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- exa-electron volt, 1018 eV
Sorry, no etymologies found.
One of them, seen in 1991, had an energy of 300 exa electron volts (EeV), which is 20 million times more powerful than the LHC's 14 TeV collisions.
Event reconstruction: S (1000m) Example Event (48°, E~70 EeV) Reconstruction procedure: χ²-method to fit angles (θ, φ) Likelihood method to fit a NKG-type function Fitting parameters core S (1000m) S (1000m) Slope β fixed 4 10 1000m