Muon and Tau Lepton Decays
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In this chapter we study the τ ± (tau lepton) and μ ± (muon) decays governed by weak interactions only. Since the leptonic numbers are assumed to be strictly conserved in the standard model, the electromagnetic decay modes τ ± →μ ±(e±)+γ and μ ± → e±+ γ cannot occur. See Problem 12.1, however.
KeywordsForm Factor Spectral Function Parity Violation Weak Decay Semileptonic Decay
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Suggestions for Further Reading
Parity violation in weak interactions and spin-momentum correlation
- Wu, C. S. et al., Phys. Rev. 105 (1957) 1413Google Scholar
Michel parameters as probe of weak interaction structures
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