Revisiting charmonium hybrid spectroscopy
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866914332739108864 |
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| author | Qian, Ri-Qing Chen, Bing Liu, Xiang |
| author_facet | Qian, Ri-Qing Chen, Bing Liu, Xiang |
| contents | Hadrons with explicit gluonic degrees of freedom, such as charmonium hybrids, are key to understanding nonperturbative behavior of strong interaction, yet they remain experimentally elusive. Within a constituent gluon model treating the hybrid as a $c\bar{c}g$ three-body system with a transverse electric gluon, we predict the masses of the lightest hybrid multiplet ($J^{PC}=1^{--}, 0^{-+}, 1^{-+}, 2^{-+}$) to lie in the range $4.19$--$4.32$ GeV. By analyzing their decay patterns, we provide specific, experimentally testable signatures to guide the search for these exotic states at current and future facilities. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_14766 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Revisiting charmonium hybrid spectroscopy Qian, Ri-Qing Chen, Bing Liu, Xiang High Energy Physics - Phenomenology Hadrons with explicit gluonic degrees of freedom, such as charmonium hybrids, are key to understanding nonperturbative behavior of strong interaction, yet they remain experimentally elusive. Within a constituent gluon model treating the hybrid as a $c\bar{c}g$ three-body system with a transverse electric gluon, we predict the masses of the lightest hybrid multiplet ($J^{PC}=1^{--}, 0^{-+}, 1^{-+}, 2^{-+}$) to lie in the range $4.19$--$4.32$ GeV. By analyzing their decay patterns, we provide specific, experimentally testable signatures to guide the search for these exotic states at current and future facilities. |
| title | Revisiting charmonium hybrid spectroscopy |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2602.14766 |