3-loop Massive $O(T_F^2)$ Contributions to the DIS Operator Matrix Element $A_{gg}$

@article{Ablinger20143loopM,
  title={3-loop Massive \$O(T_F^2)\$ Contributions to the DIS Operator Matrix Element \$A_\{gg\}\$},
  author={J. Ablinger and J. Blumlein and A. Freitas and A. Hasselhuhn and A. Manteuffel and M. Round and C. Schneider},
  journal={Nuclear and Particle Physics Proceedings},
  year={2014},
  pages={37-40}
}
  • J. Ablinger, J. Blumlein, +4 authors C. Schneider
  • Published 2014
  • Physics
  • Nuclear and Particle Physics Proceedings
  • Contributions to heavy flavour transition matrix elements in the variable flavour number scheme are considered at 3-loop order. In particular a calculation of the diagrams with two equal masses that contribute to the massive operator matrix element Agg,Q(3) is performed. In the Mellin space result one finds finite nested binomial sums. In x-space these sums correspond to iterated integrals over an alphabet containing also square-root valued letters. 

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