Differential cross-section measurements of Higgs boson production in the H → τ+τ− decay channel in pp collisions at = 13 TeV with the ATLAS detector

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Experimental Particle Physics

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https://doi.org/10.1007/jhep03(2025)010
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Available under license: CC BY: Creative Commons Attribution 4.0 International License

Keywords

Unfolding, Higgs Physics, Hadron-Hadron Scattering

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Differential cross-section measurements of Higgs boson production in the H → τ+τ− decay channel in pp collisions at = 13 TeV with the ATLAS detector. / The ATLAS collaboration.
In: Journal of High Energy Physics, Vol. 2025, No. 3, 10, 04.03.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{c2c152c05e1f4573a0975f19770e1cf0,

title = "Differential cross-section measurements of Higgs boson production in the H → τ+τ− decay channel in pp collisions at = 13 TeV with the ATLAS detector",

abstract = "Differential measurements of Higgs boson production in the {\"I}„-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), VH and tt{\^A}¯H associated production modes, with particular focus on the VBF production mode. The data used to perform the measurements correspond to 140 fb{\^a}ˆ{\textquoteright}1 of proton-proton collisions collected by the ATLAS experiment at the LHC. Two methods are used to perform the measurements: the Simplified Template Cross-Section (STXS) approach and an Unfolded Fiducial Differential measurement considering only the VBF phase space. For the STXS measurement, events are categorized by their production mode and kinematic properties such as the Higgs boson{\^a}€{\texttrademark}s transverse momentum (pTH), the number of jets produced in association with the Higgs boson, or the invariant mass of the two leading jets (mjj). For the VBF production mode, the ratio of the measured cross-section to the Standard Model prediction for mjj > 1.5 TeV and pTH > 200 GeV (pTH < 200 GeV) is 1.29{\^a}ˆ{\textquoteright}0.34+0.39 (0.12{\^a}ˆ{\textquoteright}0.33+0.34). This is the first VBF measurement for the higher-pTH criteria, and the most precise for the lower-pTH criteria. The fiducial cross-section measurements, which only consider the kinematic properties of the event, are performed as functions of variables characterizing the VBF topology, such as the signed {\^a}ˆ†{\"I}•jj between the two leading jets. The measurements have a precision of 30%{\^a}€“50% and agree well with the Standard Model predictions. These results are interpreted in the SMEFT framework, and place the strongest constraints to date on the CP-odd Wilson coefficient cHW~.",

keywords = "Unfolding, Higgs Physics, Hadron-Hadron Scattering",

author = "{The ATLAS collaboration} and Hanadi Ali and Zainab Alsolami and A.E. Barton and G. Borissov and E.V. Bouhova-Thacker and Ruby Ferguson and James Ferrando and H. Fox and Alina Hagan and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and Elliot Sampson and M. Smizanska and A.M. Wharton",

year = "2025",

month = mar,

day = "4",

doi = "10.1007/jhep03(2025)010",

language = "English",

volume = "2025",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer-Verlag",

number = "3",

}

RIS

TY - JOUR

T1 - Differential cross-section measurements of Higgs boson production in the H → τ+τ− decay channel in pp collisions at = 13 TeV with the ATLAS detector

AU - The ATLAS collaboration

AU - Ali, Hanadi

AU - Alsolami, Zainab

AU - Barton, A.E.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, Ruby

AU - Ferrando, James

AU - Fox, H.

AU - Hagan, Alina

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Sampson, Elliot

AU - Smizanska, M.

AU - Wharton, A.M.

PY - 2025/3/4

Y1 - 2025/3/4

N2 - Differential measurements of Higgs boson production in the Ï„-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), VH and ttÂ¯H associated production modes, with particular focus on the VBF production mode. The data used to perform the measurements correspond to 140 fbâˆ’1 of proton-proton collisions collected by the ATLAS experiment at the LHC. Two methods are used to perform the measurements: the Simplified Template Cross-Section (STXS) approach and an Unfolded Fiducial Differential measurement considering only the VBF phase space. For the STXS measurement, events are categorized by their production mode and kinematic properties such as the Higgs bosonâ€™s transverse momentum (pTH), the number of jets produced in association with the Higgs boson, or the invariant mass of the two leading jets (mjj). For the VBF production mode, the ratio of the measured cross-section to the Standard Model prediction for mjj > 1.5 TeV and pTH > 200 GeV (pTH < 200 GeV) is 1.29âˆ’0.34+0.39 (0.12âˆ’0.33+0.34). This is the first VBF measurement for the higher-pTH criteria, and the most precise for the lower-pTH criteria. The fiducial cross-section measurements, which only consider the kinematic properties of the event, are performed as functions of variables characterizing the VBF topology, such as the signed âˆ†Ï•jj between the two leading jets. The measurements have a precision of 30%â€“50% and agree well with the Standard Model predictions. These results are interpreted in the SMEFT framework, and place the strongest constraints to date on the CP-odd Wilson coefficient cHW~.

AB - Differential measurements of Higgs boson production in the Ï„-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), VH and ttÂ¯H associated production modes, with particular focus on the VBF production mode. The data used to perform the measurements correspond to 140 fbâˆ’1 of proton-proton collisions collected by the ATLAS experiment at the LHC. Two methods are used to perform the measurements: the Simplified Template Cross-Section (STXS) approach and an Unfolded Fiducial Differential measurement considering only the VBF phase space. For the STXS measurement, events are categorized by their production mode and kinematic properties such as the Higgs bosonâ€™s transverse momentum (pTH), the number of jets produced in association with the Higgs boson, or the invariant mass of the two leading jets (mjj). For the VBF production mode, the ratio of the measured cross-section to the Standard Model prediction for mjj > 1.5 TeV and pTH > 200 GeV (pTH < 200 GeV) is 1.29âˆ’0.34+0.39 (0.12âˆ’0.33+0.34). This is the first VBF measurement for the higher-pTH criteria, and the most precise for the lower-pTH criteria. The fiducial cross-section measurements, which only consider the kinematic properties of the event, are performed as functions of variables characterizing the VBF topology, such as the signed âˆ†Ï•jj between the two leading jets. The measurements have a precision of 30%â€“50% and agree well with the Standard Model predictions. These results are interpreted in the SMEFT framework, and place the strongest constraints to date on the CP-odd Wilson coefficient cHW~.

KW - Unfolding

KW - Higgs Physics

KW - Hadron-Hadron Scattering

U2 - 10.1007/jhep03(2025)010

DO - 10.1007/jhep03(2025)010

M3 - Journal article

VL - 2025

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 3

M1 - 10

ER -

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