Towards QCD running in 5 loops: quark mass anomalous dimension

Abstract

We report first results of an ongoing project devoted to the analytical calculation of the QCD $\beta$-function and the quark mass anomalous dimension at the five loop level.

Comments: 7 pages, to appear in the proccedings of the 11th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology), 22-27 September 2013, Durham, UK