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Related papers: MadGolem: automating NLO calculations for New Phys…

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Numerous challenges in science and engineering can be framed as optimization tasks, including the maximization of reaction yields, the optimization of molecular and materials properties, and the fine-tuning of automated hardware protocols.…

Optimization and Control · Mathematics 2021-11-19 Matteo Aldeghi , Florian Häse , Riley J. Hickman , Isaac Tamblyn , Alán Aspuru-Guzik

In this paper we will describe two new optimisations implemented in MadGraph5_aMC@NLO, both of which are designed to speed-up the computation of leading-order processes (for any model). First we implement a new method to evaluate the…

High Energy Physics - Phenomenology · Physics 2021-04-26 Kiran Ostrolenk , Olivier Mattelaer

We present an extension of the MadGraph5_aMC@NLO framework that enables the automated calculation of leading-order cross sections for S-wave quarkonium and leptonium production within the non-relativistic QCD (NRQCD) and non-relativistic…

High Energy Physics - Phenomenology · Physics 2026-03-03 Alice Colpani Serri , Chris A. Flett , Jean-Philippe Lansberg , Olivier Mattelaer , Hua-Sheng Shao , Lukas Simon

If light--flavor squarks and gluinos are indeed heavy and chargino pair production is plagued with overwhelming backgrounds, pair production and associated production of stops and charginos will become the key signatures in the upcoming LHC…

High Energy Physics - Phenomenology · Physics 2014-10-15 Dorival Goncalves , David Lopez-Val , Kentarou Mawatari , Tilman Plehn

We present a python-based program for phenomenological investigations in particle physics using machine learning algorithms, called \verb"MLAnalysis". The program is able to convert LHE and LHCO files generated by \verb"MadGraph5_aMC@NLO"…

High Energy Physics - Phenomenology · Physics 2023-10-18 Yu-Chen Guo , Fan Feng , An Di , Shi-Qi Lu , Ji-Chong Yang

In this proceedings we present MadFlow, a new framework for the automation of Monte Carlo (MC) simulation on graphics processing units (GPU) for particle physics processes. In order to automate MC simulation for a generic number of…

Computational Physics · Physics 2021-09-08 Stefano Carrazza , Juan Cruz-Martinez , Marco Rossi , Marco Zaro

We present the interface between MadGraph5_aMC@NLO, a self-contained program that calculates cross sections up to next-to-leading order accuracy in an automated manner, and APPLgrid, a code that parametrises such cross sections in the form…

High Energy Physics - Phenomenology · Physics 2015-06-22 Valerio Bertone , Rikkert Frederix , Stefano Frixione , Juan Rojo , Mark Sutton

We uncover an effective and communicative set of agents working with MadGraph. Agentic installation, learning-by-doing training, and user support provide easy access to state-of-the-art simulations and accelerate LHC research. We show in…

High Energy Physics - Phenomenology · Physics 2026-04-08 Tilman Plehn , Daniel Schiller , Nikita Schmal

We present MadAnalysis 5, an analysis package dedicated to phenomenological studies of simulated collisions occurring in high-energy physics experiments. Within this framework, users are invited, through a user-friendly Python interpreter,…

High Energy Physics - Phenomenology · Physics 2015-05-27 Eric Conte , Béranger Dumont , Benjamin Fuks , Thibaut Schmitt

We here present some recent developments of MadGraph/MadEvent since the latest published version, 4.0. These developments include: Jet matching with Pythia parton showers for both Standard Model and Beyond the Standard Model processes,…

High Energy Physics - Phenomenology · Physics 2009-02-02 Johan Alwall , Pierre Artoisenet , Simon de Visscher , Claude Duhr , Rikkert Frederix , Michel Herquet , Olivier Mattelaer

In this talk we discuss recent progress concerning precise predictions for the LHC. We give a status report of an application of the GOLEM method to deal with multi-leg one-loop amplitudes, namely the next-to-leading order QCD corrections…

High Energy Physics - Phenomenology · Physics 2008-07-07 S. Karg , G. Sanguinetti

NLOX is a computer program for calculations in high-energy particle physics. It provides fully renormalized scattering matrix elements in the Standard Model of particle physics, up to one-loop accuracy for all possible coupling-power…

High Energy Physics - Phenomenology · Physics 2019-01-01 Steve Honeywell , Seth Quackenbush , Laura Reina , Christian Reuschle

In this talk we discuss recent progress concerning precise predictions for hadron colliders. We show results of two applications of tensor reduction using GOLEM methods: the next-to-leading order (NLO) corrections to $pp \to ZZ+$jet as an…

High Energy Physics - Phenomenology · Physics 2010-01-15 Stefan Karg , Thomas Binoth , Tanju Gleisberg , Nikolas Kauer , Michael Kramer , Qiang Li , Gregory Sanguinetti , Dieter Zeppenfeld

We present MadAnalysis 5, a new framework for phenomenological investigations at particle colliders. Based on a C++ kernel, this program allows to efficiently perform, in a straightforward and user-friendly fashion, sophisticated physics…

High Energy Physics - Phenomenology · Physics 2013-01-22 Eric Conte , Benjamin Fuks , Guillaume Serret

We detail the implementation of a multi-event interface for next-to-leading order (NLO) calculations in MadGraph5_aMC@NLO, allowing tree-level scattering amplitudes for multiple phase space points to be evaluated in each call to the…

High Energy Physics - Phenomenology · Physics 2026-02-11 Rikkert Frederix , Stefan Roiser , Robert Schöfbeck , Zenny Wettersten , Marco Zaro

We present the implementation, in the MadAnalysis 5 framework, of several ATLAS and CMS searches for supersymmetry in data recorded during the first run of the LHC. We provide extensive details on the validation of our implementations and…

High Energy Physics - Phenomenology · Physics 2015-02-10 B. Dumont , B. Fuks , S. Kraml , S. Bein , G. Chalons , E. Conte , S. Kulkarni , D. Sengupta , C. Wymant

This work presents advancements in model-agnostic searches for new physics at the Large Hadron Collider (LHC) through the application of event-based anomaly detection techniques utilizing unsupervised machine learning. We discuss the…

High Energy Physics - Phenomenology · Physics 2025-12-01 Wasikul Islam , Sergei Chekanov , Nicholas Luongo

We present an interface between the multipurpose NLO Monte Carlo tool MadGraph5_aMC@NLO and the automated one-loop amplitude generator GoSam. As a first application of this novel framework, we compute the NLO corrections to $pp \to…

High Energy Physics - Phenomenology · Physics 2017-07-19 Hans van Deurzen , Rikkert Frederix , Valentin Hirschi , Gionata Luisoni , Pierpaolo Mastrolia , Giovanni Ossola

In general-purpose particle detectors, the particle-flow algorithm may be used to reconstruct a comprehensive particle-level view of the event by combining information from the calorimeters and the trackers, significantly improving the…

Data Analysis, Statistics and Probability · Physics 2021-06-10 Joosep Pata , Javier Duarte , Jean-Roch Vlimant , Maurizio Pierini , Maria Spiropulu

Theoretical predictions for scattering processes with multi-particle final states at next-to-leading order (NLO) in perturbative QCD are essential to fully exploit the physics potential of present and future high-energy colliders. The…

High Energy Physics - Phenomenology · Physics 2012-02-28 Nikolas Kauer