Higher order QED corrections to muon decay spectrum

Jun, 2002
18 pages
Published in:
  • JHEP 03 (2003) 063
e-Print:
Report number:
  • ALBERTA-THY-10-02

Citations per year

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Abstract:
QED radiative corrections to polarized muon decay spectrum are considered. Leading and next--to--leading logarithmic approximations are used. Exponentiation of soft radiation is discussed. The present theoretical uncertainty of the spectrum description is estimated.
  • muon: leptonic decay
  • muon: polarization
  • muon: width
  • differential cross section
  • quantum electrodynamics: radiative correction
  • perturbation theory: higher-order
  • leading logarithm approximation: higher-order
  • fragmentation function
  • numerical calculations
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