FK/Fπ from the Budapest-Marseille-Wuppertal collaboration

A. Ramos, S. Dürr, Z. Fodor, C. Hoelbling, S. D. Katz, S. Krieg, T. Kurth, L. Lellouch, T. Lippert, K. K. Szabó

Research output: Contribution to conferencePaperpeer-review

Abstract

Based on a series of lattice calculations we determine the ratio F K/Fπ in QCD. With experimental data from kaon decay and nuclear double beta decay, we obtain a precise determination of |V us|. Our simulation includes 2 + 1 flavours of sea quarks, with three lattice spacings, large volumes and a simulated pion mass reaching down to about 190MeV for a full control over the systematic uncertainties.

Original languageEnglish (US)
StatePublished - 2011
Event6th International Workshop on the CKM Unitarity Triangle, CKM 2010 - Coventry, United Kingdom
Duration: Sep 6 2010Sep 10 2010

Conference

Conference6th International Workshop on the CKM Unitarity Triangle, CKM 2010
Country/TerritoryUnited Kingdom
CityCoventry
Period9/6/109/10/10

All Science Journal Classification (ASJC) codes

  • Mathematics (miscellaneous)

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