18-24 June 2017
Palacio de Congresos
Europe/Madrid timezone
Contribution Parallel
Seminarios 6+7
Weak Decays and Matrix Elements
Setting up a tmQCD valence action for flavour physics
Speakers
- Mr. Jose Angel ROMERO JURADO
Primary authors
Co-authors
- Gregorio HERDOIZA (IFT, UAM-CSIC)
- Mr. Javier UGARRIO MUÑOZ (Instituto Física Teórica UAM-CSIC)
- Prof. Carlos PENA (Universidad Autónoma de Madrid and IFT UAM-CSIC)
- Mr. David PRETI (IFT UAM-CSIC)
Files
Content
We discuss a mixed-action approach in which sea quarks are regularized using non-perturbatively $O(a)$ improved Wilson fermions, while an $N_f=2+1+1$ fully-twisted tmQCD action is used for valence quarks. In this setup automatic O(a) improvement is preserved for valence observables, apart from small residual O(a) effects from the sea. An optimal strategy for matching sea and valence is set up, and carried out for $N_f=2+1$ CLS ensembles with open boundary conditions at several simulation points.
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Weak Decays and Matrix Elements
