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Measurements of Higgs boson production cross-sections in the H → τ+τ− decay channel in pp collisions at s√ = 13 TeV with the ATLAS detector
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The ATLAS collaboration (Including: Becker, K., Facini, G., Harrison, P. F., Jones, E., Martin, T. A., Morgenstern, S., Murray, W. J., Pollard, C. S., Roberts, B. A., Spangenberg, Martin and Vladimirov, V. E.). (2022) Measurements of Higgs boson production cross-sections in the H → τ+τ− decay channel in pp collisions at s√ = 13 TeV with the ATLAS detector. Journal of High Energy Physics, 2022 . 175. doi:10.1007/JHEP08(2022)175 ISSN 1029-8479.
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Official URL: https://doi.org/10.1007/JHEP08(2022)175
Abstract
Measurements of the production cross-sections of the Standard Model (SM) Higgs boson (H) decaying into a pair of τ-leptons are presented. The measurements use data collected with the ATLAS detector from pp collisions produced at the Large Hadron Collider at a centre-of-mass energy of s√ = 13 TeV, corresponding to an integrated luminosity of 139 fb−1. Leptonic (τ → ℓνℓντ) and hadronic (τ → hadrons ντ) decays of the τ-lepton are considered. All measurements account for the branching ratio of H → ττ and are performed with a requirement |yH| < 2.5, where yH is the true Higgs boson rapidity. The cross-section of the pp → H → ττ process is measured to be 2.94 ± 0.21(stat)+0.37−0.32(syst) pb, in agreement with the SM prediction of 3.17 ± 0.09 pb. Inclusive cross-sections are determined separately for the four dominant production modes: 2.65 ± 0.41(stat)+0.91−0.67(syst) pb for gluon-gluon fusion, 0.197 ± 0.028(stat)+0.032−0.026(syst) pb for vector-boson fusion, 0.115 ± 0.058(stat)+0.042−0.040(syst) pb for vector-boson associated production, and 0.033 ± 0.031(stat)+0.022−0.017(syst) pb for top-quark pair associated production. Measurements in exclusive regions of the phase space, using the simplified template cross-section framework, are also performed. All results are in agreement with the SM predictions.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Journal or Publication Title: | Journal of High Energy Physics | ||||||
| Publisher: | Springer | ||||||
| ISSN: | 1029-8479 | ||||||
| Official Date: | 18 August 2022 | ||||||
| Dates: |
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| Volume: | 2022 | ||||||
| Article Number: | 175 | ||||||
| DOI: | 10.1007/JHEP08(2022)175 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 13 October 2022 | ||||||
| Date of first compliant Open Access: | 13 October 2022 |
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