From Wikipedia, the free encyclopedia
Pruotuons (gr. πρωτον, prōton – pė̄rma) īr stabėli sobatuomėnė dalielė, katra tor teigama vėina bazėne vėineta krūvi (1,602 × 10−19 C) ė mase 938,3 MeV/c2 (1,6726 × 10−27 kg, daugmaž 1836 dėdlesne mase ne elektruona). Sosėded ėš trieju kvarkū.
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