antiparticle
A subatomic particle corresponding to another particle with the same mass, spin and…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.
» A photon is its own antiparticle.
Meaning
1 senses(particle)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.
Antiteilchen
античасти́цаantičastíca
античастинкаantyčastynka
a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy
Examples
1 sentencesA photon is its own antiparticle.