down quark in a sentence
Example sentences for down quark
The proton is a baryon that consists of two up and one down quark, and the neutron is two down and one up.
It is also proven that a down quark disappears and an up quark is produced.
There are two up quarks and a down quark in a proton, and two down quarks and an up quark in a neutron.
Two up quarks and one down quark make up the proton.