electron volt


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Related to electron volt: Planck's constant
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Synonyms for electron volt

a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt

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References in periodicals archive ?
The world-record high-energy cosmic-ray particle carried 3.2 [+ or -] 0.9 x [10.sup.20] electron volts. If it was a proton, it was moving so close to the speed of light that after traveling 1 light-year, it would be only 46 nanometers behind a photon that left at the same time!
Most cosmic rays have energies of millions or billions of electron volts, but some are much more energetic.
By 1954, a particle accelerator capable of accelerating protons to an energy of 5 to 6 billion electron volts (BeV) had been built at the University of California.
The low energy X-rays, as previously suggested, was a result of the collision between hot stellar winds going up to 40 million degrees Celsius, but the "hard" X-rays had energies more than 30,000 electron volts, which is much more than what could be explained by the collision of winds.
[and] masses of at least five billion electron volts.
Both packed a serious punch: 73 and 95 billion electron volts, the highest-energy photons ever recorded from a GRB.
For comparison, the energy of visible light is between 2 and 3 electron volts.
This year, the LHC's protons collided with 13 trillion electron volts of energy; the machine was running at 8 trillion electron volts when it exposed overwhelming evidence for the Higgs boson in 2012 (SN: 7/28/12, p.
The particle itself weighs approximately 126 billion electron volts (a proton weighs 1 billion electron volts), and that mass would be what's needed to make the universe unstable, notes LiveScience.
The LHC results put the Higgs-like particle at about 125 billion electron volts, 133 times more massive than a proton.
At the flare's peak, the LAT detected gamma rays with two billion times the energy of visible light, or about four billion electron volts (GeV), easily setting a record for the highest-energy light ever detected during or immediately after a solar flare.
UPDATE: The galaxy is teeming with cosmic rays--and we now know a lot more about these subatomic particles that tear through space with tremendous energy, up to roughly 100 billion billion electron volts. The lowest-energy cosmic rays come from the sun.
While the energy of visible light falls between about 2 and 3 electron volts, the LAT detects gamma rays with energies ranging from 20 million to more than 300 billion electron volts (GeV).
In Fermi's all-sky maps of very-high-energy gamma radiation (1 billion to 100 billion electron volts per photon), the bubbles at first went unrecognized.
Based on its mass (3,872 million electron volts) and the particles it decayed into, X(3872) appeared to consist of a charm quark, an anticharm and at least two other quarks.