spectra of hadrons can be obtained in the framework of
      SUSY-QCD. Finally, I discuss the lightest supersymmetric particle
                (neutralino, gluino) as possible CR primary.

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