Muon decay spectrum: Leading logarithmic approximation

Feb, 2002
8 pages
Published in:
  • Phys.Rev.D 65 (2002) 113006
e-Print:
Report number:
  • ALBERTA-THY-01-02

Citations per year

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Abstract:
O(alpha^2 ln^2(m_mu/m_e)) QED corrections to the electron spectrum and angular distribution in muon decay are evaluated. Impact on the determination of Michel parameters is estimated. Current theoretical uncertainty in the muon decay distributions is discussed.
  • 12.38.Bx
  • 12.20.Ds
  • 13.35.Bv
  • 14.60.Ef
  • muon+: leptonic decay
  • muon+: width
  • positron: energy spectrum
  • positron: angular distribution
  • leading logarithm approximation
  • Michel parameter
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