down quark in French
down quark in French
quark bas
(particle) A quark having a fractional electric charge of -\frac{1}{3} and a mass of about 4 to 8 MeV.Symbol: d
quark down
(particle) A quark having a fractional electric charge of -\frac{1}{3} and a mass of about 4 to 8 MeV.Symbol: d