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Using generative adversarial networks (GANs), we investigate the possibility of creating large amounts of analysis-specific simulated LHC events at limited computing cost. This kind of generative model is analysis specific in the sense that…

High Energy Physics - Experiment · Physics 2019-01-17 Bobak Hashemi , Nick Amin , Kaustuv Datta , Dominick Olivito , Maurizio Pierini

Event generation for the LHC can be supplemented by generative adversarial networks, which generate physical events and avoid highly inefficient event unweighting. For top pair production we show how such a network describes intermediate…

High Energy Physics - Phenomenology · Physics 2019-12-11 Anja Butter , Tilman Plehn , Ramon Winterhalder

LHC analyses directly comparing data and simulated events bear the danger of using first-principle predictions only as a black-box part of event simulation. We show how simulations, for instance, of detector effects can instead be inverted…

High Energy Physics - Phenomenology · Physics 2022-12-06 Marco Bellagente , Anja Butter , Gregor Kasieczka , Tilman Plehn , Ramon Winterhalder

Event generation with neural networks has seen significant progress recently. The big open question is still how such new methods will accelerate LHC simulations to the level required by upcoming LHC runs. We target a known bottleneck of…

High Energy Physics - Phenomenology · Physics 2021-04-28 Mathias Backes , Anja Butter , Tilman Plehn , Ramon Winterhalder

The increasing luminosities of future data taking at Large Hadron Collider and next generation collider experiments require an unprecedented amount of simulated events to be produced. Such large scale productions demand a significant amount…

Instrumentation and Detectors · Physics 2023-03-01 Lucio Anderlini , Matteo Barbetti , Denis Derkach , Nikita Kazeev , Artem Maevskiy , Sergei Mokhnenko

Generative Adversarial Networks (GANs) are powerful models able to synthesize data samples closely resembling the distribution of real data, yet the diversity of those generated samples is limited due to the so-called mode collapse…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Jan Dubiński , Kamil Deja , Sandro Wenzel , Przemysław Rokita , Tomasz Trzciński

A Generative-Adversarial Network (GAN) based on convolutional neural networks is used to simulate the production of pairs of jets at the LHC. The GAN is trained on events generated using MadGraph5 + Pythia8, and Delphes3 fast detector…

High Energy Physics - Experiment · Physics 2020-10-09 Riccardo Di Sipio , Michele Faucci Giannelli , Sana Ketabchi Haghighat , Serena Palazzo

Data-driven methods are widely used to overcome shortcomings of Monte Carlo simulations (lack of statistics, mismodeling of processes, etc.) in experimental high energy physics. A precise description of background processes is crucial to…

High Energy Physics - Experiment · Physics 2023-03-29 Victor Lohezic , Mehmet Ozgur Sahin , Fabrice Couderc , Julie Malcles

LHC physics crucially relies on our ability to simulate events efficiently from first principles. Modern machine learning, specifically generative networks, will help us tackle simulation challenges for the coming LHC runs. Such networks…

High Energy Physics - Phenomenology · Physics 2020-08-20 Anja Butter , Tilman Plehn

We propose a new method for event extraction (EE) task based on an imitation learning framework, specifically, inverse reinforcement learning (IRL) via generative adversarial network (GAN). The GAN estimates proper rewards according to the…

Computation and Language · Computer Science 2018-04-24 Tongtao Zhang , Heng Ji

Generative adversarial networks (GANs) are deep neural networks that allow us to sample from an arbitrary probability distribution without explicitly estimating the distribution. There is a generator that takes a latent vector as input and…

Machine Learning · Computer Science 2021-06-22 Alper Ahmetoğlu , Ethem Alpaydın

Semi-supervision in Machine Learning can be used in searches for new physics where the signal plus background regions are not labelled. This strongly reduces model dependency in the search for signals Beyond the Standard Model. This…

High Energy Physics - Phenomenology · Physics 2022-02-04 Thabang Lebese , Xifeng Ruan

We present an alternative perspective on the training of generative adversarial networks (GANs), showing that the training step for a GAN generator decomposes into two implicit subproblems. In the first, the discriminator provides new…

Machine Learning · Computer Science 2021-05-13 Romann M. Weber

We apply adversarial domain adaptation in unsupervised setting to reduce sample bias in a supervised high energy physics events classifier training. We make use of a neural network containing event and domain classifier with a gradient…

Machine Learning · Statistics 2021-08-20 Jose M. Clavijo , Paul Glaysher , Judith M. Katzy , Jenia Jitsev

We extend and improve the work of Model Agnostic Anchors for explanations on image classification through the use of generative adversarial networks (GANs). Using GANs, we generate samples from a more realistic perturbation distribution, by…

Machine Learning · Statistics 2019-06-04 Kurtis Evan David , Harrison Keane , Jun Min Noh

Generative adversarial networks are generative models that are capable of replicating the implicit probability distribution of the input data with high accuracy. Traditionally, GANs consist of a Generator and a Discriminator which interact…

Machine Learning · Computer Science 2022-11-15 Xin Wang

We are interested in the design of generative networks. The training of these mathematical structures is mostly performed with the help of adversarial (min-max) optimization problems. We propose a simple methodology for constructing such…

Machine Learning · Computer Science 2021-07-16 Kalliopi Basioti , George V. Moustakides

Generative neural samplers are probabilistic models that implement sampling using feedforward neural networks: they take a random input vector and produce a sample from a probability distribution defined by the network weights. These models…

Machine Learning · Statistics 2016-06-03 Sebastian Nowozin , Botond Cseke , Ryota Tomioka

Generative adversarial networks (GANs) learn a deep generative model that is able to synthesise novel, high-dimensional data samples. New data samples are synthesised by passing latent samples, drawn from a chosen prior distribution,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Antonia Creswell , Anil A Bharath

A critical question concerning generative networks applied to event generation in particle physics is if the generated events add statistical precision beyond the training sample. We show for a simple example with increasing dimensionality…

High Energy Physics - Phenomenology · Physics 2021-06-11 Anja Butter , Sascha Diefenbacher , Gregor Kasieczka , Benjamin Nachman , Tilman Plehn
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