Assertion: muon | /r/Synonym | mu mesons
Facets:
value: previously
type: TEMPORAL
value: originally
type: OTHER
value: formerly
type: TEMPORAL
Source sentences:
text: Muons were formerly called “mu mesons”, but are not classified as mesons by modern particle physicists (see § History), and that name is no longer used by the physics community.
text: The muon was originally called the mu-meson and was once thought to be a meson.
text: Muons were previously called mu mesons, but are not classified as mesons by modern particle physicists (see History).