Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Bottomonium resonances from lattice QCD static-static-light-light potentials
L. Mueller*, P. Bicudo, N. Cardoso and M. Wagner
Full text: pdf
Pre-published on: May 16, 2022
Published on:
Abstract
We study $I=0$ quarkonium resonances decaying into pairs of heavy-light mesons using static-static-light-light potentials from lattice QCD. To this end, we solve a coupled channel Schr\"odinger equation with a confined quarkonium channel and channels with a heavy-light meson pair to compute phase shifts and $\mbox{T}$ matrix poles for the lightest decay channel. We discuss our results for $S$, $P$, $D$ and $F$ wave states in the context of corresponding experimental results, in particular for $\Upsilon(10753)$ and $\Upsilon(10860)$.
DOI: https://doi.org/10.22323/1.396.0349
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