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Study of the $B^-\to K^-\eta\eta_c$ decay due to the $D\bar{D}$ bound state
- Source :
- Phys. Rev. D \textbf{109} (2024) no.9, 094014
- Publication Year :
- 2023
-
Abstract
- We study the $B^- \to K^- \eta \eta_c$ decay by taking into account the $S$-wave contributions from the pseudoscalar meson-pseudoscalar meson interactions within the unitary coupled-channel approach, where the $D\bar{D}$ bound state is dynamically generated. In addition, the contribution from the intermediate resonance $K_0^*(1430)^-$, with $K_0^*(1430)^- \to K^-\eta$, is also considered. Our results show that there is a clear peak around $3720$~MeV in the $\eta \eta_c$ invariant mass distribution, which could be associated with the $D \bar{D}$ bound state. The future precise measurements of the $B^- \to K^- \eta \eta_c$ process at the Belle II and LHCb experiments could be, therefore, used to check the existence of the $D \bar{D}$ bound state, and to deepen our understanding of the hadron-hadron interactions.<br />Comment: 14 pages, 9 figures
- Subjects :
- High Energy Physics - Phenomenology
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D \textbf{109} (2024) no.9, 094014
- Publication Type :
- Report
- Accession number :
- edsarx.2307.04324
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.109.094014