Meanings (ES + gloss)
antipartícula
A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another.
Particles of matter and antimatter are identical, except for an opposite electrical charge. An electron has a negative charge whereas its antiparticle, the positron, has a positive…
There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!
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