Article detail · 2024
Search for the nonresonant production of Higgs boson pairs via gluon fusion and vector-boson fusion in the b(b)over-barτ+τ- final state in proton-proton collisions at √s=13 TeV with the ATLAS detector
- Year
- 2024
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- article
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- YÖKSİS venue PHYSICAL REVIEW D
- Catalog match (ISSN) Physical Review D
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Abstract
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A search for the nonresonant production of Higgs boson pairs in the H H → b b ¯ τ + τ − channel is performed using 140 fb − 1 of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. The analysis strategy is optimized to probe anomalous values of the Higgs boson self-coupling modifier κ λ and of the quartic H H V V ( V = W , Z ) coupling modifier κ 2 V . No significant excess above the expected background from Standard Model processes is observed. An observed (expected) upper limit μ H H < 5.9 ( 3.3 ) is set at 95% confidence-level on the Higgs boson pair production cross section normalized to its Standard Model prediction. The coupling modifiers are constrained to an observed (expected) 95% confidence interval of − 3.1 < κ λ < 9.0 ( − 2.5 < κ λ < 9.3 ) and − 0.5 < κ 2 V < 2.7 ( − 0.2 < κ 2 V < 2.4 ), assuming all other Higgs boson couplings are fixed to the Standard Model prediction. The results are also interpreted in the context of effective field theories via constraints on anomalous Higgs boson couplings and Higgs boson pair production cross sections assuming different kinematic benchmark scenarios. © 2024 CERN, for the ATLAS Collaboration 2024 CERN
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14 citations
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6 publications in the local catalog that cite this work (OpenAlex reference match; not the full global list).
- Combination of Searches for Higgs Boson Pair Production in pp Collisions at s=13 TeV with the ATLAS Detector 2024
- Combination of Searches for Higgs Boson Pair Production in pp Collisions at s=13 TeV with the ATLAS Detector 2024
- Search for the Zy decay mode of new high-mass resonances in pp collisions √ at s=13 TeV with the ATLAS detector 2024
- Configuration, Performance, and Commissioning of the ATLAS b-jet Triggers for the 2022 and 2023 LHC data-taking periods 2025
- Configuration, Performance, and Commissioning of the ATLAS b-jet Triggers for the 2022 and 2023 LHC data-taking periods 2025
- Flavoring the production of Higgs boson pairs 2025