How to Compute the Cabibbo Angle with Six Quarks
Once upon a time there were only three quarks. Not so very long ago hadron spectroscopists thought there were only three kinds (or flavors) of quarks, if they believed in quarks at all. All known hadrons could be built up out of u, d and s quarks. Each of the quark flavors had the same strong interactions (now thought to be mediated by color SU(3) gauge gluons) but differed in mass and in weak and electromagnetic properties.
KeywordsNeutrino Interaction Weak Current Strange Particle Quark Flavor CABIBBO Angle
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