Counterparts of ordinary subatomic particles, which have the same mass and spin but opposite charge, magnetic moment, and any other internal attributes (including lepton, baryon, strangeness, and charm quantum numbers). Each particle has a corresponding antiparticle, although certain purely neutral ...
Found on
http://www.daviddarling.info/encyclopedia/A/antiparticle.html
In particle physics every particle with any type of charge or fermion label has a corresponding antiparticle type. Any particle and its antiparticle have identical mass and spin but opposite charges. For example the antiparticle of an electron is a positron It has exactly the same mass as an electron but positive charge
Found on
https://www.encyclo.co.uk/local/21257
No exact match found.
