| CMS Note | |
| Report number | CMS-CR-2024-149 |
| Title | Measurement of the CP properties and anomalous couplings of the Higgs boson with the CMS experiment |
| Author(s) | De Riggi, Federica (INFN, Rome ; Rome U.) |
| Publication | 2025 |
| Collaboration | CMS Collaboration |
| Imprint | 23 Jul 2024 |
| Number of pages | 6 |
| Published in: | Nuovo Cim. C 48 (2025) 82 |
| Presented at | 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024, pp.82 |
| DOI | 10.1393/ncc/i2025-25082-5 |
| Subject category | Detectors and Experimental Techniques |
| Accelerator/Facility, Experiment | CERN LHC ; CMS |
| Keywords | General |
| Abstract | In many beyond the Standard Model (BSM) theories, anomalous couplings of the Higgs boson with the W and Z vector bosons, or with fermions, are possible and can potentially violate CP symmetry. BSM couplings between the Higgs boson and the top quark, as well as with particles not yet observed, could generate CP violation in the interactions between the Higgs boson and gluons, the dominant process in production at the LHC. Studies of CP violation and anomalous couplings of the Higgs boson to vector bosons (HVV) and fermions (Hff) conducted by the CMS experiment, utilizing the complete Run 2 datasets, are presented. We focus on measurements where the Higgs boson is produced on-shell. The data corresponds to an integrated luminosity of 138 fb-1 at a proton-proton collision energy of 13 TeV. The kinematic distributions of the final states are sensitive to the quantum numbers of the Higgs boson's quantum numbers, and various production and decay channels are used for these studies. Matrix element techniques and multivariate algorithms are employed to identify the production mechanisms and enhance sensitivity to the Higgs boson's tensor structure in the interactions. |
| Other source | INSPIRE |
レコード 生成： 2024-09-02, 最終変更： 2025-06-30
