An particle has rest energy 1672 MeV and mean lifetime 8.2 × 10-¹1 s. It is created and decays in a particle track detector and leaves a track 22-mm long. What is the total energy of the particle?
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- Suppose the LHC Large Hadron Collider produces an electron with relativistic energy 6.5 TeV (1012 eV). A 6.5 TeV electron has γ = _____ times rest energy.Q 2(a)The E* particle has a rest energy of 1385 MeV and a lifetime of 2.0 x 10-23 s. What would be a typical range of outcomes of measurements of the E* rest energy? (b)A nucleus emits a gamma ray of energy 1.2 MeV from a state that has a lifetime of 2.1 ns. What is the uncertainty in the energy of the gamma ray?Ernest Rutherford is famous for, among other things, shooting alpha particles at unsuspecting gold atoms. Consider an alpha particle endowed with 5.00 MeV of energy. Determine the closest distance this particle can approach the nucleus of a gold atom before deflecting
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