18-24 June 2017
Palacio de Congresos
Europe/Madrid timezone
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Contribution Parallel

Seminarios 6+7
Weak Decays and Matrix Elements

Weak hamiltonian Wilson Coefficients from Lattice QCD


In this work we present a new calculation of the Wilson Coefficients c1 and c2 of the Effective Weak Hamiltonian to all-orders in alpha_s, using lattice simulations. Given the current availability of lattice spacings we restrict our calculation to unphysically light W-bosons around 2 GeV and we demonstrate how both Wilson Coefficients can be obtained with controlled systematic uncertainties.

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Weak Decays and Matrix Elements