試題詳解

12. A muon has a half lifetime and a mass of 200 m_e. This muon is moving with a speed of u = 0.6 c. Please calculate mean lifetime τ₀, the traveling distance d measured at rest, during mean lifetime To the relativistic momentum P, the de-Broglie wavelength λ_d, the total energy E and kinetic energy (KE) in the unit of eV, the wavelengths of a photon with the same kinetic energy or the same momentum P, λp【複選題】 
(A) The mean lifetime and traveling distance measured at rest is
(B) The relativistic momentum is P = 76.66 MeV/c
(C) The de-Broglie wavelength is
(D) The total energy and kinetic energies are E = 165.77 MeV, KE = 35.55 MeV
(E) The wavelengths of photon with the same P or KE: