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Preon Trinity: a new model of leptons and quarks
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
1999 (English)In: Beyond the desert 1999: accelerator, non-accelerator, and space approaches into the next millennium ; proceedings of the Second International Conference on Particle Physics Beyond the Standard Model, Castle Ringberg, Germany, 6 - 12 June 1999 / [ed] Hans Volker Klapdor-Kleingrothaus, Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 1999Conference paper (Refereed)
Abstract [en]

A new model for the substructure of quarks, leptons and weak gauge bosons, is discussed. It is based on three fundamental and absolutely stable spin-1/2 preons. Its preon flavour SU(3) symmetry leads to a prediction of nine quarks, nine leptons and nine heavy vector bosons. One of the quarks has charge $-4e/3$, and is speculated to be the top quark (whose charge has not been measured). The flavour symmetry leads to three conserved lepton numbers in all known weak processes, except for some neutrinos, which might either oscillate or decay. There is also a (Cabibbo) mixing of the $d$ and $s$ quarks due to an internal preon-antipreon annihilation channel. An identical channel exists inside the composite $Z^0$, leading to a relation between the Cabibbo and Weinberg mixing angles.

Place, publisher, year, edition, pages
Berlin: Encyclopedia of Global Archaeology/Springer Verlag, 1999.
Research subject
URN: urn:nbn:se:ltu:diva-35256Local ID: 9b5594d0-e9d3-11db-b9a9-000ea68e967bOAI: diva2:1008508
International Conference on Physics beyond the Standard Model : 06/06/1999 - 12/06/1999
Godkänd; 1999; 20070413 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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