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REVIEW 2 major objections 5 minor 65 references

The most precise measurement to date of Higgs production with a single top quark finds a signal strength 3.3 times the Standard Model prediction, with an observed significance of 2.3 standard deviations.

Reviewed by Pith at T0; open to challenge. T0 means a machine referee read the full paper against a public rubric. the ladder, T0–T4 →

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T0 review · deepseek-v4-flash

2026-08-01 02:51 UTC pith:IFMR7VRF

load-bearing objection Solid, careful ATLAS tH combination that delivers the most precise μ_tH to date (3.3 ± 1.6, 2.3σ), but the new H→ττ channel shows no excess and the result leans on an undocumented fake-lepton correction to the Run-2 H→bb input that needs to be disclosed before sign-off. the 2 major comments →

arxiv 2607.27708 v1 pith:IFMR7VRF submitted 2026-07-30 hep-ex

Search for textit{tH} production in the H to ττ decay mode, and a combination with other searches, using textit{pp} collisions at 13 TeV and 13.6 TeV with the ATLAS detector

ATLAS Collaboration This is my paper
classification hep-ex
keywords tH productionsingle top quarkH→ττ decaysignal strengthtop Yukawa couplinghadronic tau fakesprofile likelihood combination
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper searches for a rare process in which a Higgs boson is produced together with a single top quark, using events with tau leptons and a neural-network discriminant. On its own, the H→ττ channel sees no significant excess and sets an upper limit of 8.6 times the Standard Model rate. Combined with earlier searches in other Higgs decay modes, the measurement gives a signal strength of 3.3 ± 1.6 times the Standard Model, corresponding to an observed significance of 2.3 standard deviations (0.8 expected). The authors conclude this is the most precise determination of tH production so far, and that the result is compatible with the Standard Model at the 12% level.

Core claim

The central result is the combined tH signal strength μ_tH = 3.3 +1.7 −1.5, decomposed into statistical ±1.2 and systematic +1.1 −1.0, with observed (expected) significance of 2.3 (0.8) standard deviations and a 95% CL upper limit of 6.1 (2.7) times the Standard Model. In the H→ττ channel alone, the best-fit signal strength is −0.9 ± 4.3, with an upper limit of 8.6 (9.3). Because tH production is sensitive to the sign and structure of the top-quark Yukawa coupling, the combination sharpens the constraint on this coupling even though it does not establish the process.

What carries the argument

Two complementary final states are used: two light leptons plus one hadronic tau, and one light lepton plus two hadronic taus. Neural networks trained on kinematic features — including the reconstructed Higgs mass from a missing-mass calculator and the spectator-jet mass — separate tH signal from backgrounds. Backgrounds with jets misidentified as hadronic taus are normalised to data in opposite-sign control regions using three pT-dependent scale factors, and these factors are shared between the two tau channels. The final profile-likelihood fit combines the tau channels with the previous di-photon, lepton, and b-quark searches, correlating common systematic uncertainties and the ttW backgro

Load-bearing premise

The measurement assumes that the mix of jet types that mimic hadronic taus in the background control regions is the same in the signal regions, within a 2.4% per-bin uncertainty; if that fails, the tau-channel signal strength and the combined result shift.

What would settle it

In a validation region enriched in fake taus but with no expected tH signal, measure the neural-network discriminant distribution and compare it with the prediction from the control regions; a mismatch larger than the assigned composition uncertainty would falsify the background model and shift the quoted signal strengths.

Watch this falsifier — get emailed when new claim-graph text bears on it.

If this is right

  • If the central value stands, the tH rate is about 3.3 times the Standard Model prediction, well within the current uncertainty and compatible with the Standard Model.
  • The observed 2.3-sigma excess over background is larger than the 0.8 sigma expected for a Standard-Model signal, so additional data are needed to decide whether it is a statistical fluctuation.
  • The combined measurement places the tightest existing upper limit, 6.1 times the Standard Model at 95% CL, on tH production.
  • The correlation of the ttW background across channels is a load-bearing part of the combination; a dedicated measurement of ttW would test it directly.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If the central μ_tH = 3.3 persists with more data, it would suggest the top-Higgs coupling may be stronger than the Standard Model expects, though the current uncertainty is too large to claim a deviation.
  • The H→ττ channel alone has a negative best-fit signal strength (−0.9) and dominates the combined limit; a future analysis with better fake-tau rejection could substantially tighten the global constraint.
  • The same neural-network and background-normalisation strategy could be applied to the newer 13.6 TeV data set, where a test of the observed 2.3-sigma excess should come quickly.
  • Because tH production is uniquely sensitive to the sign of the top Yukawa coupling, a measurement that excludes zero with high significance would be a direct probe of new physics in the Higgs-top sector.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit.

Referee Report

2 major / 5 minor

Summary. The paper reports a search for associated tH production in final states with two light leptons plus one hadronically decaying tau or one light lepton plus two hadronic taus, using 140 fb^-1 of 13 TeV ATLAS data. The H->tau tau analysis finds no significant excess (observed/expected 95% CL limit 8.6/9.3 times the SM), and the standalone signal strength is mu_tH = -0.9 +4.4/-4.2. The result is then combined with earlier ATLAS tH searches in the gamma-gamma, multi-lepton, and H->bb channels, including Run-3 gamma-gamma data, yielding the central claim: mu_tH = 3.3 +1.7/-1.5 = 3.3 +/- 1.2 (stat.) +1.1/-1.0 (sys.), with an observed (expected) significance of 2.3 (0.8) standard deviations and a 95% CL observed (expected) limit of 6.1 (2.7). The paper concludes that this is the most precise tH measurement to date.

Significance. If the combination is robust, this is a genuinely useful result: it improves the precision on the tH signal strength, sharpens the constraint on the sign of the top-quark Yukawa coupling, and combines the first dedicated H->tau tau tH search with existing ATLAS measurements. The standalone analysis is carefully executed: the fit setup, control regions, normalisation factors, post-fit yields, and systematic breakdown are presented in detail, and the validation plots support the background model. The main caveat is that the combined central value and significance depend on a fake-lepton correction to the Run-2 multi-lepton and H->bb inputs from Ref. [9] that is mentioned but not documented in this paper; because those inputs carry much of the weight in the combined fit, the reader cannot fully verify the stability of the quoted 2.3 sigma excess without additional information.

major comments (2)
  1. [Introduction and Section 7 (Ref. [9] inputs; Figure 10)] The combination relies on corrected Run-2 inputs from Ref. [9], but the correction is not documented. The Introduction states that 'after correcting an issue affecting the fake-lepton contribution in that analysis' the combined Run-2 signal strength is 8.2 +/- 2.5 (stat.) +/- 2.1 (sys.), with 'minor impact ... affecting only the last quoted digit'; Section 7 then says the updated H->bb-only value is 6.2 +6.4/-6.2 and that 'this new value' is used in the combination. No pre-correction values, a description of the fake-lepton issue, or a derivation or reference for the correction are given. Since the combined mu_tH = 3.3 and the observed 2.3 sigma significance are driven substantially by the Run-2 2lSS, 3l, and H->bb inputs (Figure 10), this is a load-bearing missing-support issue. Please provide an appendix or explicit reference documenting the correction, including pre-/post-correction b
  2. [Section 7 and Figure 10] The paper quotes the updated H->bb-only value as mu = 6.2 +/- 2.7 (stat.) +5.8/-5.6 (sys.), while Figure 10 shows 'Run 2 b b' at about 6.1 with a large uncertainty. The relationship between this H->bb-only value, the combined Run-2 value of 8.2 quoted in the Introduction, and the original published value in Ref. [9] is not transparent. A reader cannot tell whether the 'minor impact' refers to the combined value only or also to the individual input channels. Please add a table of the individual input measurements before and after the correction, together with the correlation assumptions, so that the provenance of each number used in the combination is explicit.
minor comments (5)
  1. [Section 6.1] The composition uncertainty is stated to change the NN(tH) bin contents by 'at most 2.4% per bin', but no plot or table shows the resulting NN(tH) shape variation. Adding a small figure in the appendix would make this validation easier to assess.
  2. [Section 5.1] The sentence 'Following the estimates made in Ref. [9], an uncertainty of 30% is applied to the predicted rate of events including a gamma-conversion' is vague. Please give the specific basis or reference for this 30% value.
  3. [Section 7, Figure 6 caption] The caption states 'The (red) negative area in the lower panel corresponds to the post-fit signal yield being negative.' For a signal-strength fit this is unusual and could confuse readers; a brief explanation in the text of why the post-fit signal yield is negative would be helpful.
  4. [Table 4] The systematic categories 'tt+>=1b', 'tt+>=1c and t t+>=0 light' are not defined in the text. Please define these categories or point to the definitions in Ref. [9].
  5. [Introduction] The phrase 'after correcting an issue affecting the fake-lepton contribution in that analysis' could be misread as referring to the H->bb-only result, whereas it appears to refer to the combined multi-lepton + H->bb result. Rephrase to distinguish the combined Run-2 value from the individual H->bb value.

Circularity Check

0 steps flagged

No significant circularity: mu_tH is a fitted parameter, not a derived constant; input channels are independent published measurements.

full rationale

The paper reports an experimental search and a profile-likelihood combination. The parameter of interest mu_tH is estimated from data, not derived from an input that already contains the result. The H to tau tau analysis determines fake-tau normalisation factors in dedicated control regions and applies them to signal regions; the signal strength remains a free parameter in the fit, so no fitted quantity is renamed as a prediction. The combination uses previous ATLAS measurements (Refs. 7-9) as inputs; these are independent published results with their own data, not results derived from the present paper, and the text discloses the updated H to bb fake-lepton estimate in Section 7 rather than concealing it. The central claim (mu_tH = 3.3 +/- 1.6, significance 2.3 sigma) is the output of a maximum-likelihood fit, not a first-principles derivation, and no equation in the paper reduces an input to an output by construction. The undocumented magnitude of the fake-lepton correction is a transparency/correctness concern, not circularity. Score 0.

Axiom & Free-Parameter Ledger

7 free parameters · 6 axioms · 0 invented entities

The new content is a fitted signal strength plus background normalisation factors; the theory inputs (SM cross-sections, PDFs, detector simulation) are taken from prior literature and collaboration calibrations. No new particles, forces, or conservation laws are introduced.

free parameters (7)
  • μ_tH (signal strength) = 3.3 +1.7 −1.5 (combined); −0.9 +4.4 −4.2 (H→ττ only)
    Parameter of interest in the profile likelihood fit; the central measured result.
  • k(e HF) = 0.90 ± 0.06 (combined)
    Normalisation factor fitted to control regions for non-prompt electron background; scales MC.
  • k(μ HF) = 0.89 ± 0.05 (combined)
    Normalisation factor for non-prompt muon background, fitted to control regions.
  • k(τ fake) pT,1 = 1.09 ± 0.03 (combined)
    Normalisation factor for fake τhad with 20 < pT ≤ 30 GeV, fitted to dedicated CR.
  • k(τ fake) pT,2 = 0.92 ± 0.03 (combined)
    Normalisation factor for fake τhad with 30 < pT ≤ 60 GeV, fitted to dedicated CR.
  • k(τ fake) pT,3 = 0.64 ± 0.07 (combined)
    Normalisation factor for fake τhad with pT > 60 GeV, fitted to dedicated CR.
  • τ-fake pT bin boundaries = 20, 30, 60 GeV
    Chosen by hand based on observed data/MC mismodelling and MC statistics; affects the normalisation factors and background estimate.
axioms (6)
  • domain assumption tHq and tWH signal samples are normalised to NLO QCD cross-sections (5FS) without NLO EW corrections; tWH/ttH overlap is treated with the DR2 scheme.
    Section 3: if the signal cross-sections or interference treatment are wrong, the extracted μ_tH shifts.
  • domain assumption Detector simulation and reconstruction/identification efficiencies (Geant4, τhad RNN, DL1r b-tagging) accurately model data.
    Sections 2 and 4: the measurement relies on MC simulation for signal and most backgrounds.
  • standard math The profile likelihood asymptotic approximation and the CLs method are valid.
    Section 7 and Refs [60,61]: used to derive uncertainties, significances, and upper limits.
  • domain assumption Normalisation factors for fake and non-prompt lepton backgrounds measured in control regions apply to the signal regions after pT binning.
    Section 5.3/6.1: central assumption of the data-driven background estimate; residual mismatch is covered by composition uncertainties.
  • domain assumption Common systematic uncertainties between channels are correctly correlated in the combination.
    Section 7: the quoted combined uncertainty and 'most precise' claim depend on the assumed correlation scheme.
  • domain assumption The ttH signal strength is fixed to the SM prediction in the main combination; a fit with μ_ttH floating gives nearly unchanged μ_tH.
    Section 7: the main result assumes the SM ttH rate; the paper reports that floating it changes little.

pith-pipeline@v1.3.0-daily-deepseek · 58531 in / 13006 out tokens · 128829 ms · 2026-08-01T02:51:08.623305+00:00 · methodology

0 comments
read the original abstract

A search for the production of a Higgs boson in association with a single top quark in multi-lepton final states including $\tau$-leptons is presented, using an integrated luminosity of $140\,\text{fb}^{-1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13\,\text{TeV}$ collected by the ATLAS detector at the LHC. The analysis targets the $H \to \tau\tau$ decay, where at least one $\tau$-lepton decays hadronically, to indicate the presence of the Higgs boson. No significant excess over the expected background is observed, and an observed (expected) upper limit at the 95% confidence level on the signal strength is set at 8.6 (9.3) times the Standard Model prediction. This measurement is combined with previous publications of the ATLAS Collaboration targeting the same production process but in different final states, using $140\,\text{fb}^{-1}$ of proton-proton collision data at $\sqrt{s} = 13\,\text{TeV}$ and $164\,\text{fb}^{-1}$ at $13.6\,\text{TeV}$. The combined measurement of the signal strength yields $\mu_{tH} = 3.3^{+1.7}_{-1.5} = 3.3 \pm 1.2\,(\text{stat.})^{+1.1}_{-1.0}\,(\text{sys.})$ times the Standard Model expectation, corresponding to an observed (expected) $\textit{tH}$ significance of 2.3 (0.8) standard deviations. The combined observed (expected) upper limit at the 95% confidence level on the signal strength is set at 6.1 (2.7) times the Standard Model prediction. This combination represents the most precise measurement of $tH$ production to date.

discussion (0)

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Reference graph

Works this paper leans on

65 extracted references · 50 linked inside Pith

  1. [1]

    Degrassi et al.,Higgs mass and vacuum stability in the Standard Model at NNLO, JHEP08(2012) 098, arXiv:1205.6497 [hep-ph]

    G. Degrassi et al.,Higgs mass and vacuum stability in the Standard Model at NNLO, JHEP08(2012) 098, arXiv:1205.6497 [hep-ph]

    Pith/arXiv arXiv 2012

  2. [2]

    Buttazzo et al.,Investigating the near-criticality of the Higgs boson, JHEP12(2013) 089, arXiv:1307.3536 [hep-ph]

    D. Buttazzo et al.,Investigating the near-criticality of the Higgs boson, JHEP12(2013) 089, arXiv:1307.3536 [hep-ph]

    Pith/arXiv arXiv 2013

  3. [3]

    Englert et al.,Precision measurements of Higgs couplings: implications for new physics scales, J

    C. Englert et al.,Precision measurements of Higgs couplings: implications for new physics scales, J. Phys. G41(2014) 113001, arXiv:1403.7191 [hep-ph]

    Pith/arXiv arXiv 2014

  4. [4]

    ATLAS Collaboration,Observation of Higgs boson production in association with a top quark pair at the LHC with the ATLAS detector, Phys. Lett. B784(2018) 173, arXiv:1806.00425 [hep-ex]

    Pith/arXiv arXiv 2018

  5. [5]

    CMS Collaboration,Observation of𝑡 ¯𝑡𝐻Production, Phys. Rev. Lett.120(2018) 231801, arXiv:1804.02610 [hep-ex]

    Pith/arXiv arXiv 2018

  6. [6]

    Demartin, F

    F. Demartin, F. Maltoni, K. Mawatari and M. Zaro, Higgs production in association with a single top quark at the LHC, Eur. Phys. J. C75(2015) 267, arXiv:1504.00611 [hep-ph]

    Pith/arXiv arXiv 2015

  7. [7]

    ATLAS Collaboration,Probing the Higgs-top Yukawa interaction in the𝑡¯𝑡𝐻and𝑡𝐻processes using𝐻→𝛾𝛾with the ATLAS detector, (2026), arXiv:2606.04855 [hep-ex]

    Pith/arXiv arXiv 2026

  8. [8]

    ATLAS Collaboration,Measurement of the properties of Higgs boson production at√𝑠=13TeV in the𝐻→𝛾𝛾channel using139fb −1 of𝑝𝑝collision data with the ATLAS experiment, JHEP07(2023) 088, arXiv:2207.00348 [hep-ex]

    Pith/arXiv arXiv 2023

  9. [9]

    ATLAS Collaboration,Search for the production of a Higgs boson in association with a single top quark in𝑝𝑝collisions at√𝑠=13TeV with the ATLAS detector, JHEP10(2025) 093, arXiv:2508.14695 [hep-ex]

    arXiv 2025

  10. [10]

    CMS Collaboration,Measurement of the Higgs boson production rate in association with top quarks in final states with electrons, muons, and hadronically decaying tau leptons at√𝑠=13TeV , Eur. Phys. J. C81(2021) 378, arXiv:2011.03652 [hep-ex]

    Pith/arXiv arXiv 2021

  11. [11]

    CMS Collaboration,Measurement of the𝑡 ¯𝑡𝐻and𝑡𝐻production rates in the𝐻→𝑏 ¯𝑏decay channel using proton–proton collision data at√𝑠=13TeV, JHEP02(2025) 097, arXiv:2407.10896 [hep-ex]

    Pith/arXiv arXiv 2025

  12. [12]

    CMS Collaboration,Combined measurements and interpretations of Higgs boson production and decay in proton–proton collisions at√𝑠=13TeV, (2026), arXiv:2602.18611 [hep-ex]

    arXiv 2026

  13. [13]

    ATLAS Collaboration,The ATLAS Experiment at the CERN Large Hadron Collider, JINST3(2008) S08003

    2008

  14. [14]

    Avoni et al.,The new LUCID-2 detector for luminosity measurement and monitoring in ATLAS, JINST13(2018) P07017

    G. Avoni et al.,The new LUCID-2 detector for luminosity measurement and monitoring in ATLAS, JINST13(2018) P07017

    2018

  15. [15]

    ATLAS Collaboration,Performance of the ATLAS trigger system in 2015, Eur. Phys. J. C77(2017) 317, arXiv:1611.09661 [hep-ex]

    Pith/arXiv arXiv 2015

  16. [16]

    ATLAS Collaboration,Software and computing for Run 3 of the ATLAS experiment at the LHC, Eur. Phys. J. C85(2025) 234, arXiv:2404.06335 [hep-ex], Erratum: Eur. Phys. J. C85(2025) 907

    Pith/arXiv arXiv 2025

  17. [17]

    ATLAS Collaboration,ATLAS data quality operations and performance for 2015–2018 data-taking, JINST15(2020) P04003, arXiv:1911.04632 [physics.ins-det]. 29

    Pith/arXiv arXiv 2015

  18. [18]

    ATLAS Collaboration,Performance of electron and photon triggers in ATLAS during LHC Run 2, Eur. Phys. J. C80(2020) 47, arXiv:1909.00761 [hep-ex]

    Pith/arXiv arXiv 2020

  19. [19]

    ATLAS Collaboration,Performance of the ATLAS muon triggers in Run 2, JINST15(2020) P09015, arXiv:2004.13447 [physics.ins-det]

    Pith/arXiv arXiv 2020

  20. [20]

    Sjöstrand, S

    T. Sjöstrand, S. Mrenna and P. Skands,A brief introduction to PYTHIA 8.1, Comput. Phys. Commun.178(2008) 852, arXiv:0710.3820 [hep-ph]

    Pith/arXiv arXiv 2008

  21. [21]

    ATLAS Collaboration,The Pythia 8 A3 tune description of ATLAS minimum bias and inelastic measurements incorporating the Donnachie–Landshoff diffractive model, ATL-PHYS-PUB-2016-017, 2016,url:https://cds.cern.ch/record/2206965

    arXiv 2016

  22. [22]

    A. D. Martin, W. J. Stirling, R. S. Thorne and G. Watt,Parton distributions for the LHC, Eur. Phys. J. C63(2009) 189, arXiv:0901.0002 [hep-ph]

    Pith/arXiv arXiv 2009

  23. [23]

    J. Alwall et al.,The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations, JHEP07(2014) 079, arXiv:1405.0301 [hep-ph]

    Pith/arXiv arXiv 2014

  24. [24]

    Sjöstrand et al.,An introduction to PYTHIA 8.2, Comput

    T. Sjöstrand et al.,An introduction to PYTHIA 8.2, Comput. Phys. Commun.191(2015) 159, arXiv:1410.3012 [hep-ph]

    Pith/arXiv arXiv 2015

  25. [25]

    NNPDF Collaboration, R. D. Ball et al.,Parton distributions for the LHC run II, JHEP04(2015) 040, arXiv:1410.8849 [hep-ph]

    Pith/arXiv arXiv 2015

  26. [26]

    ATLAS Collaboration,ATLAS Pythia 8 tunes to7TeV data, ATL-PHYS-PUB-2014-021, 2014, url:https://cds.cern.ch/record/1966419

    arXiv 2014

  27. [27]

    Frixione, G

    S. Frixione, G. Ridolfi and P. Nason, A positive-weight next-to-leading-order Monte Carlo for heavy flavour hadroproduction, JHEP09(2007) 126, arXiv:0707.3088 [hep-ph]

    Pith/arXiv arXiv 2007

  28. [28]

    Nason,A new method for combining NLO QCD with shower Monte Carlo algorithms, JHEP11(2004) 040, arXiv:hep-ph/0409146

    P. Nason,A new method for combining NLO QCD with shower Monte Carlo algorithms, JHEP11(2004) 040, arXiv:hep-ph/0409146

    Pith/arXiv arXiv 2004

  29. [29]

    Frixione, P

    S. Frixione, P. Nason and C. Oleari, Matching NLO QCD computations with parton shower simulations: the POWHEG method, JHEP11(2007) 070, arXiv:0709.2092 [hep-ph]

    Pith/arXiv arXiv 2007

  30. [30]

    Alioli, P

    S. Alioli, P. Nason, C. Oleari and E. Re,A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX, JHEP06(2010) 043, arXiv:1002.2581 [hep-ph]

    Pith/arXiv arXiv 2010

  31. [31]

    Bothmann et al.,Event generation with Sherpa 2.2, SciPost Phys.7(2019) 034, arXiv:1905.09127 [hep-ph]

    E. Bothmann et al.,Event generation with Sherpa 2.2, SciPost Phys.7(2019) 034, arXiv:1905.09127 [hep-ph]

    Pith/arXiv arXiv 2019

  32. [32]

    Höche, F

    S. Höche, F. Krauss, M. Schönherr and F. Siegert, QCD matrix elements + parton showers. The NLO case, JHEP04(2013) 027, arXiv:1207.5030 [hep-ph]

    Pith/arXiv arXiv 2013

  33. [33]

    R. D. Ball et al.,Parton distributions from high-precision collider data, Eur. Phys. J. C77(2017) 663, arXiv:1706.00428 [hep-ph]

    Pith/arXiv arXiv 2017

  34. [34]

    NNPDF Collaboration, R. D. Ball et al.,Parton distributions with LHC data, Nucl. Phys. B867(2013) 244, arXiv:1207.1303 [hep-ph]. 30

    Pith/arXiv arXiv 2013

  35. [35]

    Pumplin et al., New Generation of Parton Distributions with Uncertainties from Global QCD Analysis, JHEP07(2002) 012, arXiv:hep-ph/0201195

    J. Pumplin et al., New Generation of Parton Distributions with Uncertainties from Global QCD Analysis, JHEP07(2002) 012, arXiv:hep-ph/0201195

    Pith/arXiv arXiv 2002

  36. [36]

    ATLAS Collaboration,Measurement of the𝑍/𝛾∗ boson transverse momentum distribution in𝑝𝑝 collisions at√𝑠=7TeV with the ATLAS detector, JHEP09(2014) 145, arXiv:1406.3660 [hep-ex]

    Pith/arXiv arXiv 2014

  37. [37]

    Maltoni, G

    F. Maltoni, G. Ridolfi and M. Ubiali,b-initiated processes at the LHC: a reappraisal, JHEP07(2012) 022, arXiv:1203.6393 [hep-ph], Erratum: JHEP04(2013) 095

    Pith/arXiv arXiv 2012

  38. [38]

    de Florian et al., Handbook of LHC Higgs Cross Sections: 4

    D. de Florian et al., Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector, (2017), arXiv:1610.07922 [hep-ph]

    Pith/arXiv arXiv 2017

  39. [39]

    ATLAS Collaboration,SM Higgs production cross sections at√𝑠=13TeV, 2024,url:https: //twiki.cern.ch/twiki/bin/view/LHCPhysics/CERNYellowReportPageAt13TeV

    2024

  40. [40]

    Demartin, B

    F. Demartin, B. Maier, F. Maltoni, K. Mawatari and M. Zaro, tWH associated production at the LHC, Eur. Phys. J. C77(2017) 34, arXiv:1607.05862 [hep-ph]

    Pith/arXiv arXiv 2017

  41. [41]

    ATLAS Collaboration,The ATLAS Simulation Infrastructure, Eur. Phys. J. C70(2010) 823, arXiv:1005.4568 [physics.ins-det]

    Pith/arXiv arXiv 2010

  42. [42]

    Agostinelli et al.,Geant4– a simulation toolkit, Nucl

    S. Agostinelli et al.,Geant4– a simulation toolkit, Nucl. Instrum. Meth. A506(2003) 250

    2003

  43. [43]

    ATLAS Collaboration, The simulation principle and performance of the ATLAS fast calorimeter simulation FastCaloSim, ATL-PHYS-PUB-2010-013, 2010,url:https://cds.cern.ch/record/1300517

    arXiv 2010

  44. [44]

    ATLAS Collaboration,Electron and photon performance measurements with the ATLAS detector using the 2015–2017 LHC proton–proton collision data, JINST14(2019) P12006, arXiv:1908.00005 [hep-ex]

    Pith/arXiv arXiv 2015

  45. [45]

    ATLAS Collaboration,Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector, Phys. Rev. D97(2018) 072003, arXiv:1712.08891 [hep-ex]

    Pith/arXiv arXiv 2018

  46. [46]

    ATLAS Collaboration,Muon reconstruction and identification efficiency in ATLAS using the full Run 2𝑝𝑝collision data set at√𝑠=13TeV, Eur. Phys. J. C81(2021) 578, arXiv:2012.00578 [hep-ex]

    Pith/arXiv arXiv 2021

  47. [47]

    ATLAS Collaboration,Studies of the muon momentum calibration and performance of the ATLAS detector with𝑝𝑝collisions at√𝑠=13TeV, Eur. Phys. J. C83(2023) 686, arXiv:2212.07338 [hep-ex]

    Pith/arXiv arXiv 2023

  48. [48]

    ATLAS Collaboration,Measurement of the tau lepton reconstruction and identification performance in the ATLAS experiment using𝑝𝑝collisions at√𝑠=13TeV, ATLAS-CONF-2017-029, 2017,url:https://cds.cern.ch/record/2261772

    arXiv 2017

  49. [49]

    ATLAS Collaboration,Reconstruction, Identification, and Calibration of hadronically decaying tau leptons with the ATLAS detector for the LHC Run 3 and reprocessed Run 2 data, ATL-PHYS-PUB-2022-044, 2022,url:https://cds.cern.ch/record/2827111

    arXiv 2022

  50. [50]

    Cacciari, G

    M. Cacciari, G. P. Salam and G. Soyez,The anti-𝑘𝑡 jet clustering algorithm, JHEP04(2008) 063, arXiv:0802.1189 [hep-ph]. 31

    Pith/arXiv arXiv 2008

  51. [51]

    Cacciari, G

    M. Cacciari, G. P. Salam and G. Soyez,FastJet user manual, Eur. Phys. J. C72(2012) 1896, arXiv:1111.6097 [hep-ph]

    Pith/arXiv arXiv 2012

  52. [52]

    ATLAS Collaboration,Performance of pile-up mitigation techniques for jets in𝑝𝑝collisions at√𝑠=8TeV using the ATLAS detector, Eur. Phys. J. C76(2016) 581, arXiv:1510.03823 [hep-ex]

    Pith/arXiv arXiv 2016

  53. [53]

    ATLAS Collaboration, Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detector, Eur. Phys. J. C77(2017) 580, arXiv:1705.02211 [hep-ex], Erratum: Eur. Phys. J. C77(2017) 712

    Pith/arXiv arXiv 2017

  54. [54]

    ATLAS Collaboration,ATLAS flavour-tagging algorithms for the LHC Run 2𝑝𝑝 collision dataset, Eur. Phys. J. C83(2023) 681, arXiv:2211.16345 [physics.data-an]

    Pith/arXiv arXiv 2023

  55. [55]

    ATLAS Collaboration,Performance of missing transverse momentum reconstruction with the ATLAS detector using proton–proton collisions at√𝑠=13TeV, Eur. Phys. J. C78(2018) 903, arXiv:1802.08168 [hep-ex]

    Pith/arXiv arXiv 2018

  56. [56]

    Elagin, P

    A. Elagin, P. Murat, A. Pranko and A. Safonov, A new mass reconstruction technique for resonances decaying to𝜏𝜏, Nucl. Instru. Meth. A654(2011) 481

    2011

  57. [57]

    Chollet,Keras, 2025,url:https://keras.io/

    F. Chollet,Keras, 2025,url:https://keras.io/

    2025

  58. [58]

    Bähr et al.,Herwig++ physics and manual, Eur

    M. Bähr et al.,Herwig++ physics and manual, Eur. Phys. J. C58(2008) 639, arXiv:0803.0883 [hep-ph]

    Pith/arXiv arXiv 2008

  59. [59]

    Bellm et al.,Herwig 7.0/Herwig++ 3.0 release note, Eur

    J. Bellm et al.,Herwig 7.0/Herwig++ 3.0 release note, Eur. Phys. J. C76(2016) 196, arXiv:1512.01178 [hep-ph]

    Pith/arXiv arXiv 2016

  60. [60]

    Cowan, K

    G. Cowan, K. Cranmer, E. Gross and O. Vitells, Asymptotic formulae for likelihood-based tests of new physics, Eur. Phys. J. C71(2011) 1554, arXiv:1007.1727 [physics.data-an], Erratum: Eur. Phys. J. C73(2013) 2501

    Pith/arXiv arXiv 2011

  61. [61]

    A. L. Read,Presentation of search results: the𝐶𝐿𝑠 technique, J. Phys. G28(2002) 2693

    2002

  62. [62]

    ATLAS Collaboration, Measurement of the associated production of a top-antitop-quark pair and a Higgs boson decaying into a𝑏 ¯𝑏pair in𝑝𝑝collisions at √𝑠=13TeV using the ATLAS detector at the LHC, Eur. Phys. J. C85(2025) 210, arXiv:2407.10904 [hep-ex]

    Pith/arXiv arXiv 2025

  63. [63]

    ATLAS Collaboration,Measurement of the Higgs boson production in association with top quarks in multilepton final states in𝑝𝑝collisions at√𝑠=13TeV with the ATLAS detector, JHEP05(2026) 183, arXiv:2510.23755 [hep-ex]

    Pith/arXiv arXiv 2026

  64. [64]

    Pinto et al.,Uncertainty components in profile likelihood fits, Eur

    A. Pinto et al.,Uncertainty components in profile likelihood fits, Eur. Phys. J. C84(2024) 593, arXiv:2307.04007 [physics.data-an]

    Pith/arXiv arXiv 2024

  65. [65]

    Demokritos

    ATLAS Collaboration,ATLAS Computing Acknowledgements, ATL-SOFT-PUB-2026-001, 2026, url:https://cds.cern.ch/record/2952666. 32 The ATLAS Collaboration G. Aad 102, E. Aakvaag 17, B. Abbott 121, S. Abdelhameed 83b, K. Abeling 54, N.J. Abicht 48, S.H. Abidi 30, M. Aboelela 44, A. Aboulhorma 36e, H. Abramowicz 154, B.S. Acharya 68a,68b,m, A.Ackermann 62a, J.Ac...

    arXiv 2026