Automated one-loop computations in the SMEFT

Abstract

We present the automation of one-loop computations in the standard-model effective field theory at dimension six. Our general implementation, dubbed SMEFT@NLO, covers all types of operators: bosonic, two- and four-fermion ones. Included ultraviolet and rational counterterms presently allow for fully differential predictions, possibly matched to parton shower, up to the one-loop level in the strong coupling or in four-quark operator coefficients. Exact flavor symmetries are imposed among light quark generations and an initial focus is set on top-quark interactions in the fermionic sector. We illustrate the potential of this implementation with novel loop-induced and next-to-leading-order computations relevant for top-quark, electroweak, and Higgs-boson phenomenology at the LHC and future colliders.

6 pages, 3 figures, 4 tables, v2: matches published version, minor changes and new scale choice in four-top-quark production (table II)

References in corpus (15)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• Reducing full one-loop amplitudes to scalar integrals at the integrand level
• A Monte Carlo global analysis of the Standard Model Effective Field Theory: the top quark sector
• A global approach to top-quark flavor-changing interactions
• Helicity Selection Rules and Non-Interference for BSM Amplitudes
• Higgs production in association with a top-antitop pair in the Standard Model Effective Field Theory at NLO in QCD
• Probing the Higgs self coupling via single Higgs production at the LHC
• An NLO QCD effective field theory analysis of $W_{}^{+}{W}_{}^{-}$ production at the LHC including fermionic operators
• Novel measurements of anomalous triple gauge couplings for the LHC
• Automatic computations at next-to-leading order in QCD for top-quark flavor-changing neutral processes
• Taming the off-shell Higgs boson
• The decay $h\to Z\gamma$ in the Standard-Model Effective Field Theory
• Next-to-leading QCD effect to the quark compositeness search at the LHC
• Higgs decay to fermion pairs at NLO in SMEFT
• Proposal for the validation of Monte Carlo implementations of the standard model effective field theory

Cited by in corpus (84)

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• Observation of four-top-quark production in the multilepton final state with the ATLAS detector
• Quantum entanglement and top spin correlations in SMEFT at higher orders
• Towards the renormalisation of the Standard Model effective field theory to dimension eight: Bosonic interactions I
• SMEFT analysis of vector boson scattering and diboson data from the LHC Run II
• Measurement of the properties of Higgs boson production at $\sqrt{s}=13$ TeV in the $H\to \gamma \gamma$ channel using $139$ fb${}^{-1}$ of $pp$ collision data with the ATLAS experiment
• Search for nonresonant pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Quantum tops at circular lepton colliders
• SMEFiT: a flexible toolbox for global interpretations of particle physics data with effective field theories
• Learning from Radiation at a Very High Energy Lepton Collider
• The Importance of Flavor in SMEFT Electroweak Precision Fits
• Top-philic heavy resonances in four-top final states and their EFT interpretation
• Complete SMEFT predictions for four top quark production at hadron colliders
• Resolving the Flavor Structure in the MFV-SMEFT
• Consistent higher order $\sigma (\mathcal{G}\mathcal{G}\to h)$, $\Gamma (h\to \mathcal{G}\mathcal{G})$ and $\Gamma (h\to \gamma \gamma )$ in geoSMEFT
• The top quark electro-weak couplings after LHC Run 2
• Sensitivity to BSM effects in the Higgs $p_T$ spectrum within SMEFT
• Accelerating LHC phenomenology with analytic one-loop amplitudes: A C++ interface to MCFM
• Gauge Invariance and Finite Counterterms in Chiral Gauge Theories
• SmeftFR v3 -- Feynman rules generator for the Standard Model Effective Field Theory
• Simultaneous CTEQ-TEA extraction of PDFs and SMEFT parameters from jet and $t\bar{t}$ data
• Combined SMEFT interpretation of Higgs, diboson, and top quark data from the LHC
• From angular coefficients to quantum observables: a phenomenological appraisal in di-boson systems
• Double insertions of SMEFT operators in gluon fusion Higgs boson production
• Computing Tools for Effective Field Theories
• Energy Correlators of Hadronically Decaying Electroweak Bosons
• Monolepton production in SMEFT to $\mathcal{O}(1/{\Lambda }^4)$ and beyond
• Single top production in association with a $WZ$ pair at the LHC in the SMEFT
• Measurement of the energy asymmetry in $t\bar{t}j$ production at 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework
• Multi-Higgs Boson Production with Anomalous Interactions at Current and Future Proton Colliders
• Dispelling the $\sqrt{L}$ myth for the High-Luminosity LHC
• Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at $\sqrt{s}=13$ TeV
• Combining chromomagnetic and four-fermion operators with leading SMEFT operators for $gg\to hh$ at NLO QCD
• Precision from the diphoton Zh channel at FCC-hh
• Diboson production in the SMEFT from gluon fusion
• Measurement of Higgs boson self-couplings through $2\to 3$ vector bosons scattering in future muon colliders
• Studies of new Higgs boson interactions through nonresonant $HH$ production in the $b\bar{b}\gamma \gamma$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Revisiting $\mathbf{Vh}(\to \mathbf{b}\bar{\mathbf{b}})$ at the LHC and FCC-hh
• To Profile or To Marginalize -- A SMEFT Case Study
• Renormalization-group running of dimension-8 four-fermion operators in the SMEFT
• Following the trail of new physics via VBF Higgs signal at the Large Hadron Collider
• Measuring Higgs Boson Self-couplings with $2\to 3$ VBS Processes
• Probing Top-philic New Physics via Four-Top-Quark Production
• Constraining the Higgs Potential with Neural Simulation-based Inference for Di-Higgs Production
• Constraining new physics effective interactions via a global fit of electroweak, Drell-Yan, Higgs, top, and flavour observables
• Advancing Tools for Simulation-Based Inference
• Double Higgs Production in Vector Boson Fusion at NLO QCD in HEFT
• Search for new physics using effective field theory in 13 TeV pp collision events that contain a top quark pair and a boosted Z or Higgs boson
• NLO electroweak and QCD corrections to the production of a photon with three charged lepton plus missing energy at the LHC
• Measurement of $t$-channel production of single top quarks and antiquarks in $pp$ collisions at 13 TeV using the full ATLAS Run 2 data sample
• Evidence for the charge asymmetry in $pp\to t\bar{t}$ production at $\sqrt{s}=13$ TeV with the ATLAS detector
• Polarized-boson pairs at NLO in the SMEFT
• SMEFT chromomagnetic dipole operator contributions to $t\bar{t}$ production at approximate NNLO in QCD
• Differential distributions for Single Top Quark Production at the LHeC
• Reviving the interference: framework and proof-of-principle for the anomalous gluon self-interaction in the SMEFT
• Constraining the SMEFT with a differential cross section measurement of $tWZ$ production at the HL-LHC
• Extracting Higgs Self-Coupling Constraints through Triple Higgs Boson Production at Future Hadron Colliders
• Matching in $pp\to t\bar{t}W/Z/h+$ jet SMEFT studies
• Top-pair production via gluon fusion in the Standard Model Effective Field Theory
• LHC EFT WG Note: SMEFT predictions, event reweighting, and simulation
• New Physics Through Drell Yan SMEFT Measurements at NLO
• Staying on Top of SMEFT-Likelihood Analyses
• Rare few-body decays of the Standard Model Higgs boson
• Sensitivity to $\mathcal{C}\mathcal{P}$-violating effective couplings in the top-Higgs sector
• Measurements of Higgs boson production via gluon-gluon fusion and vector-boson fusion using $H\to W{W}^{\ast }\to \ell \nu \ell \nu$ decays in $pp$ collisions with the ATLAS detector and their effective field theory interpretations
• Higgs couplings in SMEFT via Zh production at the HL-LHC
• Top quark electroweak interactions
• Measurements of $W^{+}{W}^{-}$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Measurements and interpretations of $W^{\pm }Z$ production cross-sections in $pp$ collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector
• Searching for top-philic heavy resonances in boosted four-top final states
• Quantifying EFT Uncertainties in LHC Searches
• Constraining dimension-6 SMEFT with higher-order predictions for $pp\to tW$
• Sensitivity Analysis of the Top-Quark Sector
• Monte Carlo Event Generators for Future Lepton Colliders
• Directly Probing the Higgs-top Coupling at High Scales
• A new generation of simultaneous fits to LHC data using deep learning
• Measurement of differential $t$-channel single top (anti)quark production cross-sections at 13 TeV with the ATLAS detector
• Flavorful Electroweak Precision Observables in the Standard Model Effective Field Theory
• Combined EFT interpretation of top quark, Higgs boson, electroweak and QCD measurements at CMS
• ATLAS EFT Results in the Top Quark Sector
• Probing effective operators in single top quark production in association with a lepton-neutrino pair
• Searches for new interactions within the SMEFT framework at present and future colliders