Muon Excess in Cosmic Rays and at CDF: Signs for a Hidden Sector?

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In this letter we discuss a certain class of Hidden Valley models where the dynamics in the hidden sector are close to a strongly coupled conformal fixed point. We show that these models can explain the excess in cosmic ray muon events with high muon multiplicities that has been reported from cosmic ray studies with the ALEPH and DELPHI detectors. We further point out that these models can also at least partially account for the excess in multi-muon events that was found by the CDF experiment. Finally we discuss possible signatures of these models at the LHC.
13 pages, 5 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/213312

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0812.4240
 http://arxiv.org/abs/0812.4240

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arXiv