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mezóny
Subject h. mezóny Subject h. Mesons Entry terms mióny
pióny
mí-mezóny
pí-mezónyEnglish X references Muons
Pions
mu-Mesons
pi-MesonsScope note in English Short-lived elementary particles found in cosmic radiation or produced from nuclear disintegration. Their mass is between that of protons and electrons and they can be negative, positive, or neutral. pi-Mesons (pions) are heavier than mu-mesons (muons) and are proposed for cancer radiotherapy because their capture and disintegration by matter produces powerful, but short-lived, secondary radiation. 
subject heading
Number of the records: 1