electronvolt


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electronvolt

(ɪˌlɛktrɒnˈvəʊlt)
n
(Units) a unit of energy equal to the work done on an electron accelerated through a potential difference of 1 volt. 1 electronvolt is equivalent to 1.602 × 10–19 joule. Symbol: eV

electronvolt

(eV) A unit of energy representing the energy acquired by an electron in passing through a potential difference of 1 volt. 1 eV = (1.6 ± 0.000 07) x 10-19 J.
References in periodicals archive ?
Mass and energy are equivalent, according to Einstein, and scientists have noticed that the energy scale associated with dark energy, about one-thousandth of an electronvolt, is approximately the same as the masses associated with the three known types of neutrinos.
Its decay produces gamma rays with energies of a trillion electronvolts.
So-called killer electrons, which are charged particles revved up to energies greater than 1 million electronvolts, punch through the skin of spacecraft.
148), researchers now report that they've pinned down the origin of the background at energies where it had remained most elusive--above 2,000 electronvolts.
The ions--a searing beam of 30 trillion protons, with energies up to 50 million electronvolts (MeV)--burst from the far side of the target.

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