Journal
EUROPEAN PHYSICAL JOURNAL A
Volume 55, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epja/i2019-12803-6
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Funding
- Deutsche Forschungsgemeinschaft (collaborative research centre) [SFB/TRR-55]
- Studienstiftung des deutschen Volkes
- Narodowe Centrum Nauki [UMO-2016/21/B/ST2/01492]
- European Union's Horizon 2020 Research and Innovation programme under the Marie Sklodowska-Curie grant [813942]
- Interdisciplinary Centre for Mathematical and Computational Modelling (ICM) of the University of Warsaw [GA67-12, GA69-20]
- German Federal Ministry of Education and Research (BMBF)
- German State Ministry for Research of Baden-Wurttemberg (MWK)
- German State Ministry for Research of Bayern (StMWFK)
- German State Ministry for Research of Nordrhein-Westfalen (MIWF)
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We present lattice QCD results for the wave function normalization constants and the first moments of the distribution amplitudes for the lowest-lying baryon octet. The analysis is based on a large number of N-f = 2 + 1 ensembles comprising multiple trajectories in the quark mass plane including physical pion (and kaon) masses, large volumes, and, most importantly, five different lattice spacings down to a = 0.039 fm. This allows us to perform a controlled extrapolation to the continuum and infinite volume limits by a simultaneous fit to all available data. We demonstrate that the formerly observed violation of flavor symmetry breaking constraints can, indeed, be attributed to discretization effects that vanish in the continuum limit.
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