Positron vs. Proton

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(particle) The antimatter equivalent of an electron, having the same mass but a positive charge

‘The notion of a positron weapon remains the stuff of science fiction.’;


(particle) A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.


an elementary particle with positive charge; interaction of a positron and an electron results in annihilation


a stable particle with positive charge equal to the negative charge of an electron


The positron or antielectron is the antiparticle or the antimatter counterpart of the electron. The positron has an electric charge of +1 e, a spin of 1/2 (the same as the electron), and has the same mass as an electron.


A proton is a subatomic particle, symbol p or p+, with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are jointly referred to as (particles present in atomic nuclei).



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