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| Format: | Preprint |
| Veröffentlicht: |
2024
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| Online-Zugang: | https://arxiv.org/abs/2412.02997 |
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| _version_ | 1866915065126453248 |
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| author | Yang, Zi-Yan Wang, Qian Chen, Wei |
| author_facet | Yang, Zi-Yan Wang, Qian Chen, Wei |
| contents | The observation of $X_0(2900)$ in $B^+\rightarrow D^+D^-K^+$ decay process indicates the existence of open flavor tetraquark states. We study the production and decay of $X_0(2900)$ state with final state interaction mechanism, where we calculate the strong vertices such as $g_{\bar{D}KX_0}$, $g_{\bar{D}^\ast K^\ast X_0}$, $g_{D_s^{\ast}\bar{D}K}$ and $g_{D_{s1}\bar{D} K^\ast}$ in the framework of QCD sum rules method. We find that for the interpretation of the $\bar{D}^\ast K^\ast$ molecule of $X_0(2900)$, the branching fraction of the production process and the decay width are consistent with the experimental results, indicating that the observed $X_0(2900)$ could be interpreted as the $\bar{D}^\ast K^\ast$ molecule. However, we cannot exclude the possibility of a compact tetraquark interpretation within the uncertainty. Further experimental and theoretical efforts should be made to fully understand the nature of the $X_0(2900)$ state. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_02997 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The production and decay of $X_0(2900)$ state with different interpretation Yang, Zi-Yan Wang, Qian Chen, Wei High Energy Physics - Phenomenology The observation of $X_0(2900)$ in $B^+\rightarrow D^+D^-K^+$ decay process indicates the existence of open flavor tetraquark states. We study the production and decay of $X_0(2900)$ state with final state interaction mechanism, where we calculate the strong vertices such as $g_{\bar{D}KX_0}$, $g_{\bar{D}^\ast K^\ast X_0}$, $g_{D_s^{\ast}\bar{D}K}$ and $g_{D_{s1}\bar{D} K^\ast}$ in the framework of QCD sum rules method. We find that for the interpretation of the $\bar{D}^\ast K^\ast$ molecule of $X_0(2900)$, the branching fraction of the production process and the decay width are consistent with the experimental results, indicating that the observed $X_0(2900)$ could be interpreted as the $\bar{D}^\ast K^\ast$ molecule. However, we cannot exclude the possibility of a compact tetraquark interpretation within the uncertainty. Further experimental and theoretical efforts should be made to fully understand the nature of the $X_0(2900)$ state. |
| title | The production and decay of $X_0(2900)$ state with different interpretation |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2412.02997 |