1 gen 1969 anni - Partons
Descrizione:
(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.Aggiunto al nastro di tempo:
Data:
1 gen 1969 anni
Adesso
~ 55 years ago
