Strange pentaquarks with a hidden heavy quark-antiquark pair
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arXiv
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| Hauptverfasser: | , , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866916867267887104 |
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| author | Takeuchi, Sachiko Giachino, Alessandro Takizawa, Makoto Santopinto, Elena Oka, Makoto |
| author_facet | Takeuchi, Sachiko Giachino, Alessandro Takizawa, Makoto Santopinto, Elena Oka, Makoto |
| contents | The strange pentaquarks with hidden heavy quark pair ($q^3c\bar c$ and $q^3b \bar b$) are investigated by the coupled-channel quark cluster model. Two types of the $q^3$ color-octet configurations are found to provide the attraction, which makes bound states, sharp resonances, and cusps in the baryon meson scattering. A resonance appears at around 4500 MeV in the strange hidden charm sector. Such structures are more clearly seen in the hidden bottom systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_20751 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Strange pentaquarks with a hidden heavy quark-antiquark pair Takeuchi, Sachiko Giachino, Alessandro Takizawa, Makoto Santopinto, Elena Oka, Makoto High Energy Physics - Phenomenology The strange pentaquarks with hidden heavy quark pair ($q^3c\bar c$ and $q^3b \bar b$) are investigated by the coupled-channel quark cluster model. Two types of the $q^3$ color-octet configurations are found to provide the attraction, which makes bound states, sharp resonances, and cusps in the baryon meson scattering. A resonance appears at around 4500 MeV in the strange hidden charm sector. Such structures are more clearly seen in the hidden bottom systems. |
| title | Strange pentaquarks with a hidden heavy quark-antiquark pair |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2507.20751 |