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



Aad, G, Abbott, B, Abbott, DC, Abed Abud, A ORCID: 0000-0002-2788-3822, Abeling, K, Abhayasinghe, DK, Abidi, SH, Aboulhorma, A, Abramowicz, H, Abreu, H
et al (show 90 more authors) (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 (8). 175-. ISSN 1029-8479, 1029-8479

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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<sup>−1</sup>. Leptonic (τ → ℓν<inf>ℓ</inf>ν<inf>τ</inf>) and hadronic (τ → hadrons ν<inf>τ</inf>) decays of the τ-lepton are considered. All measurements account for the branching ratio of H → ττ and are performed with a requirement |y<inf>H</inf>| < 2.5, where y<inf>H</inf> is the true Higgs boson rapidity. The cross-section of the pp → H → ττ process is measured to be 2.94 ±0.21(stat)−0.32+0.37(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)−0.67+0.91(syst) pb for gluon-gluon fusion, 0.197 ±0.028(stat)−0.026+0.032(syst) pb for vector-boson fusion, 0.115 ±0.058(stat)−0.040+0.042(syst) pb for vector-boson associated production, and 0.033 ±0.031(stat)−0.017+0.022(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. [Figure not available: see fulltext.]

Item Type: Article
Uncontrolled Keywords: Hadron-Hadron Scattering, Higgs Physics, Tau Physics
Divisions: Faculty of Science & Engineering > School of Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 12 Sep 2022 09:16
Last Modified: 22 Jan 2026 08:34
DOI: 10.1007/JHEP08(2022)175
Open Access URL: https://link.springer.com/article/10.1007/JHEP08(2...
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3164244
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