The story
From the pronunciation of its symbol π⁺.
Etymology from Wiktionary, CC BY-SA 4.0.
pi-plus
Today it means: The positive pion, composed of an up quark and an anti-down quark. Full definition →
Today it means: The positive pion, composed of an up quark and an anti-down quark. Full definition →
From the pronunciation of its symbol π⁺.
Etymology from Wiktionary, CC BY-SA 4.0.