23–28 Jun 2014
Columbia University
US/Eastern timezone

Non-perturbative improvement of the axial current in N_f=3 lattice QCD

24 Jun 2014, 15:15
20m
207 Math

207 Math

Talk Standard Model Parameters and Renormalization Standard model parameters and renormalization

Speaker

Dr Jochen Heitger (University of Muenster)

Description

We present the results of a non-perturbative determination of the improvement coefficient c_A of the axial vector current in three-flavour lattice QCD with O(a) improved Wilson quarks and tree-level Symanzik improved gauge action. Our computation involves an improvement condition which is imposed at a constant physical volume of about 1.2 fm and employs the PCAC relation in the Schrödinger functional scheme with two different pseudoscalar states.

Primary authors

Mr Christian Wittemeier (Westfälische Wilhelms-Universität Münster) Dr Jochen Heitger (University of Muenster) Dr John Bulava (Trinity College Dublin) Dr Michele Della Morte (University of Southern Denmark Odense)

Presentation materials