1 janv. 1969 - Partons
Description:
(internal constituents of hadrons) observed in deep inelastic scattering experiments between protons and electrons at SLAC; this was eventually associated with the quark model (predicted by Murray Gell-Mann and George Zweig in 1964) and thus constitutes the discovery of the up quark, down quark, and strange quark.Ajouté au bande de temps:
Date:
1 janv. 1969
Maintenaint
~ Il y a 56 ans