Bonn 2010 – wissenschaftliches Programm
T 12.6: Vortrag
Mittwoch, 17. März 2010, 15:15–15:30, HG XVI
Computation of Genuine Massive 2- and 3-loop 2-Point Functions with Operator Insertion — •Johannes Bluemlein1, Alexander Hasselhuhn1, and Sebastian Klein2 — 1DESY — 2RWTH Aachen
Results are presented on the calculation of massive 2- and 3-loop 2-point functions in QCD containing local composite operator insertions. We consider primitive divergent Feynman diagrams. The integrals are of importance for the massive operator matrix elements, which describe the heavy flavor Wilson coefficients of deep-inelastic scattering structure functions in the region Q2 ≫ m2 at general values of the Mellin variable N.