452 citations · 4.1k across the 46 of their papers we have counts for
49 papers · 1 filter
Efficient negative-weight elimination in large high-multiplicity Monte Carlo event samples
Jeppe R. Andersen, Andreas Maier, Daniel Maître
We demonstrate that cell resampling can eliminate the bulk of negative event weights in large event samples of high multiplicity processes without discernible loss of accuracy in t…
One-loop matrix element emulation with factorisation awareness
D. Maître, H. Truong
In this article we present an emulation strategy for one-loop matrix elements. This strategy is based on the factorisation properties of matrix elements and is an extension of the…
Machine Learning and LHC Event Generation
Anja Butter, Tilman Plehn, Steffen Schumann +48
First-principle simulations are at the heart of the high-energy physics research program. They link the vast data output of multi-purpose detectors with fundamental theory predicti…
A factorisation-aware Matrix element emulator
Daniel Maître, Henry Truong
In this article we present a neural network based model to emulate matrix elements. This model improves on existing methods by taking advantage of the known factorisation propertie…
Two-Loop Five-Parton Leading-Colour Finite Remainders in the Spinor-Helicity Formalism
Giuseppe De Laurentis, Daniel Maître
We present all two-loop five-parton leading-colour finite remainders in the spinor-helicity formalism by analysing numerical evaluations of their known expressions in terms of Mand…
Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report
S. Amoroso, P. Azzurri, J. Bendavid +80
This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments for high precision Standard Model cal…
Extracting analytical one-loop amplitudes from numerical evaluations
Giuseppe De Laurentis, Daniel Maître
In this article we present a method to generate analytic expressions for the integral coefficients of loop amplitudes using numerical evaluations only. We use high-precision arithm…
Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report
J. Bendavid, F. Caola, V. Ciulli +102
This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Weak Vector Boson Production with Many Jets at the LHC TeV
F. R. Anger, F. Febres Cordero, S. Höche +1
Signatures with an electroweak vector boson and many jets play a crucial role at the Large Hadron Collider, both in the measurement of Standard-Model parameters and in searches for…
Strong coupling constant extraction from high-multiplicity Z+jets observables
Mark Johnson, Daniel Maître
We present a strong coupling constant extraction at Next-to-Leading Order QCD accuracy using ATLAS Z+2,3,4 jets data. This is the first extraction using processes with a dependency…
N(N)LO event files: applications and prospects
Gudrun Heinrich, Mark Johnson, Daniel Maitre
In this contribution we comment on the use of NLO n-Tuples and consider their extension to NNLO. As an application of n-Tuples we present preliminary results of a strong coupling e…
Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report
S. Badger, J. Bendavid, V. Ciulli +92
This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard…
Extrapolating W-Associated Jet-Production Ratios at the LHC
Z. Bern, L. J. Dixon, F. Febres Cordero +4
Electroweak vector-boson production, accompanied by multiple jets, is an important background to searches for physics beyond the Standard Model. A precise and quantitative understa…
Universality in W+Multijet Production
Z. Bern, L. J. Dixon, F. Febres Cordero +5
We study -boson production accompanied by multiple jets at 7 TeV at the LHC. We study the jet-production ratio, of total cross sections for +- to +()-jet productio…
High multiplicity processes with BlackHat and Sherpa
Jeppe R. Andersen, Stephanie Bartle, Zvi Bern +7
In this contribution, we present an intermediate storage format for next-to-leading order (NLO) events and explain the advantages of presenting a NLO calculation in this format. We…
Les Houches 2013: Physics at TeV Colliders: Standard Model Working Group Report
J. Butterworth, G. Dissertori, S. Dittmaier +76
This Report summarizes the proceedings of the 2013 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt primarily with (1) the techniques for calculating standard mode…
Next-to-Leading Order Gamma Gamma + 2-Jet Production at the LHC
Z. Bern, L. J. Dixon, F. Febres Cordero +5
We present next-to-leading order QCD predictions for cross sections and for a comprehensive set of distributions in diphoton + 2-jet production at the Large Hadron Collider. We con…
Next-to-leading order diphoton+2-jet production at the LHC
Z. Bern, L. J. Dixon, F. Febres Cordero +5
We present results from a recent calculation of prompt photon-pair production in association with two jets to next-to-leading order (NLO) at the LHC. The virtual contribution is ev…
Report of the Snowmass 2013 energy frontier QCD working group
J. M. Campbell, K. Hatakeyama, J. Huston +51
This is the summary report of the energy frontier QCD working group prepared for Snowmass 2013. We review the status of tools, both theoretical and experimental, for understanding…
High multiplicity W+jets predictions at NLO
Z. Bern, L. J. Dixon, F. Febres Cordero +5
In these proceedings we present results from a recent calculation for the production of a W boson in conjunction with five jets at next-to-leading order in perturbative QCD. We als…
Simulated NNLO for high-pT observables in vector boson + jets production at the LHC
Daniel Maître, Sebastian Sapeta
We present a study of higher order QCD corrections beyond NLO to processes with an electroweak vector boson, W or Z, in association with jets. We focus on the regions of high trans…
Next-to-Leading Order W + 5-Jet Production at the LHC
Z. Bern, L. J. Dixon, F. Febres Cordero +5
We present next-to-leading order QCD predictions for the total cross section and for a comprehensive set of transverse-momentum distributions in W + 5-jet production at the Large H…
High multiplicity processes at NLO with BlackHat and Sherpa
Zvi Bern, Kemal Ozeren, Lance J. Dixon +5
In this contribution we review recent progress with fixed-order QCD predictions for the production of a vector boson in association with jets at hadron colliders, using the program…
Missing Energy and Jets for Supersymmetry Searches
Z. Bern, G. Diana, L. J. Dixon +6
We extend our investigation of backgrounds to new physics signals, following CMS's data-driven search for supersymmetry at the LHC. The aim is to use different sets of cuts in gamm…