Assertion: proton's quark | /r/HasProperty | detected
Facets:
Source sentences:
text: Instead, when particles are smashed together and quarks are detected, they are described like ends of rubber bands that stretch, but eventually pull quarks back together again.
text: Thus, only three quarks were detected.
text: When three quarks are detected, there would be three electrons with spin and one undetected electron-positron combination that may affect one of the electrons, causing it to be the down quark in the arrangement.