• Open Access

Logarithmic contributions to the polarized O(αs3) asymptotic massive Wilson coefficients and operator matrix elements in deeply inelastic scattering

J. Blümlein, A. De Freitas, M. Saragnese, C. Schneider, and K. Schönwald
Phys. Rev. D 104, 034030 – Published 30 August 2021

Abstract

We compute the logarithmic contributions to the polarized massive Wilson coefficients for deep-inelastic scattering in the asymptotic region Q2m2 to three-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 Aqq,Q(3),PS and Aqg,Q(3),S the complete results are presented. The expressions are given in Mellin-N space and in momentum fraction z space.

  • Received 21 May 2021
  • Accepted 23 June 2021

DOI:https://doi.org/10.1103/PhysRevD.104.034030

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

J. Blümlein1, A. De Freitas1, M. Saragnese1, C. Schneider3, and K. Schönwald1,2

  • 1Deutsches Elektronen Synchrotron, DESY, Platanenallee 6, D–15738 Zeuthen, Germany
  • 2Institut für Theoretische Teilchenphysik Campus Süd, Karlsruher Institut fr Technologie (KIT), D-76128 Karlsruhe, Germany
  • 3Johannes Kepler University Linz, Research Institute for Symbolic Computation (RISC), Altenberger Straße 69, A–4040 Linz, Austria

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Issue

Vol. 104, Iss. 3 — 1 August 2021

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