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Noun
1. antiprotonPhysics
Wikipedia definition
2. AntiprotonThe antiproton (p, pronounced p-baer) is the antiparticle of the proton. Antiprotons are stable, but they are typically short-lived since any collision with a proton will cause both particles to be annihilated in a burst of energy. The existence of the antiproton with −1 electric charge, opposite to the +1 electric charge of the proton, was predicted by Paul Dirac in his 1933 Nobel Prize lecture.
Read “Antiproton” on English Wikipedia
Read “反陽子” on Japanese Wikipedia
Read “Antiproton” on DBpedia

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