V-Associated Production & Vector Boson Fusion as an LHC Signature of CP Violation
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917038248689664 |
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| author | Capucha, Rodrigo Lozano-Onrubia, Álvaro Merlo, Luca No, José Miguel Santos, Rui |
| author_facet | Capucha, Rodrigo Lozano-Onrubia, Álvaro Merlo, Luca No, José Miguel Santos, Rui |
| contents | We investigate the role of vector boson fusion (VBF) and associated production with an electroweak boson (V-AP) of beyond-the-Standard-Model Higgses at the LHC in probing CP violation in extended Higgs sectors. Resonant production of a new Higgs boson through V-AP/VBF subsequently decaying into a Z boson and a 125 GeV Higgs boson h would be a robust sign of CP violation, since h has been measured to be (predominantly) a CP-even state. After identifying this and other sets of signatures which rely on V-AP/VBF to jointly uncover CP violation, we analyze the prospects to measure CP violation in this way for the complex two-Higgs-doublet-model at the High-Luminosity LHC. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_05942 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | V-Associated Production & Vector Boson Fusion as an LHC Signature of CP Violation Capucha, Rodrigo Lozano-Onrubia, Álvaro Merlo, Luca No, José Miguel Santos, Rui High Energy Physics - Phenomenology We investigate the role of vector boson fusion (VBF) and associated production with an electroweak boson (V-AP) of beyond-the-Standard-Model Higgses at the LHC in probing CP violation in extended Higgs sectors. Resonant production of a new Higgs boson through V-AP/VBF subsequently decaying into a Z boson and a 125 GeV Higgs boson h would be a robust sign of CP violation, since h has been measured to be (predominantly) a CP-even state. After identifying this and other sets of signatures which rely on V-AP/VBF to jointly uncover CP violation, we analyze the prospects to measure CP violation in this way for the complex two-Higgs-doublet-model at the High-Luminosity LHC. |
| title | V-Associated Production & Vector Boson Fusion as an LHC Signature of CP Violation |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2507.05942 |