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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

$Z_\mathrm{S}/Z_\mathrm{P}$ from three-flavour lattice QCD

Jul 26, 2018, 9:50 AM
20m
104 (Kellogg Hotel and Conference Center)

104

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Standard Model Parameters and Renormalization Standard Model Parameters and Renormalization

Speaker

Mr Fabian Joswig (Universität Münster)

Description

We report on advances in the non-perturbative determination of the ratio $Z_\mathrm{S}/Z_\mathrm{P}$ of the scalar to the pseudoscalar renormalization constants in three-flavour lattice QCD with Wilson-clover quarks and tree-level Symanzik improved gluons. The computations are based on the Ward identity approach, using Schrödinger functional boundary conditions. Our results for $Z_\mathrm{S}/Z_\mathrm{P}$ cover a range of couplings along a line of constant physics with lattice spacings of about $0.09\,$fm and below, relevant for phenomenological applications such as the calculation of renormalized quark masses.

Primary authors

Prof. Anastassios Vladikas (INFN Tor Vergata) Mr Fabian Joswig (Universität Münster) Dr Jochen Heitger (Universität Münster)

Presentation Materials