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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/2512.20526 |
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| _version_ | 1866911335458013184 |
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| author | Wang, Xiao-Peng Li, Yi-Jie Xu, Guang-Zhi Liu, Kui-Yong |
| author_facet | Wang, Xiao-Peng Li, Yi-Jie Xu, Guang-Zhi Liu, Kui-Yong |
| contents | Within the framework of nonrelativistic QCD (NRQCD) factorization, we investigate the relativistic corrections to the production of double $B_c$ mesons in $e^+e^-$ annihilation. The study covers center-of-mass energies from the production threshold up to $2m_Z$, considering both the photon and $Z^0$-boson propagated processes. We find that the relativistic corrections are significant, with the corresponding $K$ factors of approximately 0.6. The azimuthal asymmetry, angular distribution, and transverse momentum distribution are also presented. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_20526 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Relativistic corrections to double $B_c$ meson production in $e^+e^-$ annihilation Wang, Xiao-Peng Li, Yi-Jie Xu, Guang-Zhi Liu, Kui-Yong High Energy Physics - Phenomenology Within the framework of nonrelativistic QCD (NRQCD) factorization, we investigate the relativistic corrections to the production of double $B_c$ mesons in $e^+e^-$ annihilation. The study covers center-of-mass energies from the production threshold up to $2m_Z$, considering both the photon and $Z^0$-boson propagated processes. We find that the relativistic corrections are significant, with the corresponding $K$ factors of approximately 0.6. The azimuthal asymmetry, angular distribution, and transverse momentum distribution are also presented. |
| title | Relativistic corrections to double $B_c$ meson production in $e^+e^-$ annihilation |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2512.20526 |