Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at √s = 13 TeV using the ATLAS detector
A search for flavour-changing neutral interactions involving the top quark, the Higgs boson and an up-type quark q (q = c, u) is presented. The proton-proton collision data set used, with an integrated luminosity of 139 fb−1, was collected at $$ \sqrt{s} $$= 13 TeV by the ATLAS experiment at the Lar...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
28. Dezember 2023
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| In: |
Journal of high energy physics
Year: 2023, Pages: 1-53 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP12(2023)195 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP12(2023)195
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| Verfasserangaben: | The ATLAS collaboration* |
MARC
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| 245 | 1 | 0 | |a Search for flavour-changing neutral tqH interactions with H → γγ in pp collisions at √s = 13 TeV using the ATLAS detector |c The ATLAS collaboration* |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Search for flavour-changing neutral tqH interactions with H → gamma gamma in proton-proton collisions at square root s = 13 TeV using the ATLAS detector |
| 264 | 1 | |c 28. Dezember 2023 | |
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| 500 | |a *The ATLAS collaboration: G. Aad, L.M. Baltes, F. Bartels, M.M. Czurylo, F. Del Rio, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und sehr viele weitere Personen] | ||
| 500 | |a Gesehen am 08.08.2024 | ||
| 500 | |a Im Titel steht der Buchstabe s unter dem Wurzelsymbol | ||
| 520 | |a A search for flavour-changing neutral interactions involving the top quark, the Higgs boson and an up-type quark q (q = c, u) is presented. The proton-proton collision data set used, with an integrated luminosity of 139 fb−1, was collected at $$ \sqrt{s} $$= 13 TeV by the ATLAS experiment at the Large Hadron Collider. Both the decay process t → qH in $$ t\overline{t} $$production and the production process pp → tH, with the Higgs boson decaying into two photons, are investigated. No significant excess is observed and upper limits are set on the t → cH and the t → uH branching ratios of 4.3 × 10−4 and 3.8 × 10−4, respectively, at the 95% confidence level, while the expected limits in the absence of signal are 4.7 × 10−4 and 3.9 × 10−4. Combining this search with ATLAS searches in the H → τ+τ− and H → $$ b\overline{b} $$final states yields observed (expected) upper limits on the t → cH branching ratio of 5.8 × 10−4 (3.0 × 10−4) at the 95% confidence level. The corresponding observed (expected) upper limit on the t → uH branching ratio is 4.0 × 10−4 (2.4 × 10−4). | ||
| 650 | 4 | |a Flavour Changing Neutral Currents | |
| 650 | 4 | |a Hadron-Hadron Scattering | |
| 650 | 4 | |a Higgs Physics | |
| 650 | 4 | |a Top Physics | |
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