University of Cambridge > Talks.cam > HEP phenomenology joint Cavendish-DAMTP seminar > Why do we have three families of quarks and leptons? ---- Supersymmetric E_7 nonlinear sigma model

Why do we have three families of quarks and leptons? ---- Supersymmetric E_7 nonlinear sigma model

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If you have a question about this talk, please contact Francesco Coradeschi.

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I will show you my answer to one of the fundamental questions— why do we have three families of quarks and leptons? It is based on a supersymmetric nonlinear sigma model, which strongly indicates that the quarks and leptons are composite bound states of some E_7 preons. I will also discuss a possible connection to N=8 supergravity.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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