Assertion: spin | /r/CapableOf | take same direction
Facets:
value: in a polarized proton target
type: LOCATION
Source sentences:
text: In a polarized proton target, all the protons' spin take the same direction, and therefore it was expected that the spin of two out of the three quarks cancels out and the spin of the third quark is polarized in the direction of the proton's spin.