Author

C. Hanhart

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Preprint Oct 2026

Born-Oppenheimer chiral effective field theory and its application to $X_b$

Following the discovery of the exotic state $X(3872)$ in the charmonium spectrum, the possible existence of an analogous state, $X_b$, in the bottomonium sector has attracted considerable attention of the hadronic physics community. In this work, we lay the ground for the development of Born-Oppenheimer chiral effectiv...

Yu Zhang, Feng-Kun Guo, C. Hanhart et al. · 0 citations

Preprint Jul 2026

A dispersive method to study CP asymmetries in hadronic multi-body $B$ decays

We present the details of a dispersive method to construct the amplitudes for hadronic multibody $B$ decays based on the universality of pairwise hadronic final-state interactions at low invariant masses. This approach allows us to split the amplitude into source terms controlled by phenomenological parameters and fina...

L. Heuser, A. Reyes-Torrecilla, C. Hanhart et al. · 3 citations