We report on two recent multiloop results in QED: (i) the four-loop corrections to the conversion relations between the QED charge renormalized in the on-shell and MS-bar schemes; (ii) analytical evaluation of a class of asymptotic contributions to the muon anomaly at five-loops.
@article{arxiv.0807.1646,
title = {New Results in Four and Five Loop QED calculations},
author = {P. A. Baikov and K. G. Chetyrkin and C. Sturm},
journal= {arXiv preprint arXiv:0807.1646},
year = {2008}
}
Comments
Talk presented at 9th DESY Workshop on Elementary Particle Theory: Loops and Legs in Quantum Field Theory, Sondershausen, Germany, 20-25 April 2008