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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| Schlagworte: | |
| Online-Zugang: | https://arxiv.org/abs/2307.04324 |
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| _version_ | 1866913350649118720 |
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| author | Li, Xin-Qiang Liu, Li-Juan Wang, En Wei, Le-Le |
| author_facet | Li, Xin-Qiang Liu, Li-Juan Wang, En Wei, Le-Le |
| contents | We study the $B^- \to K^- ηη_c$ 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 $K_0^*(1430)^- \to K^-η$, is also considered. Our results show that there is a clear peak around $3720$~MeV in the $ηη_c$ invariant mass distribution, which could be associated with the $D \bar{D}$ bound state. The future precise measurements of the $B^- \to K^- ηη_c$ 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2307_04324 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Study of the $B^-\to K^-ηη_c$ decay due to the $D\bar{D}$ bound state Li, Xin-Qiang Liu, Li-Juan Wang, En Wei, Le-Le High Energy Physics - Phenomenology We study the $B^- \to K^- ηη_c$ 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 $K_0^*(1430)^- \to K^-η$, is also considered. Our results show that there is a clear peak around $3720$~MeV in the $ηη_c$ invariant mass distribution, which could be associated with the $D \bar{D}$ bound state. The future precise measurements of the $B^- \to K^- ηη_c$ 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. |
| title | Study of the $B^-\to K^-ηη_c$ decay due to the $D\bar{D}$ bound state |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2307.04324 |