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Published in 2019 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2018.12.020
Abstract: We present the first lattice-QCD calculation of the kaon distribution amplitude using the large-momentum effective theory (LaMET) approach. The momentum-smearing technique has been implemented to improve signals at large meson momenta. We subtract the power…
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Keywords:
distribution amplitude;
distribution;
flavor symmetry;
kaon distribution ... See more keywords
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Published in 2020 at "Physical Review D"
DOI: 10.1103/physrevd.102.071501
Abstract: The $B$-meson light-cone distribution amplitude is a central quantity governing non-perturbative hadronic dynamics in exclusive $B$ decays. We show that the information needed to describe such processes at leading power in $\Lambda_{\rm QCD}/m_b$ is most…
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Keywords:
light cone;
meson light;
cone distribution;
distribution amplitude ... See more keywords