Question: Consider the measured decay rates (D + K 0 e + v e ) = (71) x 10 10 s and (

Consider the measured decay rates Γ (D+ → K̅0e+ ve) = (7±1) x 1010s and Γ (μ+ → e+veν̅μ ) = 1/(2:2 μs). Justify the ratio of the two quantities.

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