Hybrid hadrons at rest and on the light front
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866915967731236864 |
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| author | Shuryak, Edward Zahed, Ismail |
| author_facet | Shuryak, Edward Zahed, Ismail |
| contents | We present a unified description of heavy hybrid hadrons based on a constituent-gluon picture embedded in the Born-Oppenheimer (BO) framework. In this approach, the gluonic excitation is treated as a dynamical quasiparticle with a mass generated by instanton-induced interactions. We propose a simple variational derivation of the BO potentials. The main focus of the paper is the derivation of light-front wave functions for hybrid systems, specifically for the $ccg$ and $qqqg$ cases. We employ both variational methods and numerical solutions of the Schrödinger equation in momentum representation. Using the resulting wave functions, we compute the gluon PDFs for these systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_26708 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Hybrid hadrons at rest and on the light front Shuryak, Edward Zahed, Ismail High Energy Physics - Phenomenology We present a unified description of heavy hybrid hadrons based on a constituent-gluon picture embedded in the Born-Oppenheimer (BO) framework. In this approach, the gluonic excitation is treated as a dynamical quasiparticle with a mass generated by instanton-induced interactions. We propose a simple variational derivation of the BO potentials. The main focus of the paper is the derivation of light-front wave functions for hybrid systems, specifically for the $ccg$ and $qqqg$ cases. We employ both variational methods and numerical solutions of the Schrödinger equation in momentum representation. Using the resulting wave functions, we compute the gluon PDFs for these systems. |
| title | Hybrid hadrons at rest and on the light front |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.26708 |