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SUMMARY:Why do we have three families of quarks and leptons?  ---- Supersy
 mmetric E_7 nonlinear sigma model - Tsutomu Yanagida\, Kavli IPMU\, Tokyo
DTSTART:20180912T103000Z
DTEND:20180912T113000Z
UID:TALK109297@talks.cam.ac.uk
CONTACT:Francesco Coradeschi
DESCRIPTION:I will show you my answer to one of the fundamental questions 
 -- \nwhy 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 a
 lso discuss a possible connection to N=8 supergravity.
LOCATION:MR9 (Ground Floor Pavillion B)
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