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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2502.06003 |
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| _version_ | 1866929706398384128 |
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| author | Ferah, Semra Sari Ozpineci, Altug |
| author_facet | Ferah, Semra Sari Ozpineci, Altug |
| contents | In this work, $T_{cc}$ double charm tetraquark and $1^{+}$ and $0^{+}$ hidden charm tetraquarks are studied within the QCD sum rules framework. In the heavy-quark limit, the $1^+$ and $0^+$ tetraquarks are degenerate and the difference in their masses is an $1/m_c$ effect. It is shown that, although the uncertainty in the mass predictions of each of these hadrons is ${\cal O}(100\;\mathrm{MeV})$, when the mass differences are studied, the uncertainty is reduced to less than ${\cal O}(10\;\mathrm{MeV})$. Hence, it is concluded that if one of the exotic hadrons is observed and its mass is used as input, the masses of the other hadrons can be determined with a precision of ${\cal O}(10\;\mathrm{MeV})$ using the QCD sum rules method. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_06003 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | $T_{cc}$ and Hidden Charm Tetraquarks $1^+$ and $0^+$in QCD sum rules and Heavy-Quark Spin Symmetry Ferah, Semra Sari Ozpineci, Altug High Energy Physics - Phenomenology In this work, $T_{cc}$ double charm tetraquark and $1^{+}$ and $0^{+}$ hidden charm tetraquarks are studied within the QCD sum rules framework. In the heavy-quark limit, the $1^+$ and $0^+$ tetraquarks are degenerate and the difference in their masses is an $1/m_c$ effect. It is shown that, although the uncertainty in the mass predictions of each of these hadrons is ${\cal O}(100\;\mathrm{MeV})$, when the mass differences are studied, the uncertainty is reduced to less than ${\cal O}(10\;\mathrm{MeV})$. Hence, it is concluded that if one of the exotic hadrons is observed and its mass is used as input, the masses of the other hadrons can be determined with a precision of ${\cal O}(10\;\mathrm{MeV})$ using the QCD sum rules method. |
| title | $T_{cc}$ and Hidden Charm Tetraquarks $1^+$ and $0^+$in QCD sum rules and Heavy-Quark Spin Symmetry |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2502.06003 |