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The Logarithmic Contributions to the Polarized and Operator Matrix Elements in Deeply Inelastic Scattering

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arxiv 2105.09572 v1 pith:6DFDDW4W submitted 2021-05-20 hep-ph hep-th

The Logarithmic Contributions to the Polarized and Operator Matrix Elements in Deeply Inelastic Scattering

classification hep-ph hep-th
keywords elementsmassivematrixoperatorpolarizedschemecontributionsexpressions
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We compute the logarithmic contributions to the polarized massive Wilson coefficients for deep-inelastic scattering in the asymptotic region $Q^2 \gg m^2$ to 3-loop order in the fixed-flavor number scheme and present the corresponding expressions for the polarized massive operator matrix elements needed in the variable flavor number scheme. The calculation is performed in the Larin scheme. For the massive operator matrix elements $A_{qq,Q}^{(3),\rm PS}$ and $A_{qg,Q}^{(3),\rm S}$ the complete results are presented. The expressions are given in Mellin-$N$ space and in momentum fraction $z$-space.

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Cited by 2 Pith papers

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  1. Analytic results for heavy-quark contributions to charged-current DIS at NNLO

    hep-ph 2026-06 conditional novelty 7.0

    Analytic NNLO partonic coefficient functions for F2, FL, F3 in charged-current DIS with exact charm mass, expressed via Goncharov polylogarithms and Chen iterated integrals.

  2. The variable flavor number scheme to three-loop order

    hep-ph 2026-07 accept novelty 6.0

    The variable flavor number scheme is completed to three-loop order with single- and two-mass effects, validated by renormalization-group analysis to match asymptotic heavy-flavor corrections, plus numerical Wilson-coe...