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Machine learning (ML) algorithms, particularly attention-based transformer models, have become indispensable for analyzing the vast data generated by particle physics experiments like ATLAS and CMS at the CERN LHC. Particle Transformer…

High Energy Physics - Phenomenology · Physics 2024-12-10 Aaron Wang , Abhijith Gandrakota , Jennifer Ngadiuba , Vivekanand Sahu , Priyansh Bhatnagar , Elham E Khoda , Javier Duarte

We explore the application of artificial neural networks (ANNs) for the estimation of atmospheric parameters (Teff, logg, and [Fe/H]) for Galactic F- and G-type stars. The ANNs are fed with medium-resolution (~ 1-2 A) non flux-calibrated…

An event reweighting technique incorporated in multivariate training algorithm has been developed and tested using the Artificial Neural Networks (ANN) and Boosted Decision Trees (BDT). The event reweighting training are compared to that of…

Data Analysis, Statistics and Probability · Physics 2008-11-26 Hai-Jun Yang , Tiesheng Dai , Alan Wilson , Zhengguo Zhao , Bing Zhou

We apply an Adversarially Learned Anomaly Detection (ALAD) algorithm to the problem of detecting new physics processes in proton-proton collisions at the Large Hadron Collider. Anomaly detection based on ALAD matches performances reached by…

High Energy Physics - Experiment · Physics 2020-10-06 Oliver Knapp , Guenther Dissertori , Olmo Cerri , Thong Q. Nguyen , Jean-Roch Vlimant , Maurizio Pierini

As most target final states for searches and measurements at the Large Hadron Collider have a particular quark/gluon composition, tools for distinguishing quark- from gluon-initiated jets can be very powerful. In addition to the difficulty…

High Energy Physics - Phenomenology · Physics 2019-04-16 Samuel Bright-Thonney , Benjamin Nachman

Attention-based transformer models have become increasingly prevalent in collider analysis, offering enhanced performance for tasks such as jet tagging. However, they are computationally intensive and require substantial data for training.…

High Energy Physics - Phenomenology · Physics 2024-06-04 A. Hammad , Mihoko M. Nojiri

Deep Learning approaches are becoming the go-to methods for data analysis in High Energy Physics (HEP). Nonetheless, most physics-inspired modern architectures are computationally inefficient and lack interpretability. This is especially…

Computational Physics · Physics 2023-01-31 Jose M Munoz , Ilyes Batatia , Christoph Ortner

Innovation in the ground and space-based instruments has taken us into a new age of spectroscopy, in which a large amount of stellar content is becoming available. So, automatic classification of stellar spectra became subjective in recent…

Solar and Stellar Astrophysics · Physics 2020-06-26 Y. A. Azzam , M. I. Nouh , A. A. Shaker

Figuring out the right airfoil is a crucial step in the preliminary stage of any aerial vehicle design, as its shape directly affects the overall aerodynamic characteristics of the aircraft or rotorcraft. Besides being a measure of…

Fluid Dynamics · Physics 2023-03-14 Hassan Moin , Hafiz Zeeshan Iqbal Khan , Surrayya Mobeen , Jamshed Riaz

Jet tagging, identifying the origin of jets produced in particle collisions, is a critical classification task in high-energy physics. Despite the revolutionary impact of deep learning on jet tagging over the past decade, the paradigm has…

High Energy Physics - Phenomenology · Physics 2026-01-26 Umar Sohail Qureshi , Brendon Bullard , Ariel Schwartzman

Anomaly detection in High Energy Physics requires identifying rare signals against overwhelming backgrounds, without prior knowledge of the signal. We present the first application of masked-token prediction, a technique from Large Language…

High Energy Physics - Phenomenology · Physics 2026-04-24 Ambre Visive , Roberto Ruiz de Austri , Polina Moskvitina , Clara Nellist , Sascha Caron

Multivariate techniques based on engineered features have found wide adoption in the identification of jets resulting from hadronic top decays at the Large Hadron Collider (LHC). Recent Deep Learning developments in this area include the…

High Energy Physics - Experiment · Physics 2017-11-27 Shannon Egan , Wojciech Fedorko , Alison Lister , Jannicke Pearkes , Colin Gay

The $\text{t}\bar{\text{t}}\text{H}(\text{b}\bar{\text{b}})$ process is an essential channel to reveal the Higgs properties but has an irreducible background from the $\text{t}\bar{\text{t}}\text{b}\bar{\text{b}}$ process, which produces a…

High Energy Physics - Experiment · Physics 2021-03-17 Cheongjae Jang , Sang-Kyun Ko , Yung-Kyun Noh , Jieun Choi , Jongwon Lim , Tae Jeong Kim

With the continued innovations of deep neural networks, spiking neural networks (SNNs) that more closely resemble biological brain synapses have attracted attention owing to their low power consumption.However, for continuous data values,…

Neural and Evolutionary Computing · Computer Science 2021-03-02 Naoya Muramatsu , Hai-Tao Yu

Spiking neural networks (SNNs) represent the most prominent biologically inspired computing model for neuromorphic computing (NC) architectures. However, due to the non-differentiable nature of spiking neuronal functions, the standard error…

Neural and Evolutionary Computing · Computer Science 2020-07-01 Jibin Wu , Yansong Chua , Malu Zhang , Guoqi Li , Haizhou Li , Kay Chen Tan

High-momentum top quarks are a natural physical system in collider experiments for testing models of new physics, and jet substructure methods are key both to exploiting their largest decay mode and to assuaging resolution difficulties as…

High Energy Physics - Phenomenology · Physics 2023-07-27 Jack Y. Araz , Andy Buckley , Benjamin Fuks

The identification and classification of collimated particle sprays, or jets, are essential for interpreting data from high-energy collider experiments. While deep learning has improved jet classification, it often lacks interpretability.…

The ATLAS experiment relies on real-time hadronic jet reconstruction and $b$-tagging to record fully hadronic events containing $b$-jets. These algorithms require track reconstruction, which is computationally expensive and could overwhelm…

High Energy Physics - Experiment · Physics 2024-11-14 ATLAS Collaboration

Naturalness considerations, together with the non-observation of superpartners of the Standard Model particles at the Large Hadron Collider (LHC) so far, favor supersymmetric (SUSY) models in which third generation squarks are significantly…

High Energy Physics - Phenomenology · Physics 2011-12-09 Joshua Berger , Maxim Perelstein , Michael Saelim , Andrew Spray