-- Compute muon lifetime GF = 1.1663787 10^(-5) GeV^(-2) mmu = 1.883531627 10^(-28) kilogram h = 6.62607015 10^(-34) joule second c = 299792458 meter / second joule = kilogram meter^2 / second^2 GeV = 10^9 1.602176634 10^(-19) joule kilogram = "kilogram" meter = "meter" second = "second" pi = float(pi) -- use numerical value of pi "Muon lifetime" tau = 96 pi^2 h / (GF^2 (mmu c^2)^5) tau "Fraction of PDG value" T = 2.1969811 10^(-6) second tau / T
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