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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2508.18496 |
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| _version_ | 1866918130568134656 |
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| author | Kara, S. O. |
| author_facet | Kara, S. O. |
| contents | We study the discovery prospects of the leptophilic photon Z\_l, a hypothetical gauge boson beyond the Standard Model, at future electron-positron colliders. Our analysis is based on the process e+e- -> mu+mu- and consistently includes realistic effects such as initial state radiation and beamstrahlung. Using the benchmark parameters of FCC-ee, CEPC, ILC, and CLIC, we demonstrate the complementarity of circular and linear colliders: circular machines achieve excellent sensitivity to very small couplings, down to g\_l ~ 10^{-4}, while high-energy linear colliders extend the search reach into the TeV domain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_18496 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Searching for the Leptophilic Gauge Boson Z$_{l}$ at Future $e^{+}e^{-}$ Colliders Kara, S. O. High Energy Physics - Phenomenology We study the discovery prospects of the leptophilic photon Z\_l, a hypothetical gauge boson beyond the Standard Model, at future electron-positron colliders. Our analysis is based on the process e+e- -> mu+mu- and consistently includes realistic effects such as initial state radiation and beamstrahlung. Using the benchmark parameters of FCC-ee, CEPC, ILC, and CLIC, we demonstrate the complementarity of circular and linear colliders: circular machines achieve excellent sensitivity to very small couplings, down to g\_l ~ 10^{-4}, while high-energy linear colliders extend the search reach into the TeV domain. |
| title | Searching for the Leptophilic Gauge Boson Z$_{l}$ at Future $e^{+}e^{-}$ Colliders |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2508.18496 |