MESONS
\mˈiːzɒnz], \mˈiːzɒnz], \m_ˈiː_z_ɒ_n_z]\
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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.
By DataStellar Co., Ltd
