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positron
(redirected from antielectron)

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positron

Antiparticle of the electron; an elementary particle having the same mass as an electron but exhibiting a positive charge. The positron was discovered in 1932 by US physicist Carl Anderson at the California Institute of Technology, USA, its existence having been predicted by the British physicist Paul Dirac in 1928.



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? Mentioned in ? References in periodicals archive
 
To make the first antimatter atoms that move slowly enough to be studied, physicists combined ultracold antiprotons and antielectrons into atoms of antihydrogen.
Slow winners. (Science News of the year: the weekly newsmagazine of ... by Science News
In at least one case, an antielectron began orbiting an antiproton and created - briefly - antihydrogen.
Atom's opposite by Costello, Emily / Science World
20), each of which consists of a negatively charged antiproton orbited by one positively charged antielectron, or positron.
Putting the brakes on antihydrogen. (Physics) by Science News
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