The story
Etymology from Wiktionary, CC BY-SA 4.0.
pion
Today it means: Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks. Full definition →
Today it means: Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.