Author

M. Neubert

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Preprint Sep 2026

Electromagnetic tails of $B$-meson light-cone distribution amplitudes

We investigate electromagnetic corrections to the $B$-meson decay constant and light-cone distribution amplitudes (LCDAs) within the framework of heavy-quark effective theory. The inclusion of QED effects extends the support of the LCDAs to negative values of the light-cone momentum. We clarify the relation between thi...

M. Ferré, M. Neubert · 0 citations