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Author  |
ATLAS Collaboration (Aad, G. et al); Ahuja, S.; Aikot, A.; Cabrera Urban, S.; Cantero, J.; Carrion Martinez, C.; Castillo Gimenez, V.; Chitishvili, M.; Costa, M.J.; Curcio, F.; Didenko, M.; Escobar, C.; Fiorini, L.; Fuster, J.; Garcia, C.; Garcia Navarro, J.E.; Gonzalez de la Hoz, S.; Hofer, J.; Jimenez Ortega, M.; Lacasta, C.; Lanzac Berrocal, M.; Marti-Garcia, S.; Martinez Agullo, P.; Melini, D.; Mitsou, V.A.; Monsonis Romero, L.; Moreno Llacer, M.; Munoz Perez, D.; Poveda, J.; Rubio Jimenez, A.; Ruiz-Martinez, A.; Salt, J.; Sanchez Sebastian, V.; Soldevila, U.; Sanchez, J.; Taylor Vara, R.J.; Torres Reoyo, E.; Torro Pastor, E.; Valero, A.; Valiente Moreno, E.; Valls Ferrer, J.A.; Varriale, L.; Villaplana Perez, M.; Vincent, M.; Vos, M.; Wandall-Christensen, K.; Zakareishvili, T. |
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Title |
Combination of Measurements of CP Properties of Higgs Boson Interactions with Vector Bosons Using Proton-Proton Collisions at √s=13 TeV with the ATLAS Detector |
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Journal Article |
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Year |
2026 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
137 |
Issue |
2 |
Pages |
021801 - 22pp |
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Abstract |
A combination of measurements of the CP properties of Higgs boson interactions with electroweak gauge bosons is presented, using 140 fb(-1) of proton-proton collisions at root s = 13 TeV recorded by the ATLAS detector. Results from vector boson fusion H -> tau tau/WW*/gamma gamma, inclusive H -> ZZ*, and WH, H -> b (b) over bar channels are combined. No evidence of CP violation is observed, and constrains on the CP-violating operators in the Standard Model effective field theory framework (SMEFT) are set in theWarsaw basis. The results from the combination improve by over 40% on previous individual limits on c(H<(W)over tilde) and, for the first time, simultaneous constraints on three coefficients c(H<(W)over tilde>), c(H<(B)over tilde), and c(H<(W)over tildeB) are set. These limits are the most stringent constraints to date on the relevant Wilson coefficients in the SMEFT framework with minimum model dependence. |
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Address |
[Alley, C. S.; Desai, A. M.; Fewell, M. P.; Gallagher, J.; Grant, C. M.; Green, M. J.; Jackson, P.; Kong, A. X. Y.; Kull, J.; Gregorio, R. R. Marcelo; Oliver, J. L.; Pandya, H. D.; Purnell, H. I.; Ruggeri, T. A.; Saha, S.; Ting, E. X. L.; White, M. J.] Univ Adelaide, Dept Phys, Adelaide, SA, Australia |
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Publisher |
Amer Physical Soc |
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Language |
English |
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Original Title |
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Series Volume |
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ISSN |
0031-9007 |
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Notes |
WOS:001838038200001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7432 |
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