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Comptes Rendus Physique
Volume 5, n° 4
pages 441-452 (mai 2004)
Doi : 10.1016/j.crhy.2004.03.015
Status of particle physics solutions to the UHECR puzzle

Michael  Kachelrieß
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), München, Germany 

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The status of solutions to the ultra-high energy cosmic ray puzzle that involve particle physics beyond the standard model is reviewed. Signatures and experimental constraints are discussed for most proposals such as the   burst model and topological defects (both allowed only as subdominant contributions), supermassive dark matter (no positive evidence from its key signatures galactic anisotropy and photon dominance), strongly interacting neutrinos or new primaries (no viable models known), and violation of Lorentz invariance (viable). To cite this article: M. Kachelrieß, C. R. Physique 5 (2004).

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Nous présentons une revue des solutions proposées en réponse à l'énigme des rayons cosmiques ultra-énergétiques, faisant intervenir la physique des particules au-delà du Modèle Standard. Nous résumons les signatures et les contraintes expérimentales pour la plupart de ces modèles tels que : la désintégration du   et les défauts topologiques (tous deux envisageables seulement en tant que modèles sub-dominants), matière noire supermassive (qu'aucune indication, telle l'anisotropie galactique et production dominante de photons, ne favorise), les neutrinos à interaction forte ou des particules nouvelles (pas de modèles viables connus), et la violation de l'invariance de Lorentz (viable). Pour citer cet article : M. Kachelrieß, C. R. Physique 5 (2004).

Mots clés  : GZK cutoff ; UHE neutrinos ; Z-burst model ; Topological defects ; Supermassive Dark Matter ; Lorentz invariance violation.

Mots clés  : Coupure GZK ; Neutrinos ultra-énergétiques ; Modèle de désintégration du Z ; Défauts topologiques ; Matière Noire supermassive ; Invariance de Lorentz (violation).




© 2004  Published by Elsevier Masson SAS de la part de Académie des sciences.

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