2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/211449In this article, we study the final-state rescattering effects in the decays $B^0\to χ_{c0}K^{*0}$ and $B^+ \to χ_{c0}K^{*+}$, and observe the corrections are zero in the SU(3) limit, which is warranted by the heavy quark symmetry. It is difficult to accommodate the experimental data without fine-tuning.8 pages, 1 figure, revised versionHigh Energy Physics - Phenomenologytext