A hybrid renormalization scheme removes linear divergences from baryon quasi-DAs on the lattice, producing smooth continuum distributions at multiple spacings.
Light-cone distribution amplitudes of octet baryons from lattice QCD
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abstract
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 $a=0.039\,\mathrm{fm}$. 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.
years
2026 2verdicts
UNVERDICTED 2representative citing papers
pQCD plus flavor symmetry yields O(10^{-5}) branching ratios for selected B to baryon + dark baryon decays in Type-I and Type-II scenarios.
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Hybrid Renormalization for Baryon Distribution Amplitudes from Lattice QCD in LaMET
A hybrid renormalization scheme removes linear divergences from baryon quasi-DAs on the lattice, producing smooth continuum distributions at multiple spacings.
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B Meson Semi-Invisible Decays via Perturbative QCD
pQCD plus flavor symmetry yields O(10^{-5}) branching ratios for selected B to baryon + dark baryon decays in Type-I and Type-II scenarios.