Quantum Gravity and String Theory


Cosmic-Ray Showers and Muon Problem

Authors: Sylwester Kornowski

The Pierre Auger Observatory has detected more muons from cosmic-ray showers (about 30% to 60% for centre-of-mass energies 110 TeV to 170 TeV) than predicted within the LHC models for the centre-of-mass energies about 10 times lower (i.e. below 13 TeV). It suggests that at the energies beyond LHC, there can dominate a phenomenon that is neglected at the LHC energies. Here, within the Scale-Symmetric Theory (SST), we show that the observed excess of muons concerns energies above the threshold energy about 18 TeV for the nucleons. At such energies, in proton-proton collisions, production of the spin-1 proton-antiproton pairs or narrow resonances dominates. This leads to the 50% positive excess of muons in comparison with the LHC-models prediction that should be observed in the cosmic-ray showers. It is consistent with the Auger data.

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[v1] 2016-11-03 05:37:15

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