Investigations on heavy quarkonium hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918316797329408 |
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| author | Wang, Qi-Nan Lian, Ding-Kun Chen, Hua-Xing Chen, Wei |
| author_facet | Wang, Qi-Nan Lian, Ding-Kun Chen, Hua-Xing Chen, Wei |
| contents | We investigate the heavy quarkonium hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$ via QCD sum rule method. We construct the currents with three Lorentz indices and calculate the correlation functions up to dimension six at the leading order of $α_{s}$. The states with $J^{PC}=2^{+-}$ are extracted by constructing the corresponding projection operators. The obtained results indicate that the masses of $2^{+-}$ $\bar{c}Gc$ and $\bar{b}Gb$ hybrid states are about $4.49~\mathrm{GeV}$ and $10.48~\mathrm{GeV}$, respectively. We suggest to search for $\bar{c}Gc$ hybrid meson with $J^{PC}=2^{+-}$ in $J/ψf_{0,1,2}$ and $χ_{c0,1,2} ω$ final states. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_19165 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Investigations on heavy quarkonium hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$ Wang, Qi-Nan Lian, Ding-Kun Chen, Hua-Xing Chen, Wei High Energy Physics - Phenomenology We investigate the heavy quarkonium hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$ via QCD sum rule method. We construct the currents with three Lorentz indices and calculate the correlation functions up to dimension six at the leading order of $α_{s}$. The states with $J^{PC}=2^{+-}$ are extracted by constructing the corresponding projection operators. The obtained results indicate that the masses of $2^{+-}$ $\bar{c}Gc$ and $\bar{b}Gb$ hybrid states are about $4.49~\mathrm{GeV}$ and $10.48~\mathrm{GeV}$, respectively. We suggest to search for $\bar{c}Gc$ hybrid meson with $J^{PC}=2^{+-}$ in $J/ψf_{0,1,2}$ and $χ_{c0,1,2} ω$ final states. |
| title | Investigations on heavy quarkonium hybrid mesons with exotic quantum numbers $J^{PC}=2^{+-}$ |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.19165 |