Assertion: neutrino | /r/HasProperty | fermion
Facets:
Source sentences:
text: A neutrino ( or ) (denoted by the Greek letter ν) is a fermion (an elementary particle with spin of 1/2) that interacts only via the weak subatomic force and gravity.
text: Neutrinos have half-integer spin (½ ħ); therefore they are fermions.