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Higher-order NLO radiative corrections to polarized muon decay spectrum

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arxiv 2312.10778 v1 pith:KXDYZJL3 submitted 2023-12-17 hep-ph

Higher-order NLO radiative corrections to polarized muon decay spectrum

classification hep-ph
keywords alphaleftmathcalrightcorrectionsdecayhigher-ordermuon
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Higher-order QED radiative corrections to muon decay spectrum are evaluated within the QED structure function approach in the next-to-leading order logarithmic approximation. New analytical results are given in the $\mathcal{O}\left(\alpha^3 \ln^2(m_\mu^2/m_e^2)\right)$ order. Earlier results in $\mathcal{O}\left(\alpha^2 \ln^1(m_\mu^2/m_e^2)\right)$ and $\mathcal{O}\left(\alpha^3 \ln^3(m_\mu^2/m_e^2)\right)$ orders are partially corrected. Numerical estimates of different contributions are presented.

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Cited by 2 Pith papers

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