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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
pi meson +    
pi(+) meson 
pi(-) meson 
A subatomic particle of charge number -1, zero spin and rest mass of 0.1498323(8) u, or 139.5679(7) MeV.
pi(0) meson 

Synonyms
Related Synonyms: negative pion ;   pi(-)

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