no code implementations • 11 Mar 2025 • Benjamin Sluijter, Sascha Diefenbacher, Wahid Bhimji, Benjamin Nachman
We find that both the direct likelihood and likelihood ratio estimation are able to effectively extract parameters with reasonable uncertainties.
no code implementations • 4 Nov 2024 • Anja Butter, Sascha Diefenbacher, Nathan Huetsch, Vinicius Mikuni, Benjamin Nachman, Sofia Palacios Schweitzer, Tilman Plehn
Machine learning enables unbinned, highly-differential cross section measurements.
no code implementations • 28 Oct 2024 • Claudius Krause, Michele Faucci Giannelli, Gregor Kasieczka, Benjamin Nachman, Dalila Salamani, David Shih, Anna Zaborowska, Oz Amram, Kerstin Borras, Matthew R. Buckley, Erik Buhmann, Thorsten Buss, Renato Paulo Da Costa Cardoso, Anthony L. Caterini, Nadezda Chernyavskaya, Federico A. G. Corchia, Jesse C. Cresswell, Sascha Diefenbacher, Etienne Dreyer, Vijay Ekambaram, Engin Eren, Florian Ernst, Luigi Favaro, Matteo Franchini, Frank Gaede, Eilam Gross, Shih-Chieh Hsu, Kristina Jaruskova, Benno Käch, Jayant Kalagnanam, Raghav Kansal, Taewoo Kim, Dmitrii Kobylianskii, Anatolii Korol, William Korcari, Dirk Krücker, Katja Krüger, Marco Letizia, Shu Li, Qibin Liu, Xiulong Liu, Gabriel Loaiza-Ganem, Thandikire Madula, Peter McKeown, Isabell-A. Melzer-Pellmann, Vinicius Mikuni, Nam Nguyen, Ayodele Ore, Sofia Palacios Schweitzer, Ian Pang, Kevin Pedro, Tilman Plehn, Witold Pokorski, Huilin Qu, Piyush Raikwar, John A. Raine, Humberto Reyes-Gonzalez, Lorenzo Rinaldi, Brendan Leigh Ross, Moritz A. W. Scham, Simon Schnake, Chase Shimmin, Eli Shlizerman, Nathalie Soybelman, Mudhakar Srivatsa, Kalliopi Tsolaki, Sofia Vallecorsa, Kyongmin Yeo, Rui Zhang
We present the results of the "Fast Calorimeter Simulation Challenge 2022" - the CaloChallenge.
no code implementations • 3 Oct 2024 • Wahid Bhimji, Paolo Calafiura, Ragansu Chakkappai, Po-Wen Chang, Yuan-Tang Chou, Sascha Diefenbacher, Jordan Dudley, Steven Farrell, Aishik Ghosh, Isabelle Guyon, Chris Harris, Shih-Chieh Hsu, Elham E Khoda, Rémy Lyscar, Alexandre Michon, Benjamin Nachman, Peter Nugent, Mathis Reymond, David Rousseau, Benjamin Sluijter, Benjamin Thorne, Ihsan Ullah, Yulei Zhang
The FAIR Universe -- HiggsML Uncertainty Challenge focuses on measuring the physics properties of elementary particles with imperfect simulators due to differences in modelling systematic errors.
no code implementations • 16 Sep 2024 • Huanbiao Zhu, Krish Desai, Mikael Kuusela, Vinicius Mikuni, Benjamin Nachman, Larry Wasserman
In many experimental contexts, it is necessary to statistically remove the impact of instrumental effects in order to physically interpret measurements.
1 code implementation • 15 Jul 2024 • Krish Desai, Benjamin Nachman, Jesse Thaler
Deconvolving ("unfolding'') detector distortions is a critical step in the comparison of cross section measurements with theoretical predictions in particle and nuclear physics.
1 code implementation • 24 May 2024 • Radha Mastandrea, Benjamin Nachman, Tilman Plehn
Determining the form of the Higgs potential is one of the most exciting challenges of modern particle physics.
1 code implementation • 29 Apr 2024 • Haoxing Du, Claudius Krause, Vinicius Mikuni, Benjamin Nachman, Ian Pang, David Shih
There have been many applications of deep neural networks to detector calibrations and a growing number of studies that propose deep generative models as automated fast detector simulators.
no code implementations • 29 Apr 2024 • Nathan Huetsch, Javier Mariño Villadamigo, Alexander Shmakov, Sascha Diefenbacher, Vinicius Mikuni, Theo Heimel, Michael Fenton, Kevin Greif, Benjamin Nachman, Daniel Whiteson, Anja Butter, Tilman Plehn
Recent innovations from machine learning allow for data unfolding, without binning and including correlations across many dimensions.
1 code implementation • 12 Oct 2023 • Owen Long, Benjamin Nachman
Many analyses in particle and nuclear physics use simulations to infer fundamental, effective, or phenomenological parameters of the underlying physics models.
1 code implementation • 2 Oct 2023 • Fernando Torales Acosta, Bishnu Karki, Piyush Karande, Aaron Angerami, Miguel Arratia, Kenneth Barish, Ryan Milton, Sebastián Morán, Benjamin Nachman, Anshuman Sinha
One of the key design choices of any sampling calorimeter is how fine to make the longitudinal and transverse segmentation.
no code implementations • 12 Sep 2023 • Tobias Golling, Samuel Klein, Radha Mastandrea, Benjamin Nachman, John Andrew Raine
We propose a protocol called flows for flows for training normalizing flows to morph one dataset into another even if the underlying probability density of neither dataset is known explicitly.
1 code implementation • 23 Aug 2023 • Sascha Diefenbacher, Guan-Horng Liu, Vinicius Mikuni, Benjamin Nachman, Weili Nie
Machine learning-based unfolding has enabled unbinned and high-dimensional differential cross section measurements.
1 code implementation • 10 Jul 2023 • Fernando Torales Acosta, Vinicius Mikuni, Benjamin Nachman, Miguel Arratia, Bishnu Karki, Ryan Milton, Piyush Karande, Aaron Angerami
Score based generative models are a new class of generative models that have been shown to accurately generate high dimensional calorimeter datasets.
1 code implementation • 6 Jun 2023 • Vinicius Mikuni, Benjamin Nachman
Methods for anomaly detection of new physics processes are often limited to low-dimensional spaces due to the difficulty of learning high-dimensional probability densities.
1 code implementation • 17 May 2023 • Shahzar Rizvi, Mariel Pettee, Benjamin Nachman
The likelihood ratio is a crucial quantity for statistical inference in science that enables hypothesis testing, construction of confidence intervals, reweighting of distributions, and more.
1 code implementation • 12 May 2023 • Benjamin Nachman, Ramon Winterhalder
We explore various approaches for enhancing the precision of simulations using machine learning, including interventions at the end of the simulation chain (reweighting), at the beginning of the simulation chain (pre-processing), and connections between the end and beginning (latent space refinement).
1 code implementation • 5 May 2023 • Mariel Pettee, Sowmya Thanvantri, Benjamin Nachman, David Shih, Matthew R. Buckley, Jack H. Collins
Large-scale astrophysics datasets present an opportunity for new machine learning techniques to identify regions of interest that might otherwise be overlooked by traditional searches.
Supervised Anomaly Detection
Weakly-supervised Anomaly Detection
1 code implementation • 10 Feb 2023 • Jay Chan, Benjamin Nachman
We propose a new machine learning-based unfolding method that results in an unbinned differential cross section and can profile nuisance parameters.
no code implementations • 20 Dec 2022 • Mayee F. Chen, Benjamin Nachman, Frederic Sala
An important class of techniques for resonant anomaly detection in high energy physics builds models that can distinguish between reference and target datasets, where only the latter has appreciable signal.
no code implementations • 20 Oct 2022 • Jack H. Collins, Yifeng Huang, Simon Knapen, Benjamin Nachman, Daniel Whiteson
In collider-based particle and nuclear physics experiments, data are produced at such extreme rates that only a subset can be recorded for later analysis.
1 code implementation • 17 Jun 2022 • Vinicius Mikuni, Benjamin Nachman
Score-based generative models are a new class of generative algorithms that have been shown to produce realistic images even in high dimensional spaces, currently surpassing other state-of-the-art models for different benchmark categories and applications.
1 code implementation • 10 May 2022 • Rikab Gambhir, Benjamin Nachman, Jesse Thaler
Machine learning offers an exciting opportunity to improve the calibration of nearly all reconstructed objects in high-energy physics detectors.
BIG-bench Machine Learning
Vocal Bursts Intensity Prediction
no code implementations • 8 Apr 2022 • Kingman Cheung, Yi-Lun Chung, Shih-Chieh Hsu, Benjamin Nachman
The modeling of jet substructure significantly differs between Parton Shower Monte Carlo (PSMC) programs.
no code implementations • 15 Mar 2022 • Andreas Adelmann, Walter Hopkins, Evangelos Kourlitis, Michael Kagan, Gregor Kasieczka, Claudius Krause, David Shih, Vinicius Mikuni, Benjamin Nachman, Kevin Pedro, Daniel Winklehner
The computational cost for high energy physics detector simulation in future experimental facilities is going to exceed the current available resources.
no code implementations • 7 Dec 2021 • Georgia Karagiorgi, Gregor Kasieczka, Scott Kravitz, Benjamin Nachman, David Shih
Machine learning plays a crucial role in enhancing and accelerating the search for new fundamental physics.
no code implementations • 27 Nov 2021 • Luca Pion-Tonachini, Kristofer Bouchard, Hector Garcia Martin, Sean Peisert, W. Bradley Holtz, Anil Aswani, Dipankar Dwivedi, Haruko Wainwright, Ghanshyam Pilania, Benjamin Nachman, Babetta L. Marrone, Nicola Falco, Prabhat, Daniel Arnold, Alejandro Wolf-Yadlin, Sarah Powers, Sharlee Climer, Quinn Jackson, Ty Carlson, Michael Sohn, Petrus Zwart, Neeraj Kumar, Amy Justice, Claire Tomlin, Daniel Jacobson, Gos Micklem, Georgios V. Gkoutos, Peter J. Bickel, Jean-Baptiste Cazier, Juliane Müller, Bobbie-Jo Webb-Robertson, Rick Stevens, Mark Anderson, Ken Kreutz-Delgado, Michael W. Mahoney, James B. Brown
We outline emerging opportunities and challenges to enhance the utility of AI for scientific discovery.
1 code implementation • 11 Nov 2021 • Vinicius Mikuni, Benjamin Nachman, David Shih
There is a growing need for anomaly detection methods that can broaden the search for new particles in a model-agnostic manner.
no code implementations • 16 Sep 2021 • Aishik Ghosh, Benjamin Nachman
A variety of techniques have been proposed to train machine learning classifiers that are independent of a given feature.
no code implementations • 6 Jul 2021 • Gregor Kasieczka, Benjamin Nachman, David Shih
The identification of anomalous overdensities in data - group or collective anomaly detection - is a rich problem with a large number of real world applications.
2 code implementations • 1 Jun 2021 • Ramon Winterhalder, Marco Bellagente, Benjamin Nachman
Deep generative models are becoming widely used across science and industry for a variety of purposes.
no code implementations • 10 May 2021 • Anders Andreassen, Patrick T. Komiske, Eric M. Metodiev, Benjamin Nachman, Adi Suresh, Jesse Thaler
A common setting for scientific inference is the ability to sample from a high-fidelity forward model (simulation) without having an explicit probability density of the data.
no code implementations • 5 Apr 2021 • Jack H. Collins, Pablo Martín-Ramiro, Benjamin Nachman, David Shih
We examine the ability of the two methods to identify a new physics signal at different cross sections in a fully hadronic resonance search.
1 code implementation • 19 Feb 2021 • Wonho Jang, Koji Terashi, MasaHiko Saito, Christian W. Bauer, Benjamin Nachman, Yutaro Iiyama, Tomoe Kishimoto, Ryunosuke Okubo, Ryu Sawada, Junichi Tanaka
The first ingredient is a technique to recognize repeated patterns of quantum gates, opening up the possibility of future hardware co-optimization.
Quantum Physics
1 code implementation • 2 Feb 2021 • Matthew Feickert, Benjamin Nachman
Modern machine learning techniques, including deep learning, are rapidly being applied, adapted, and developed for high energy physics.
no code implementations • 18 Jan 2021 • Benjamin Nachman, Jesse Thaler
There have been a number of recent proposals to enhance the performance of machine learning strategies for collider physics by combining many distinct events into a single ensemble feature.
no code implementations • 8 Dec 2020 • Patrick J. Fox, Shangqing Huang, Joshua Isaacson, Xiangyang Ju, Benjamin Nachman
The shape of clusters provides an additional dimension for track seeding that can significantly reduce the combinatorial challenge of track finding.
1 code implementation • 19 Oct 2020 • Ouail Kitouni, Benjamin Nachman, Constantin Weisser, Mike Williams
A key challenge in searches for resonant new physics is that classifiers trained to enhance potential signals must not induce localized structures.
High Energy Physics - Phenomenology High Energy Physics - Experiment Data Analysis, Statistics and Probability
1 code implementation • 15 Oct 2020 • Rebecca Hicks, Christian W. Bauer, Benjamin Nachman
These X gates are placed so that the expected number of qubits in the 1 state is minimized.
Quantum Physics
1 code implementation • 7 Oct 2020 • Anders Andreassen, Shih-Chieh Hsu, Benjamin Nachman, Natchanon Suaysom, Adi Suresh
Histogram-based template fits are the main technique used for estimating parameters of high energy physics Monte Carlo generators.
1 code implementation • 4 Sep 2020 • Kees Benkendorfer, Luc Le Pottier, Benjamin Nachman
A growing number of weak- and unsupervised machine learning approaches to anomaly detection are being proposed to significantly extend the search program at the Large Hadron Collider and elsewhere.
2 code implementations • 3 Sep 2020 • Sascha Diefenbacher, Engin Eren, Gregor Kasieczka, Anatolii Korol, Benjamin Nachman, David Shih
We introduce a post-hoc correction to deep generative models to further improve their fidelity, based on the Deep neural networks using the Classification for Tuning and Reweighting (DCTR) protocol.
no code implementations • 14 Aug 2020 • Anja Butter, Sascha Diefenbacher, Gregor Kasieczka, Benjamin Nachman, Tilman Plehn
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.
1 code implementation • 13 Aug 2020 • Xiangyang Ju, Benjamin Nachman
By labeling simulated final state hadrons as descending from an uncolored particle, it is possible to train a supervised learning method to create boson jets.
High Energy Physics - Phenomenology High Energy Physics - Experiment Data Analysis, Statistics and Probability
1 code implementation • 14 Jan 2020 • Anders Andreassen, Benjamin Nachman, David Shih
For potential signals that are resonant in one known feature, this new method first learns a parameterized reweighting function to morph a given simulation to match the data in sidebands.
1 code implementation • 14 Jan 2020 • Benjamin Nachman, David Shih
By estimating the probability density of the data in a signal region and in sidebands, and interpolating the latter into the signal region, a likelihood ratio of data vs. background can be constructed.
2 code implementations • 20 Nov 2019 • Anders Andreassen, Patrick T. Komiske, Eric M. Metodiev, Benjamin Nachman, Jesse Thaler
Collider data must be corrected for detector effects ("unfolded") to be compared with many theoretical calculations and measurements from other experiments.
no code implementations • 1 Nov 2019 • Giulio Aielli, Eli Ben-Haim, Roberto Cardarelli, Matthew John Charles, Xabier Cid Vidal, Victor Coco, Biplab Dey, Raphael Dumps, Jared A. Evans, George Gibbons, Olivier Le Dortz, Vladimir V. Gligorov, Philip Ilten, Simon Knapen, Jongho Lee, Saul López Soliño, Benjamin Nachman, Michele Papucci, Francesco Polci, Robin Quessard, Harikrishnan Ramani, Dean J. Robinson, Heinrich Schindler, Michael D. Sokoloff, Paul Swallow, Riccardo Vari, Nigel Watson, Mike Williams
A design overview is presented for the CODEX-$\beta$ demonstrator detector, which will enable background calibration and detector design studies.
High Energy Physics - Experiment High Energy Physics - Phenomenology
no code implementations • 18 Oct 2019 • Benjamin Nachman, Chase Shimmin
The field of high-energy physics (HEP), along with many scientific disciplines, is currently experiencing a dramatic influx of new methodologies powered by modern machine learning techniques.
no code implementations • 30 Sep 2019 • Miroslav Urbanek, Benjamin Nachman, Wibe Albert de Jong
A major milestone of quantum error correction is to achieve the fault-tolerance threshold beyond which quantum computers can be made arbitrarily accurate.
Quantum Physics Chemical Physics
3 code implementations • 18 Jul 2019 • Anders Andreassen, Benjamin Nachman
We therefore introduce Deep neural networks using Classification for Tuning and Reweighting (DCTR), a neural network-based approach to reweight and fit simulations using all kinematic and flavor information -- the full phase space.
1 code implementation • 7 May 2018 • Jack H. Collins, Kiel Howe, Benjamin Nachman
Despite extensive theoretical motivation for physics beyond the Standard Model (BSM) of particle physics, searches at the Large Hadron Collider (LHC) have found no significant evidence for BSM physics.
High Energy Physics - Phenomenology High Energy Physics - Experiment
1 code implementation • 23 Mar 2018 • Harley Patton, Benjamin Nachman
Particle identification using the energy loss in silicon detectors is a powerful technique for probing the Standard Model (SM) as well as searching for new particles beyond the SM.
Instrumentation and Detectors
no code implementations • 30 Jan 2018 • Patrick T. Komiske, Eric M. Metodiev, Benjamin Nachman, Matthew D. Schwartz
In particle physics, this challenge is surmounted by the use of simulations.
4 code implementations • 21 Dec 2017 • Michela Paganini, Luke de Oliveira, Benjamin Nachman
The precise modeling of subatomic particle interactions and propagation through matter is paramount for the advancement of nuclear and particle physics searches and precision measurements.
no code implementations • 23 Nov 2017 • Luke de Oliveira, Michela Paganini, Benjamin Nachman
High-precision modeling of subatomic particle interactions is critical for many fields within the physical sciences, such as nuclear physics and high energy particle physics.
1 code implementation • 9 Aug 2017 • Eric M. Metodiev, Benjamin Nachman, Jesse Thaler
In this paper, we introduce the paradigm of classification without labels (CWoLa) in which a classifier is trained to distinguish statistical mixtures of classes, which are common in collider physics.
1 code implementation • 26 Jul 2017 • Patrick T. Komiske, Eric M. Metodiev, Benjamin Nachman, Matthew D. Schwartz
Pileup involves the contamination of the energy distribution arising from the primary collision of interest (leading vertex) by radiation from soft collisions (pileup).
4 code implementations • 5 May 2017 • Michela Paganini, Luke de Oliveira, Benjamin Nachman
Physicists at the Large Hadron Collider (LHC) rely on detailed simulations of particle collisions to build expectations of what experimental data may look like under different theory modeling assumptions.
no code implementations • 1 Feb 2017 • Lucio Mwinmaarong Dery, Benjamin Nachman, Francesco Rubbo, Ariel Schwartzman
As machine learning algorithms become increasingly sophisticated to exploit subtle features of the data, they often become more dependent on simulations.
3 code implementations • 20 Jan 2017 • Luke de Oliveira, Michela Paganini, Benjamin Nachman
We provide a bridge between generative modeling in the Machine Learning community and simulated physical processes in High Energy Particle Physics by applying a novel Generative Adversarial Network (GAN) architecture to the production of jet images -- 2D representations of energy depositions from particles interacting with a calorimeter.
1 code implementation • 16 Nov 2015 • Luke de Oliveira, Michael Kagan, Lester Mackey, Benjamin Nachman, Ariel Schwartzman
Building on the notion of a particle physics detector as a camera and the collimated streams of high energy particles, or jets, it measures as an image, we investigate the potential of machine learning techniques based on deep learning architectures to identify highly boosted W bosons.
no code implementations • 7 Sep 2015 • Lester Mackey, Benjamin Nachman, Ariel Schwartzman, Conrad Stansbury
Collimated streams of particles produced in high energy physics experiments are organized using clustering algorithms to form jets.
2 code implementations • 16 Nov 2014 • Christopher G. Lester, Benjamin Nachman
An MT2 calculation algorithm is described.
High Energy Physics - Phenomenology