Non-perturbative renormalisation of four-fermion operators in N_f=2 QCD

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

We present results for the non-perturbative renormalisation of four-fermion operators with two flavours of dynamical quarks. We consider both fully relativistic left current-left current operators, and a full basis for $ΔB=2$ operators with static heavy quarks. The renormalisation group running of the operators to high energy scales is computed in the continuum limit for a family of Schroedinger Functional renormalisation schemes, via standard finite size scaling techniques. The total renormalisation factors relating renormalisation group invariant to bare operators are computed for a choice of lattice regularisations.
7 pages, 2 figures, Proceedings from the XXV International Symposium on Lattice Field Theory, Regensburg, Germany Typos corrected + typographic adjustments

Keywords

High Energy Physics - Lattice

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/204586

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0710.2862
 http://arxiv.org/abs/0710.2862
 PoSLAT2007:368,2007

Collections

arXiv