Measurement of the associated production of a top-antitop-quark pair and a Higgs boson decaying into a bb‾ pair in pp collisions at √s = 13 TeV using the ATLAS detector at the LHC
Date
2025
Authors
Aad, G.
Aakvaag, E.
Abbott, B.
Abdelhameed, S.
Abeling, K.
Abicht, N.J.
Abidi, S.H.
Aboelela, M.
Aboulhorma, A.
Abramowicz, H.
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Journal article
Citation
European Physical Journal C, 2025; 85(2):210-1-210-40
Statement of Responsibility
ATLAS Collaboration
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Abstract
This paper reports the measurement of Higgs boson production in association with a tt‾ pair in the H → bb‾ decay channel. The analysis uses 140 fb⁻¹ of 13 TeV proton– proton collision data collected with the ATLAS detector at the Large Hadron Collider. The final states with one or two electrons or muons are employed. An excess of events over the expected background is found with an observed (expected) significance of 4.6 (5.4) standard deviations...
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© CERN for the benefit of the ATLAS Collaboration 2025. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License,which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecomm ons.org/licenses/by/4.0/. Funded by SCOAP3.