$Ω_c$ baryon spectrum and strong decays in a constituent quark model
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915161133023232 |
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| author | Zhong, Hui-Hua Liu, Ming-Sheng Xiao, Li-Ye Wang, Kai-Lei Qi-Li Zhong, Xian-Hui |
| author_facet | Zhong, Hui-Hua Liu, Ming-Sheng Xiao, Li-Ye Wang, Kai-Lei Qi-Li Zhong, Xian-Hui |
| contents | In this work, we study the masses of the $1S$-, $1P$-, $1D$-, $2S$-, and $2P$-wave $Ω_c$ baryon states within a semi-relativistic constituent quark potential model. Furthermore, the strong decay properties for the excited $Ω_c$ states are evaluated by using the masses and wave functions obtained from the potential model. In a unified framework, we provide a reasonable explanation of both the masses and widths for the newly observed $Ω_c$ resonances $Ω_c(3000)$, $Ω_c(3050)$, $Ω_c(3065)$, $Ω_c(3090)$, $Ω_c(3120)$, $Ω_c(3185)$, and $Ω_c(3327)$. Based on the obtained decay properties and mass spectrum, we further suggest optimal channels and mass regions to find the missing $Ω_c$ resonances. We expect our study can provide a useful reference for establishing the $Ω_c$ spectrum. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_13741 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | $Ω_c$ baryon spectrum and strong decays in a constituent quark model Zhong, Hui-Hua Liu, Ming-Sheng Xiao, Li-Ye Wang, Kai-Lei Qi-Li Zhong, Xian-Hui High Energy Physics - Phenomenology In this work, we study the masses of the $1S$-, $1P$-, $1D$-, $2S$-, and $2P$-wave $Ω_c$ baryon states within a semi-relativistic constituent quark potential model. Furthermore, the strong decay properties for the excited $Ω_c$ states are evaluated by using the masses and wave functions obtained from the potential model. In a unified framework, we provide a reasonable explanation of both the masses and widths for the newly observed $Ω_c$ resonances $Ω_c(3000)$, $Ω_c(3050)$, $Ω_c(3065)$, $Ω_c(3090)$, $Ω_c(3120)$, $Ω_c(3185)$, and $Ω_c(3327)$. Based on the obtained decay properties and mass spectrum, we further suggest optimal channels and mass regions to find the missing $Ω_c$ resonances. We expect our study can provide a useful reference for establishing the $Ω_c$ spectrum. |
| title | $Ω_c$ baryon spectrum and strong decays in a constituent quark model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2502.13741 |