Pion

https://www.wikidata.org/wiki/Q4097

Field Hierarchy

Parent
Physics 33M papers	Quantum mechanics 13.3M papers	Nuclear physics 2.1M papers	Particle physics 576k papers
Current
Pion 44.9k papers
Child
Nambu–Jona-Lasinio model 31k papers	Chirality (physics) 30.5k papers	Chiral perturbation theory 7,332 papers	Partial wave analysis 2,008 papers
Vector meson dominance 1,248 papers	Rho meson 395 papers	Pion decay constant 349 papers	Delta baryon 266 papers

Trends

Notes

History