GeV
gigaelectron volt
Energyexact by definition
The gigaelectronvolt is 10⁹ electronvolts, exactly 1.602176634 × 10⁻¹⁰ joules, exact since the 2019 SI fixed the elementary charge. It is the natural unit of particle physics masses: the proton is 0.938 GeV/c², the Higgs boson 125 GeV/c², and the top quark about 173.
| 1 GeV | 1.6021766e-10 J |
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