Simulation of QCD with Nf = 2 + 1 flavors of non-perturbatively improved Wilson fermions

By M. Bruno, D. Djukanovic, G. Engel, A. Francis, G. Herdoiza, H. Horch, P. Korcyl, Tomasz Korzec, M. Papinutto, Stefan Schaefer and 4 more. 2014

193 citations recorded by the source corpus.

A bstractWe describe a new set of gauge configurations generated within the CLS effort. These ensembles have Nf = 2 + 1 flavors of non-perturbatively improved Wilson fermions in the sea with the Lüscher-Weisz action used for the gluons. Open boundary conditions in time are used to address the problem of topological freezing at small lattice spacings and twisted-mass reweighting for improved stability of the simulations. We give the bare parameters at which the ensembles have been generated and how these parameters have been chosen. Details of the algorithmic setup and its performance are presented as well as measurements of the pion and kaon masses alongside the scale parameter t0.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/305113e0b3923d4db0511f7bad47afeb57ff3db7

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In Nuclear and High Energy Physics

1. Rainer Sommer
2. Stephen R. Sharpe
3. M. Morte
4. A. Vladikas
5. P. Dimopoulos
6. S. Simula
7. C. Bernard
8. S. Gottlieb

Citations in the corpus

• Setting the scale for the CLS 2 +1 flavor ensembles (2016, unknown): “[1].”
• FLAG Review 2019 (2019, result): “While large scale simulations with open boundary conditions are already far advanced [109], only one result reviewed here has been obtained with any of the above methods (results for αs from Ref.”
• Review of lattice results concerning low-energy particle physics (2016, result): “While large scale simulations with open boundary conditions are already far advanced [79], unfortunately so far no results reviewed here have been obtained with any of the above methods.”