Constraints on Higgs boson properties using WW∗(→eνμν)jj production in 36.1fb−1 of √s=13 TeV pp collisions with the ATLAS detector
This article presents the results of two studies of Higgs boson properties using the $$WW^*(\rightarrow e\nu \mu \nu )jj$$final state, based on a dataset corresponding to $${36.1}{{\mathrm{fb}}^{-1}}$$of $$\sqrt{s}=13$$ TeV proton-proton collisions recorded by the ATLAS experiment at the Large Hadro...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
18 July 2022
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| In: |
The European physical journal. C, Particles and fields
Year: 2022, Jahrgang: 82, Heft: 7, Pages: 1-33 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-022-10366-1 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-022-10366-1
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| Verfasserangaben: | ATLAS Collaboration* |
MARC
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| 245 | 1 | 0 | |a Constraints on Higgs boson properties using WW∗(→eνμν)jj production in 36.1fb−1 of √s=13 TeV pp collisions with the ATLAS detector |c ATLAS Collaboration* |
| 246 | 3 | 3 | |a Constraints on Higgs boson properties using WW∗(→e ni mu ni) jj production in 36.1fb −1 of square root s = 13 TeV proton-proton collisions with the ATLAS detector |
| 264 | 1 | |c 18 July 2022 | |
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| 500 | |a *ATLAS Collaboration: G. Aad, V. Andrei, F. Bartels, M. Dunford, S. Franchino, M. Klassen, T. Mkrytchyan, F. Napolitano, P. Ott, D.F. Rassloff, H.-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, S.M. Weber, M. Wessels, X. Yue [und sehr viele weitere Personen] | ||
| 500 | |a Gesehen am 02.02.2023 | ||
| 520 | |a This article presents the results of two studies of Higgs boson properties using the $$WW^*(\rightarrow e\nu \mu \nu )jj$$final state, based on a dataset corresponding to $${36.1}{{\mathrm{fb}}^{-1}}$$of $$\sqrt{s}=13$$ TeV proton-proton collisions recorded by the ATLAS experiment at the Large Hadron Collider. The first study targets Higgs boson production via gluon-gluon fusion and constrains the CP properties of the effective Higgs-gluon interaction. Using angular distributions and the overall rate, a value of $$\tan (\alpha ) = 0.0 \pm 0.4 (\mathrm {stat.}) \pm 0.3 (\mathrm {syst.})$$is obtained for the tangent of the mixing angle for CP-even and CP-odd contributions. The second study exploits the vector-boson fusion production mechanism to probe the Higgs boson couplings to longitudinally and transversely polarised W and Z bosons in both the production and the decay of the Higgs boson; these couplings have not been directly constrained previously. The polarisation-dependent coupling-strength scale factors are defined as the ratios of the measured polarisation-dependent coupling strengths to those predicted by the Standard Model, and are determined using rate and kinematic information to be $$a_\mathrm {L}=0.91^{+0.10}_{-0.18}$$(stat.)$$^{+0.09}_{-0.17}$$(syst.) and $$a_{\mathrm {T}}=1.2 \pm 0.4 $$(stat.)$$ ^{+0.2}_{-0.3} $$(syst.). These coupling strengths are translated into pseudo-observables, resulting in $$\kappa _{VV}= 0.91^{+0.10}_{-0.18}$$(stat.)$$^{+0.09}_{-0.17}$$(syst.) and $$\epsilon _{VV} =0.13^{+0.28}_{-0.20}$$(stat.)$$^{+0.08}_{-0.10}$$(syst.). All results are consistent with the Standard Model predictions. | ||
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