REVIEW 1 minor 60 cited by
A unified framework automates tree-level and next-to-leading order differential cross sections along with parton-shower matching and sample merging.
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 →
T0 review · grok-4.3
2026-05-11 12:46 UTC pith:WS5WH2BV
load-bearing objection MadGraph5_aMC@NLO unifies tree-level, NLO QCD, MC@NLO matching and MLM merging in one flexible, parallelized program with UFO model input.
The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
A computer program handles parton-level fixed-order calculations, shower-matched results, and merged samples in a single framework whose defining features are flexibility, high parallelisation, and limitation of human intervention to input physics quantities. While next-to-leading order results are at first restricted to QCD corrections for standard-model processes, the user viewpoint requires no changes for corrections arising from any given renormalisable Lagrangian, and the implementation of those extensions is already under way.
What carries the argument
The unified automation framework that generates matrix elements, performs phase-space integration, applies parton-shower matching, and merges samples of differing light-parton multiplicity.
Load-bearing premise
Automation for any given renormalisable Lagrangian can be achieved without requiring the user to alter the program or its interface.
What would settle it
An explicit next-to-leading-order calculation for a chosen standard-model process that the program produces and that differs from an independent analytic or numerical result by more than the expected perturbative uncertainty.
If this is right
- Differential cross sections at next-to-leading order can be obtained and matched to parton showers for arbitrary processes with only physics input from the user.
- Samples with different light-parton multiplicities can be merged consistently within the same run.
- The identical workflow applies once non-QCD corrections from any renormalisable Lagrangian are incorporated.
- Large-scale parallel execution becomes available for collider phenomenology studies without additional user coding.
- Fixed-order, matched, and merged results are produced under one consistent interface.
Where Pith is reading between the lines
- The same automation pattern could be extended to higher perturbative orders or to electroweak corrections once those modules are completed.
- Experimental groups might incorporate the framework directly into analysis chains to generate theory predictions on demand.
- Model builders could test new renormalisable interactions against collider data with far less computational overhead than before.
- The reduction in manual setup time would allow more rapid iteration between theoretical proposals and numerical comparisons with data.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript presents the MadGraph5_aMC@NLO computer program for the automated computation of tree-level and next-to-leading order (NLO) differential cross sections, their matching to parton shower simulations, and the merging of matched samples that differ by light-parton multiplicities. It discusses the theoretical bases for these computations and demonstrates the program's capabilities through selected phenomenological applications relevant to the LHC and a 1-TeV e+e- collider. The framework is designed to be flexible and highly parallelized, with human intervention limited to input physics quantities. While the first public version restricts NLO results to QCD corrections for Standard Model processes, the design ensures that extensions to corrections from any renormalizable Lagrangian require no changes from the user perspective, with such implementations noted as being under development.
Significance. This work holds significant value for the field of high-energy physics phenomenology by providing a unified, automated framework that integrates fixed-order calculations, parton-shower matching, and merging techniques. The modular separation between model input in UFO format and the computation engines (such as FKS subtraction for NLO) supports the claim of broad applicability with minimal user effort. By demonstrating applications on LHC and e+e- examples, the paper illustrates practical utility for collider physics. The high level of parallelization and automation of established methods like MC@NLO matching and MLM-style merging enhances efficiency in generating predictions for complex processes. If the implementation details in the full manuscript validate the claims, this tool would substantially lower the barrier for performing state-of-the-art calculations.
minor comments (1)
- [Abstract] Abstract: the statement that 'the implementation of these are well under way' for non-QCD corrections could be clarified with a timeline or specific status to better inform readers about the current capabilities.
Simulated Author's Rebuttal
We thank the referee for the positive assessment of our manuscript and the recommendation to accept it for publication.
Circularity Check
No significant circularity in implementation description
full rationale
The paper describes the design and capabilities of the MadGraph5_aMC@NLO program for automating tree-level, NLO QCD, MC@NLO matching, and MLM merging computations. Its central claims concern software architecture (UFO model input, FKS subtraction, modular separation of physics input from computation engine) and are supported by explicit code structure and example applications rather than any derivation chain. No equations, predictions, or uniqueness theorems are presented that reduce by construction to fitted parameters, self-definitions, or self-citation load-bearing steps. The statement that extensions to arbitrary renormalisable Lagrangians require no user changes is framed as a realised design property, not a derived result. The work is self-contained against external benchmarks of established methods.
Axiom & Free-Parameter Ledger
axioms (1)
- domain assumption QCD corrections to Standard Model processes can be computed via known automated techniques
read the original abstract
We discuss the theoretical bases that underpin the automation of the computations of tree-level and next-to-leading order cross sections, of their matching to parton shower simulations, and of the merging of matched samples that differ by light-parton multiplicities. We present a computer program, MadGraph5_aMC@NLO, capable of handling all these computations -- parton-level fixed order, shower-matched, merged -- in a unified framework whose defining features are flexibility, high level of parallelisation, and human intervention limited to input physics quantities. We demonstrate the potential of the program by presenting selected phenomenological applications relevant to the LHC and to a 1-TeV $e^+e^-$ collider. While next-to-leading order results are restricted to QCD corrections to SM processes in the first public version, we show that from the user viewpoint no changes have to be expected in the case of corrections due to any given renormalisable Lagrangian, and that the implementation of these are well under way.
Forward citations
Cited by 60 Pith papers
-
Search for single vector-like quark production in opposite-sign dilepton final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No excess observed in search for vector-like top quark T to tH in opposite-sign dilepton final states; 95% CL upper limits on sigma times BR range from 2.0 pb at 600 GeV to 0.1 pb at 1000 GeV.
-
Generative models on phase space
Generative diffusion and flow models are constructed to remain exactly on the Lorentz-invariant massless N-particle phase space manifold during sampling for particle physics applications.
-
Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
ATLAS reports an 8+ sigma excess in ttbar production near threshold, consistent with NRQCD quasi-bound states and measuring 9.3 pb.
-
Quantum Tomography of Top Quarks as a Probe of Charge-Parity Violation
Combining the full 15-parameter spin-state (quantum tomography) data on top-quark pairs with a complete one-loop calculation bounds the CP-violating part of the top-Higgs coupling at a level comparable to dedicated tt...
-
The inseparable three and four tops
Full-NLO predictions for tttW production, combined with tttt through a new window-removal prescription, give a joint inclusive rate more than 10% above the on-shell four-top prediction.
-
First Search for Quirks at the LHC with FASER
FASER's first search for quirks found no candidates and excluded quirk masses up to ~179 GeV for infracolor confinement scales between 300 eV and 100 keV.
-
Off-shell Higgs boson measurements: Yukawa couplings, self-coupling, compositeness, and width
Using off-shell Higgs production in 138 fb^-1 of 13 TeV CMS data, the collaboration measured Γ_H = 5.1^{+2.0}_{-1.8} MeV, excluded no off-shell production at >5σ, and set the first direct 95% CL lower bound Λ_H > 870 ...
-
Benchmarking Machine Learning Architectures for ttH Multilepton Signal Sensitivity
A controlled benchmark of six ML classifiers on a new simulated ttH multilepton dataset finds symmetry-constrained graph models (Particle Transformer, LorentzNet) and azimuthal RoPE encoding outperform tabular baselines.
-
Learning Standard Model structure from LHC data with Riemannian flow matching
ShellFlow, a Riemannian flow-matching transformer fed only on-shell and invariant-mass priors and ~8×10^8 recorded ATLAS events, reproduces the SM's dilepton resonances, Weinberg angle, and top/W mass peaks in a singl...
-
Scattering Amplitudes as Programs: Self-Evolving Search for Theory and Event Generation
Self-evolving program search over scattering amplitudes discovers known and hybrid evaluation structures, cutting counted arithmetic ~48x and reaching within ~14x of optimized MadGraph at n=6 while beating the tested ...
-
Darkly Charged ALPs
Darkly charged ALPs (DALPs) forbid all d=5 ALP-SM operators and admit only two leading d=6 operators (Higgs portal and hypercharge portal), with distinct collider, cooling, and dark-matter phenomenology.
-
EFT Validity and Truncation Uncertainty from few Nuisance Parameters
SMEFT truncation uncertainty at O(Λ^{-4}) can be modeled by K≪N representative Wilson coefficients plus a decorrelated α=√2 PCA prior that covers full next-order effects in DY, Zh, and VBF.
-
One Generator, Any Process: LLM-Conditioning for the LHC
LLM embeddings condition generative networks for LHC events, yielding faster convergence, higher quality, and generalization to unseen processes.
-
Observation of electroweak production of pairs of Z bosons in proton-proton collisions at 13 TeV
CMS provides first evidence for electroweak ZZjj production in the ℓℓννjj final state with measured cross section 0.37 fb agreeing with SM prediction 0.39 fb at 3.1σ (5.0σ combined), plus limits on anomalous quartic g...
-
Charged Lepton Flavor Violation at Neutrino Telescopes
Proposes a new CLFV search in IceCube using cosmic-ray muons, deriving sensitivities for EFT operators and a Z' model, with comparisons to other experiments and projections for future telescopes.
-
AgentRivet: an automated system for producing Rivet routines from journal publications
AgentRivet applies commercial LLMs in an autonomous workflow to extract physics details from ATLAS and CMS papers and generate Rivet routines, achieving few syntax errors but occasional physics implementation issues o...
-
Search for low-mass resonances decaying to $\tau\tau$ and measurement of the $\Upsilon$ $\to$ $\tau\tau$ decay in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV
CMS measures Υ(1S,2S,3S) → τ⁺τ⁻ with 5.8σ significance and cross section 3.5 ± 0.7 (stat) ± 0.7 (syst) nb while setting 95% CL upper limits of 40-400 pb on spin-zero resonance production to ττ with no observed excess ...
-
Collider-Bench: Benchmarking AI Agents with Particle Physics Analysis Reproduction
Collider-Bench is a new benchmark showing that current LLM agents cannot reliably reproduce LHC analyses at the level of a physicist-in-the-loop.
-
Logarithmically-accurate showers with massive quarks
PanScales final-state showers now include quark masses at NLL accuracy while keeping original accuracy for massless observables.
-
Probing Boosted Light Scalars in the Type-I 2HDM
Boosted light scalars decaying to b b-bar in Type-I 2HDM can be tagged as double-b fat-jets and used with SM gauge bosons to probe heavy scalars up to 540 GeV at the HL-LHC for masses 30-70 GeV.
-
Decaying spin-3/2 dark matter from baryon number violation
Non-supersymmetric spin-3/2 dark matter with baryon-violating portals can explain the relic abundance through UV and Boltzmann-suppressed freeze-in, with viable parameter space constrained by indirect detection, direc...
-
Differential measurements of $\gamma\gamma\to\tau\tau$ and constraints on $\tau$-lepton electromagnetic moments in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}} = 5.02$ TeV with ATLAS
First differential cross-sections for γγ→ττ in Pb+Pb collisions yield 95% CL intervals -0.057 < a_τ < 0.035 and |d_τ| < 2.7×10^{-16} e cm.
-
Search for Long-Lived Dark Photons from Dark Radiation at the LHC
Dark radiation from dark matter produced in Z decays generates long-lived dark photons that dominate over meson decays and bremsstrahlung for small kinetic mixing and masses above the GeV scale, allowing FASER2, FACET...
-
Cascade Pipeline for Leading-Order Matrix Element Evaluation on AMD Versal AI Engine Arrays
A cascade pipeline architecture on AMD Versal AI Engine tiles projects 1 million matrix element evaluations per second at 54.8 W for gg→ttg, delivering 34× CPU speedup and 7.7× better energy efficiency with parts-per-...
-
Big Dipper, Help Me Find A Way -- Dip-hunting at hadron colliders
Parametric neural networks learn likelihood ratios to infer top-philic scalar resonances from dip patterns caused by signal-background interference in hadron collider data.
-
Probing Higgs and Top Interactions through the Muon Lens at multi-TeV Muon Colliders
A z=6.64 Little Red Dot host shows an AGN-driven ionised outflow reaching ~5500 km/s FWHM, with low mass-loading and clear LRD spectral signatures in the compact nucleus.
-
Evidence of ZZ$\gamma$ production and observation of $4\ell\gamma$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV
First evidence for ZZ gamma production at 3.7 sigma and observation of 4 lepton gamma at 5.0 sigma in CMS data at 13 TeV, with measured fiducial cross sections consistent with predictions.
-
Many Wrongs Make a Right: Leveraging Biased Simulations Towards Unbiased Parameter Inference
Template-Adapted Mixture Model uses many biased simulations for data-driven estimates of signal and background distributions, yielding unbiased signal fraction estimates with well-calibrated uncertainties.
-
Measurement of the jet mass in hadronic decays of boosted W bosons at 13 TeV and extraction of the W boson mass
Unfolded double-differential W+jets cross section versus jet p_T and soft-drop mass yields m_W = 80.83 ± 0.55 GeV, the most precise all-jets extraction at a hadron collider.
-
Probing compressed triplet scalars with ISR jets and soft leptons at the LHC
A cut-and-count analysis exploiting ISR jets and soft leptons can reach discovery sensitivity for compressed triplet scalars with 1-30 GeV splittings at 3000 fb^{-1}.
-
Resonance-aware parton-shower matching for off-shell top-antitop production with semi-leptonic decays at electron-positron colliders
A resonance-aware MC@NLO matching procedure preserves top-antitop line shapes when NLO QCD predictions for off-shell ttbar production at e+e− colliders are showered with Pythia8.
-
Fully differential Higgs boson pair production at N$^3$LO with top quark mass effects
First fully differential N3LO QCD predictions for gg->hh in the heavy-top limit, with NLO top-mass effects added; heavy-top scale uncertainty shrinks about 3x, to roughly 1-3%.
-
Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
ATLAS observes an excess over 8 sigma in ttbar production near threshold, consistent with NRQCD color-singlet S-wave quasi-bound states, with measured cross-section 9.3^{+1.4}_{-1.3} pb.
-
Energy Correlators of Spinning Sources
Spinning energy correlators classify the full Euler-angle dependence of N-point energy flux, obey generalized Hofman–Maldacena positivity bounds, and their ratios to inclusive correlators in QCD are largely insensitiv...
-
Enhanced active-sterile neutrino polarizability at the intensity frontier
A new neutrino-photon interaction involving a sterile neutrino is constrained at NOMAD and MiniBooNE, and a light-mediator realization can fit the MiniBooNE excess.
-
Automated computation of spin-density matrices and quantum observables for collider physics
An automated framework in MadGraph5_aMC@NLO computes tree-level production spin-density matrices and quantum observables for generic collider processes, with validation on ttbar and VV and new applications to multi-to...
-
Bayesian Constraints on Pre-Equilibrium Jet Quenching and Predictions for Oxygen Collisions
Bayesian constraints on early-time jet quenching from large collision systems yield predictions of measurable energy loss in oxygen-oxygen collisions.
-
Searching for a Charged Higgs Boson in Top-Quark Decays via the $WZ$ Mode
Recasting ttZ analyses yields sub-permille constraints on Br(t→H±b)×Br(H±→WZ) and vΔ≲2 GeV in the Y=0 Higgs triplet model, accompanied by a 2σ preference for a non-zero signal.
-
Probing Neutral Triple Gauge Couplings via $ZZ$ Production at $e^+e^-$ Colliders with Machine Learning
Formulates nTGC form factors from dim-8 SMEFT operators compatible with electroweak symmetry breaking and applies machine learning to fermion angular distributions to probe new physics scales up to multi-TeV in ZZ pro...
-
Stay Positive: Neural Refinement of Sample Weights
Neural refinement of Monte Carlo sample weights via phase-space scaling and a new resampling protocol that maintains averages and uncertainties.
-
Proposal for the validation of Monte Carlo implementations of the standard model effective field theory
Proposes a numerical cross-validation procedure for SMEFT Monte Carlo implementations by comparing linearized EFT amplitudes and their SM interferences at fixed points.
-
Search for Lorentz-boosted di-$\tau$ resonances produced in association with top quark pairs in $\sqrt{s}=13$ TeV pp collisions with the ATLAS detector
No excess is seen; ATLAS sets a 0.19 fb model-independent visible cross-section limit and 2HDM σ×BR limits of 0.4–0.05 pb for ma = 20–85 GeV using boosted di-τ reconstruction.
-
Search for pair-production of vector-like $T$ quarks decaying into a top quark and a spin-0 particle in the diphoton final state in proton proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
No excess is observed in a first ATLAS search for pair-produced vector-like T quarks decaying via an exotic spin-0 particle to diphotons; fiducial cross-section limits and a model exclusion up to m_T≈1620 GeV are set.
-
Search for dark matter in a signature with a four-prong large-radius jet in proton-proton collisions at $\sqrt{s}$ = 13 TeV
No significant excess is observed in the four-prong large-radius jet + MET signature; 95% CL upper limits are set on the signal strength versus mediator mass or χ₂χ₁Y₀ coupling.
-
Searching for charged Higgs bosons in top decays via the $t^*b$ channel
Reinterpretation of ATLAS dileptonic ttbb data sets 1.9–2.9% limits on Br(t→H±b)×Br(H±→t*b) for mH±=110–165 GeV, competitive in top-philic and top-specific 2HDMs.
-
Collider Probes of Dark Energy Microphysics
Derivative couplings of a k-essence dark-energy scalar to a 2HDM+a pseudoscalar make the mediator’s invisible width and kinematics depend on the dark-energy sound speed c_s².
-
Search for $\textit{tH}$ production in the $ H \to \tau\tau$ decay mode, and a combination with other searches, using $\textit{pp}$ collisions at 13 TeV and 13.6 TeV with the ATLAS detector
ATLAS's combined tH search, including a new H→ττ channel, measures μ_tH = 3.3 ± 1.6 times the SM, with 2.3σ observed significance and an observed 95% CL limit of 6.1×SM.
-
Search for heavy Majorana neutrinos in vector boson scattering with $\tau$-lepton final states with the ATLAS detector
ATLAS finds no evidence for heavy Majorana neutrinos in same-sign tau-lepton final states and sets new 95% CL upper limits on |V_τN|², reaching 0.30 at m_N = 900 GeV and extending to m_N = 6.5 TeV.
-
Automated NRQCD and NRQED simulations of quarkonium and leptonium production with P-wave states and physical-mass effects
MadSONS extends MadGraph to automated LO NRQCD/NRQED event generation for arbitrary S- and P-wave bound states, with dual-number projectors and physical-mass reshuffling.
-
Observation of the electroweak production of $\gamma\gamma jj$ at $\sqrt{s}=13$ TeV in $140\ \text{fb}^{-1}$ of $pp$ collision data with the ATLAS detector
ATLAS observes the electroweak production of gamma-gamma plus two jets at 6.2 sigma and measures 13.8 fb, consistent with the Standard Model.
-
SET-ANUBIS: a modular pipeline for ANUBIS long-lived particle sensitivity studies
SET-ANUBIS provides an auditable, modular pipeline for computing ANUBIS long-lived-particle acceptances and sensitivities, with a v1.0.0 release reproducibility suite.
-
Quantum detection of CP violation in the $t\bar{t}$ system: tomography
Polar-angle tomography reconstructs the ttbar production density matrix while b–lepton azimuthal sine modulations linearly probe CP-odd Wtb decay couplings, separating production from decay CP violation.
-
Quantum detection of CP violation in the $t\bar{t}$ system: production
CP-odd SMEFT top interactions appear as ΔB and antisymmetric C_A in the tt̄ production density matrix; direct markers beat most QI measures for CP sensitivity at LHC and FCC-ee.
-
Light Dark Matter Discovery Potential and Model Selection at LDMX
LDMX Phase II is projected to discover R=2.5 thermal complex-scalar DM at 5σ and to discriminate dark-photon electromagnetic-moment models via 2D Bayes factors.
-
Agentic Re-Casting using Agentic Re-Simulations
An agentic AI system with a physicist in the loop re-casts an ATLAS ttZ measurement into a global top-quark SMEFT fit and recovers injected coloron Wilson coefficients in a repeatable benchmark.
-
Simultaneous extraction of top quark mass, strong coupling, effective mixing angle, and proton PDFs using inclusive DIS and proton-proton collision data
A single xFitter global fit extracts PDFs, alpha_s(mZ), top pole mass, and sin^2 theta_eff simultaneously at NNLO, with NLO NRQCD threshold corrections, yielding m_t=172.59 GeV, alpha_s=0.1179, sin^2 theta_eff=0.23142.
-
ALP pair production at the LHC
Non-resonant gg→aa→4γ production could constrain the dimension-6 ALP-gluon coupling down to ~10^-3 TeV^-2 at 300 fb^-1, but the allowed parameter space remains unbounded along multiple flat directions.
-
Direct constraints on the agnostic $\nu$SMEFT from heavy-neutrino searches at the LHC
A recast of CMS same-sign-dimuon data places the first direct bounds on the agnostic νSMEFT, excluding couplings below ~5.8×10⁻⁷ GeV⁻² at m_N≈1.5 TeV.
-
Measurements of the electroweak production of a $W$ boson in association with two jets at $\sqrt{s}=13\,\mathrm{TeV}$ with the ATLAS detector
First differential electroweak W+two-jet cross sections at 13 TeV agree with the Standard Model and give competitive constraints on anomalous triple-gauge-boson couplings.
-
Evidence for longitudinally polarised $Z$ bosons in electroweak $W^{\pm}Z$ production in association with two jets from $pp$ collisions at $\sqrt{s} = $ 13 TeV and 13.6 TeV with the ATLAS detector
First measurement of the fraction of longitudinally polarised Z bosons in electroweak WZ+two-jet production: f_X0 = 0.32 ± 0.09, a 4.0σ signal consistent with the Standard Model.
Reference graph
Works this paper leans on
-
[1]
D. J. Gross and F. Wilczek, Ultraviolet Behavior of Nonabelian Gauge Theories , Phys.Rev.Lett. 30 (1973) 1343–1346
work page 1973
-
[2]
H. D. Politzer, Reliable Perturbative Results for Strong Interactions? , Phys.Rev.Lett. 30 (1973) 1346–1349
work page 1973
-
[3]
T. Appelquist and H. Georgi, e+e− annihilation in gauge theories of strong interactions , Phys.Rev. D8 (1973) 4000–4002
work page 1973
-
[4]
G. F. Sterman and S. Weinberg, Jets from Quantum Chromodynamics , Phys.Rev.Lett. 39 (1977) 1436
work page 1977
- [5]
-
[6]
W. A. Bardeen, A. Buras, D. Duke, and T. Muta, Deep Inelastic Scattering Beyond the Leading Order in Asymptotically Free Gauge Theories , Phys.Rev. D18 (1978) 3998
work page 1978
-
[7]
G. Altarelli, R. K. Ellis, and G. Martinelli, Leptoproduction and Drell-Yan Processes Beyond the Leading Approximation in Chromodynamics , Nucl.Phys. B143 (1978) 521
work page 1978
-
[8]
W. Celmaster and R. J. Gonsalves, Fourth Order QCD Contributions to the e+e− Annihilation Cross-Section, Phys.Rev. D21 (1980) 3112
work page 1980
-
[9]
R. K. Ellis, D. Ross, and A. Terrano, The Perturbative Calculation of Jet Structure in e+e− Annihilation, Nucl.Phys. B178 (1981) 421
work page 1981
-
[10]
Three-jet cross sections to next-to-leading order
S. Frixione, Z. Kunszt, and A. Signer, Three jet cross-sections to next-to-leading order , Nucl.Phys. B467 (1996) 399–442, [ hep-ph/9512328]
work page Pith review arXiv 1996
-
[11]
A General Algorithm for Calculating Jet Cross Sections in NLO QCD
S. Catani and M. Seymour, A General algorithm for calculating jet cross-sections in N LO QCD, Nucl.Phys. B485 (1997) 291–419, [ hep-ph/9605323]
work page Pith review arXiv 1997
-
[12]
A general approach to jet cross sections in QCD
S. Frixione, A General approach to jet cross-sections in QCD , Nucl.Phys. B507 (1997) 295–314, [ hep-ph/9706545]
work page Pith review arXiv 1997
-
[13]
D. A. Kosower, Antenna factorization of gauge theory amplitudes , Phys.Rev. D57 (1998) 5410–5416, [ hep-ph/9710213]
work page internal anchor Pith review arXiv 1998
-
[14]
J. M. Campbell, M. Cullen, and E. N. Glover, Four jet event shapes in electron–positron annihilation, Eur.Phys.J. C9 (1999) 245–265, [ hep-ph/9809429]
work page internal anchor Pith review arXiv 1999
-
[15]
Z. Bern, L. J. Dixon, D. C. Dunbar, and D. A. Kosower, One-loop n-point gauge theory amplitudes, unitarity and collinear limits , Nucl.Phys. B425 (1994) 217–260, [hep-ph/9403226]. – 138 –
work page Pith review arXiv 1994
-
[16]
F. del Aguila and R. Pittau, Recursive numerical calculus of one-loop tensor integrals , JHEP 0407 (2004) 017, [ hep-ph/0404120]
work page internal anchor Pith review arXiv 2004
-
[17]
Z. Bern, L. J. Dixon, and D. A. Kosower, Bootstrapping multi-parton loop amplitudes in QCD, Phys.Rev. D73 (2006) 065013, [ hep-ph/0507005]
work page Pith review arXiv 2006
-
[18]
Reducing full one-loop amplitudes to scalar integrals at the integrand level
G. Ossola, C. G. Papadopoulos, and R. Pittau, Reducing full one-loop amplitudes to scalar integrals at the integrand level , Nucl.Phys. B763 (2007) 147–169, [ hep-ph/0609007]
work page Pith review arXiv 2007
-
[19]
D-dimensional unitarity cut method
C. Anastasiou, R. Britto, B. Feng, Z. Kunszt, and P. Mastrolia , D-dimensional unitarity cut method, Phys.Lett. B645 (2007) 213–216, [ hep-ph/0609191]
work page Pith review arXiv 2007
-
[20]
Unitarity cuts and reduction to master integrals in d dimensions for one-loop amplitudes
C. Anastasiou, R. Britto, B. Feng, Z. Kunszt, and P. Mastrolia , Unitarity cuts and Reduction to master integrals in d dimensions for one-loop a mplitudes, JHEP 0703 (2007) 111, [ hep-ph/0612277]
work page Pith review arXiv 2007
-
[21]
R. K. Ellis, W. Giele, and Z. Kunszt, A Numerical Unitarity Formalism for Evaluating One-Loop Amplitudes, JHEP 0803 (2008) 003, [ arXiv:0708.2398]
work page Pith review arXiv 2008
-
[22]
R. K. Ellis, W. T. Giele, Z. Kunszt, and K. Melnikov, Masses, fermions and generalized D-dimensional unitarity , Nucl.Phys. B822 (2009) 270–282, [ arXiv:0806.3467]
work page internal anchor Pith review arXiv 2009
-
[23]
W. T. Giele, Z. Kunszt, and K. Melnikov, Full one-loop amplitudes from tree amplitudes , JHEP 0804 (2008) 049, [ arXiv:0801.2237]
work page Pith review arXiv 2008
-
[24]
Scattering Amplitudes with Open Loops
F. Cascioli, P. Maierhofer, and S. Pozzorini, Scattering Amplitudes with Open Loops , Phys.Rev.Lett. 108 (2012) 111601, [ arXiv:1111.5206]
work page Pith review arXiv 2012
-
[25]
Integrand reduction of one-loop scattering amplitudes through Laurent series expansion
P. Mastrolia, E. Mirabella, and T. Peraro, Integrand reduction of one-loop scattering amplitudes through Laurent series expansion , JHEP 1206 (2012) 095, [ arXiv:1203.0291]
work page Pith review arXiv 2012
-
[26]
Matching NLO QCD computations and parton shower simulations
S. Frixione and B. R. Webber, Matching NLO QCD computations and parton shower simulations, JHEP 0206 (2002) 029, [ hep-ph/0204244]
work page Pith review arXiv 2002
-
[27]
A New Method for Combining NLO QCD with Shower Monte Carlo Algorithms
P. Nason, A New method for combining NLO QCD with shower Monte Carlo alg orithms, JHEP 0411 (2004) 040, [ hep-ph/0409146]
work page internal anchor Pith review Pith/arXiv arXiv 2004
-
[28]
M. Dobbs, Incorporating next-to-leading order matrix elements for h adronic diboson production in showering event generators , Phys.Rev. D64 (2001) 034016, [ hep-ph/0103174]
work page internal anchor Pith review arXiv 2001
-
[29]
Y.-j. Chen, J. Collins, and X.-m. Zu, NLO corrections in MC event generator for angular distribution of Drell-Yan lepton pair production , JHEP 0204 (2002) 041, [ hep-ph/0110257]
work page internal anchor Pith review arXiv 2002
-
[30]
Y. Kurihara, J. Fujimoto, T. Ishikawa, K. Kato, S. Kawabata, et al., QCD event generators with next-to-leading order matrix elements and parton show ers, Nucl.Phys. B654 (2003) 301–319, [ hep-ph/0212216]
work page internal anchor Pith review arXiv 2003
-
[31]
Matching parton showers to NLO computations
Z. Nagy and D. E. Soper, Matching parton showers to NLO computations , JHEP 0510 (2005) 024, [ hep-ph/0503053]
work page Pith review arXiv 2005
-
[32]
C. W. Bauer and M. D. Schwartz, Event Generation from Effective Field Theory , Phys.Rev. D76 (2007) 074004, [ hep-ph/0607296]
work page internal anchor Pith review arXiv 2007
-
[33]
Parton showers with quantum interference
Z. Nagy and D. E. Soper, Parton showers with quantum interference , JHEP 0709 (2007) 114, [ arXiv:0706.0017]
work page Pith review arXiv 2007
-
[34]
W. T. Giele, D. A. Kosower, and P. Z. Skands, A simple shower and matching algorithm , Phys.Rev. D78 (2008) 014026, [ arXiv:0707.3652]. – 139 –
work page Pith review arXiv 2008
-
[35]
C. W. Bauer, F. J. Tackmann, and J. Thaler, GenEvA. I. A New framework for event generation, JHEP 0812 (2008) 010, [ arXiv:0801.4026]
work page internal anchor Pith review arXiv 2008
-
[36]
A critical appraisal of NLO+PS matching methods
S. Hoeche, F. Krauss, M. Schonherr, and F. Siegert, A critical appraisal of NLO+PS matching methods, JHEP 1209 (2012) 049, [ arXiv:1111.1220]
work page Pith review arXiv 2012
-
[37]
NNLOPS simulation of Higgs boson production
K. Hamilton, P. Nason, E. Re, and G. Zanderighi, NNLOPS simulation of Higgs boson production, JHEP 1310 (2013) 222, [ arXiv:1309.0017]
work page Pith review arXiv 2013
-
[38]
J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer, and T. Stelzer, MadGraph 5 : Going Beyond, JHEP 1106 (2011) 128, [ arXiv:1106.0522]
work page Pith review arXiv 2011
-
[39]
Automatic Generation of Tree Level Helicity Amplitudes
T. Stelzer and W. Long, Automatic generation of tree level helicity amplitudes , Comput.Phys.Commun. 81 (1994) 357–371, [ hep-ph/9401258]
work page Pith review arXiv 1994
-
[40]
An Algorithm to Compute Born Scattering Amplitudes without Feynman Graphs
F. Caravaglios and M. Moretti, An algorithm to compute Born scattering amplitudes without Feynman graphs, Phys.Lett. B358 (1995) 332–338, [ hep-ph/9507237]
work page Pith review arXiv 1995
-
[41]
F. Yuasa, J. Fujimoto, T. Ishikawa, M. Jimbo, T. Kaneko, et al., Automatic computation of cross-sections in HEP: Status of GRACE system , Prog.Theor.Phys.Suppl. 138 (2000) 18–23, [hep-ph/0007053]
work page internal anchor Pith review arXiv 2000
-
[42]
HELAC: a package to compute electroweak helicity amplitudes
A. Kanaki and C. G. Papadopoulos, HELAC: A Package to compute electroweak helicity amplitudes, Comput.Phys.Commun. 132 (2000) 306–315, [ hep-ph/0002082]
work page Pith review arXiv 2000
-
[43]
O'Mega: An Optimizing Matrix Element Generator
M. Moretti, T. Ohl, and J. Reuter, O’Mega: An Optimizing matrix element generator , hep-ph/0102195
work page internal anchor Pith review arXiv
-
[44]
AMEGIC++ 1.0, A Matrix Element Generator In C++
F. Krauss, R. Kuhn, and G. Soff, AMEGIC++ 1.0: A Matrix element generator in C++ , JHEP 0202 (2002) 044, [ hep-ph/0109036]
work page Pith review arXiv 2002
-
[45]
M. L. Mangano, M. Moretti, F. Piccinini, R. Pittau, and A. D. Polos a, ALPGEN, a generator for hard multiparton processes in hadronic colli sions, JHEP 0307 (2003) 001, [hep-ph/0206293]
work page Pith review arXiv 2003
-
[46]
J. Fujimoto, T. Ishikawa, M. Jimbo, T. Kaneko, K. Kato, et al., GRACE/SUSY automatic generation of tree amplitudes in the minimal supersymmetri c standard model , Comput.Phys.Commun. 153 (2003) 106–134, [ hep-ph/0208036]
work page internal anchor Pith review arXiv 2003
-
[47]
CompHEP 4.4 - Automatic Computations from Lagrangians to Events
CompHEP Collaboration, E. Boos et al., CompHEP 4.4: Automatic computations from Lagrangians to events , Nucl.Instrum.Meth. A534 (2004) 250–259, [ hep-ph/0403113]
work page Pith review arXiv 2004
-
[48]
S. Tsuno, T. Kaneko, Y. Kurihara, S. Odaka, and K. Kato, GR@PPA 2.7 event generator for pp / p¯p collisions, Comput.Phys.Commun. 175 (2006) 665–677, [ hep-ph/0602213]
work page internal anchor Pith review arXiv 2006
-
[49]
Helac-Phegas: a generator for all parton level processes
A. Cafarella, C. G. Papadopoulos, and M. Worek, Helac-Phegas: A Generator for all parton level processes, Comput.Phys.Commun. 180 (2009) 1941–1955, [ arXiv:0710.2427]
work page Pith review arXiv 2009
-
[50]
WHIZARD: Simulating Multi-Particle Processes at LHC and ILC
W. Kilian, T. Ohl, and J. Reuter, WHIZARD: Simulating Multi-Particle Processes at LHC and ILC , Eur.Phys.J. C71 (2011) 1742, [ arXiv:0708.4233]
work page Pith review arXiv 2011
-
[51]
MadGraph/MadEvent v4: The New Web Generation
J. Alwall, P. Demin, S. de Visscher, R. Frederix, M. Herquet, et a l., MadGraph/MadEvent v4: The New Web Generation , JHEP 0709 (2007) 028, [ arXiv:0706.2334]
work page Pith review arXiv 2007
-
[52]
Comix, a new matrix element generator
T. Gleisberg and S. Hoeche, Comix, a new matrix element generator , JHEP 0812 (2008) 039, [ arXiv:0808.3674]. – 140 –
work page Pith review arXiv 2008
-
[53]
CalcHEP 3.4 for collider physics within and beyond the Standard Model
A. Belyaev, N. D. Christensen, and A. Pukhov, CalcHEP 3.4 for collider physics within and beyond the Standard Model , Comput.Phys.Commun. 184 (2013) 1729–1769, [arXiv:1207.6082]
work page Pith review arXiv 2013
-
[54]
Automatized One-Loop Calculations in 4 and D dimensions
T. Hahn and M. Perez-Victoria, Automatized one loop calculations in four-dimensions and D-dimensions, Comput.Phys.Commun. 118 (1999) 153–165, [ hep-ph/9807565]
work page Pith review arXiv 1999
-
[55]
Generating Feynman Diagrams and Amplitudes with FeynArts 3
T. Hahn, Generating Feynman diagrams and amplitudes with FeynArts 3 , Comput.Phys.Commun. 140 (2001) 418–431, [ hep-ph/0012260]
work page Pith review arXiv 2001
-
[56]
Automating dipole subtraction for QCD NLO calculations
T. Gleisberg and F. Krauss, Automating dipole subtraction for QCD NLO calculations , Eur.Phys.J. C53 (2008) 501–523, [ arXiv:0709.2881]
work page Pith review arXiv 2008
-
[57]
An Automated Implementation of On-Shell Methods for One-Loop Amplitudes
C. Berger, Z. Bern, L. Dixon, F. Febres Cordero, D. Forde, e t al., An Automated Implementation of On-Shell Methods for One-Loop Amplitude s, Phys.Rev. D78 (2008) 036003, [ arXiv:0803.4180]
work page Pith review arXiv 2008
-
[58]
R. Frederix, T. Gehrmann, and N. Greiner, Automation of the Dipole Subtraction Method in MadGraph/MadEvent, JHEP 0809 (2008) 122, [ arXiv:0808.2128]
work page internal anchor Pith review arXiv 2008
-
[59]
W. Giele and G. Zanderighi, On the Numerical Evaluation of One-Loop Amplitudes: The Gluonic Case , JHEP 0806 (2008) 038, [ arXiv:0805.2152]
work page internal anchor Pith review arXiv 2008
-
[60]
M. Czakon, C. Papadopoulos, and M. Worek, Polarizing the Dipoles , JHEP 0908 (2009) 085, [ arXiv:0905.0883]
work page Pith review arXiv 2009
-
[61]
Automation of next-to-leading order computations in QCD: the FKS subtraction
R. Frederix, S. Frixione, F. Maltoni, and T. Stelzer, Automation of next-to-leading order computations in QCD: The FKS subtraction , JHEP 0910 (2009) 003, [ arXiv:0908.4272]
work page Pith review arXiv 2009
-
[62]
K. Hasegawa, S. Moch, and P. Uwer, AutoDipole: Automated generation of dipole subtraction terms , Comput.Phys.Commun. 181 (2010) 1802–1817, [ arXiv:0911.4371]
work page internal anchor Pith review arXiv 2010
-
[63]
Automating the POWHEG method in Sherpa
S. Hoche, F. Krauss, M. Schonherr, and F. Siegert, Automating the POWHEG method in Sherpa, JHEP 1104 (2011) 024, [ arXiv:1008.5399]
work page Pith review arXiv 2011
-
[64]
A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX
S. Alioli, P. Nason, C. Oleari, and E. Re, A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX , JHEP 1006 (2010) 043, [arXiv:1002.2581]
work page internal anchor Pith review arXiv 2010
-
[65]
P. Mastrolia, G. Ossola, T. Reiter, and F. Tramontano, Scattering AMplitudes from Unitarity-based Reduction Algorithm at the Integrand-lev el, JHEP 1008 (2010) 080, [arXiv:1006.0710]
work page internal anchor Pith review arXiv 2010
-
[66]
R. Frederix, T. Gehrmann, and N. Greiner, Integrated dipoles with MadDipole in the MadGraph framework, JHEP 1006 (2010) 086, [ arXiv:1004.2905]
work page internal anchor Pith review arXiv 2010
-
[67]
S. Becker, C. Reuschle, and S. Weinzierl, Numerical NLO QCD calculations , JHEP 1012 (2010) 013, [ arXiv:1010.4187]
work page internal anchor Pith review arXiv 2010
-
[68]
Automation of one-loop QCD corrections
V. Hirschi, R. Frederix, S. Frixione, M. V. Garzelli, F. Maltoni, et a l., Automation of one-loop QCD corrections , JHEP 1105 (2011) 044, [ arXiv:1103.0621]
work page Pith review arXiv 2011
-
[69]
G. Bevilacqua, M. Czakon, M. Garzelli, A. van Hameren, A. Kardo s, et al., HELAC-NLO, Comput.Phys.Commun. 184 (2013) 986–997, [ arXiv:1110.1499]
work page Pith review arXiv 2013
-
[70]
S. Becker, D. Goetz, C. Reuschle, C. Schwan, and S. Weinzierl, NLO results for five, six and seven jets in electron-positron annihilation , Phys.Rev.Lett. 108 (2012) 032005, [arXiv:1111.1733]. – 141 –
work page internal anchor Pith review arXiv 2012
-
[71]
Automated One-Loop Calculations with GoSam
G. Cullen, N. Greiner, G. Heinrich, G. Luisoni, P. Mastrolia, et al., Automated One-Loop Calculations with GoSam , Eur.Phys.J. C72 (2012) 1889, [ arXiv:1111.2034]
work page Pith review arXiv 2012
-
[72]
T. Binoth, D. Goncalves Netto, D. Lopez-Val, K. Mawatari, T. P lehn, et al., Automized Squark-Neutralino Production to Next-to-Leading Order , Phys.Rev. D84 (2011) 075005, [arXiv:1108.1250]
work page internal anchor Pith review arXiv 2011
-
[73]
S. Agrawal, T. Hahn, and E. Mirabella, FormCalc 7, J.Phys.Conf.Ser. 368 (2012) 012054, [arXiv:1112.0124]
work page internal anchor Pith review arXiv 2012
-
[74]
Z. Bern, G. Diana, L. Dixon, F. Febres Cordero, S. Hoeche, et al., Four-Jet Production at the Large Hadron Collider at Next-to-Leading Order in QCD , Phys.Rev.Lett. 109 (2012) 042001, [ arXiv:1112.3940]
work page internal anchor Pith review arXiv 2012
-
[75]
Recursive generation of one-loop amplitudes in the Standard Model
S. Actis, A. Denner, L. Hofer, A. Scharf, and S. Uccirati, Recursive generation of one-loop amplitudes in the Standard Model , JHEP 1304 (2013) 037, [ arXiv:1211.6316]
work page Pith review arXiv 2013
-
[76]
Numerical evaluation of virtual corrections to multi-jet production in massless QCD
S. Badger, B. Biedermann, P. Uwer, and V. Yundin, Numerical evaluation of virtual corrections to multi-jet production in massless QCD , Comput.Phys.Commun. 184 (2013) 1981–1998, [ arXiv:1209.0100]
work page Pith review arXiv 2013
-
[77]
D. Goncalves-Netto, D. Lopez-Val, K. Mawatari, T. Plehn, and I. Wigmore, Automated Squark and Gluino Production to Next-to-Leading Order , Phys.Rev. D87 (2013) 014002, [arXiv:1211.0286]
work page internal anchor Pith review arXiv 2013
-
[78]
S. Badger, B. Biedermann, P. Uwer, and V. Yundin, Computation of multi-leg amplitudes with NJet , arXiv:1312.7140
work page internal anchor Pith review arXiv
-
[79]
Z. Bern, L. Dixon, F. F. Cordero, S. Hoeche, H. Ita, et al., The BlackHat Library for One-Loop Amplitudes, arXiv:1310.2808
work page internal anchor Pith review arXiv
-
[80]
H. van Deurzen, G. Luisoni, P. Mastrolia, E. Mirabella, G. Ossola, et al., Multi-leg One-loop Massive Amplitudes from Integrand Reduction via Laurent Ex pansion, JHEP 1403 (2014) 115, [ arXiv:1312.6678]
work page internal anchor Pith review arXiv 2014
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.