up quark in French
up quark in French
quark haut
(particle) A quark having a fractional electric charge of +\frac{2}{3} and a mass of about 1.5 to 4 MeV.Symbol: u
quark up
(particle) A quark having a fractional electric charge of +\frac{2}{3} and a mass of about 1.5 to 4 MeV.Symbol: u