Assertion: neutron's quark | /r/CapableOf | involve scattering off nucleus
Facets:
value: according to charge symmetry
type: OTHER
Source sentences:
text: According to charge symmetry, an up quark in the proton acts like a down quark in the neutron, and the most direct high-energy test of this property involves scattering off nuclei with equal numbers of protons and neutrons.