The Cabibbo-favored hadronic weak decays of the $Ξ_c$ in the quark model
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866912222221959168 |
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| author | Niu, Peng-Yu Wang, Qian Zhao, Qiang |
| author_facet | Niu, Peng-Yu Wang, Qian Zhao, Qiang |
| contents | The Cabibbo-favored hadronic weak decay of the $Ξ_c^+\to Ξ^0π^+$, $Ξ_c^0\to Ξ^-π^+$, $Ξ_c^0\to Ξ^0π^0$, $Ξ_c^0\to Ξ^0η^{(')}$ and $Ξ_c^0\to Ξ^+K^-$ are studied in the non-relativistic constituent quark model. By analyzing their decay mechanisms at the quark level we show that the pole terms are essential for understanding the transition dynamics in addition to the usually considered direct meson emission process and color suppressed process in the charmed baryon hadronic weak decays. The experimentally measurable asymmetry parameters are also predicted in order to further pin down the decay mechanism. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_04099 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Cabibbo-favored hadronic weak decays of the $Ξ_c$ in the quark model Niu, Peng-Yu Wang, Qian Zhao, Qiang High Energy Physics - Phenomenology The Cabibbo-favored hadronic weak decay of the $Ξ_c^+\to Ξ^0π^+$, $Ξ_c^0\to Ξ^-π^+$, $Ξ_c^0\to Ξ^0π^0$, $Ξ_c^0\to Ξ^0η^{(')}$ and $Ξ_c^0\to Ξ^+K^-$ are studied in the non-relativistic constituent quark model. By analyzing their decay mechanisms at the quark level we show that the pole terms are essential for understanding the transition dynamics in addition to the usually considered direct meson emission process and color suppressed process in the charmed baryon hadronic weak decays. The experimentally measurable asymmetry parameters are also predicted in order to further pin down the decay mechanism. |
| title | The Cabibbo-favored hadronic weak decays of the $Ξ_c$ in the quark model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2502.04099 |