Are there indications of compositeness of leptons and quarks in CERN LEP data?

Details Are there indications of compositeness of leptons and quarks in CERN LEP data? Are there indications of compositeness of leptons and quarks in CERN LEP data?

2007-12-20

arxiv.org/abs/0712.3342v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, no figures

Scientific paper

The ``preon-trinity'' model for the compositeness of leptons, quarks and heavy vector bosons predicts several new heavy leptons and quarks. Three of them can be produced in $e^{+}e^{-}$ annihilations at CERN LEP energies, since they can be created out of a system of three preons and their antipreons, where three preons form a heavy lepton or quark, while the other three go into a normal lepton or quark. In fact, these new particles are predicted to be lighter than the top quark, while the top itself cannot be produced this way, due to its particular preon substructure. The empirical situation is analyzed, and the most likely masses are estimated.

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