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The article is devoted to the searches for new particles predicted by physics beyond the Standard Model through the b-tagging algorithm. The dependence of b-tagging efficiency on the jet identification, impact parameter identification,…

High Energy Physics - Phenomenology · Physics 2020-11-17 T. V. Obikhod , I. A. Petrenko

Jet modification in heavy-ion collisions provides microscopic access to the properties of the quark-gluon plasma. However, conventional approaches based on traditional global observables, such as \(R_{AA}\), capture limited information…

High Energy Physics - Phenomenology · Physics 2026-04-24 Leonardo Lima da Silva , Marcelo Gameiro Munhoz

One of the most important problems of data processing in high energy and nuclear physics is the event reconstruction. Its main part is the track reconstruction procedure which consists in looking for all tracks that elementary particles…

Machine Learning · Computer Science 2019-02-20 Dmitriy Baranov , Gennady Ososkov , Pavel Goncharov , Andrei Tsytrinov

We present a new "learning-to-learn"-type approach that enables rapid learning of concepts from small-to-medium sized training sets and is primarily designed for web-initialized image retrieval. At the core of our approach is a deep…

Computer Vision and Pattern Recognition · Computer Science 2017-10-30 A. Vakhitov , A. Kuzmin , V. Lempitsky

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

An algorithm for the identification of jets that originate from the hadronisation of strange quarks is presented, which complements existing algorithms for the identification of jets that originate from $b$-quarks and $c$-quarks. The…

Instrumentation and Detectors · Physics 2020-01-23 Johannes Erdmann

We present the development and validation of a new multivariate $b$ jet identification algorithm ("$b$ tagger") used at the CDF experiment at the Fermilab Tevatron. At collider experiments, $b$ taggers allow one to distinguish particle jets…

High Energy Physics - Experiment · Physics 2011-12-07 J. Freeman , W. Ketchum , J. D. Lewis , S. Poprocki , A. Pronko , V. Rusu , P. Wittich

Jet reconstruction remains a critical task in the analysis of data from HEP colliders. We describe in this paper a new, highly performant, Julia package for jet reconstruction, JetReconstruction.jl, which integrates into the growing…

High Energy Physics - Experiment · Physics 2025-12-02 Graeme Andrew Stewart. Sanmay Ganguly , Sattwamo Ghosh , Philippe Gras , Atell Krasnopolski

The MUST (Mass Unspecific Supervised Tagging) method has proven to be successful in implementing generic jet taggers capable of discriminating various signals over a wide range of jet masses. We implement the MUST concept by using eXtreme…

High Energy Physics - Phenomenology · Physics 2024-11-26 J. A. Aguilar-Saavedra , E. Arganda , F. R. Joaquim , R. M. Sandá Seoane , J. F. Seabra

The international neuroscience community is building the first comprehensive atlases of brain cell types to understand how the brain functions from a higher resolution, and more integrated perspective than ever before. In order to build…

Neurons and Cognition · Quantitative Biology 2023-08-03 Thomas L. Athey , Daniel J. Tward , Ulrich Mueller , Laurent Younes , Joshua T. Vogelstein , Michael I. Miller

The concept of conditional computation for deep nets has been proposed previously to improve model performance by selectively using only parts of the model conditioned on the sample it is processing. In this paper, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Zhourong Chen , Yang Li , Samy Bengio , Si Si

For the task of subdecimeter aerial imagery segmentation, fine-grained semantic segmentation results are usually difficult to obtain because of complex remote sensing content and optical conditions. Recently, convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Kai Yue , Lei Yang , Ruirui Li , Wei Hu , Fan Zhang , Wei Li

In several domains, data objects can be decomposed into sets of simpler objects. It is then natural to represent each object as the set of its components or parts. Many conventional machine learning algorithms are unable to process this…

Machine Learning · Computer Science 2020-03-03 Konstantinos Skianis , Giannis Nikolentzos , Stratis Limnios , Michalis Vazirgiannis

Neural Network is a powerful Machine Learning tool that shows outstanding performance in Computer Vision, Natural Language Processing, and Artificial Intelligence. In particular, recently proposed ResNet architecture and its modifications…

Machine Learning · Statistics 2018-11-13 Iurii Kemaev , Daniil Polykovskiy , Dmitry Vetrov

Tracking in high-density environments, such as the core of TeV jets, is particularly challenging both because combinatorics quickly diverge and because tracks may not leave anymore individual "hits" but rather large clusters of merged…

Instrumentation and Detectors · Physics 2020-12-11 Valerio Bertacchi

We introduce persistent Betti numbers to characterize topological structure of jets. These topological invariants measure multiplicity and connectivity of jet branches at a given scale threshold, while their persistence records evolution of…

High Energy Physics - Phenomenology · Physics 2020-06-23 Lingfeng Li , Tao Liu , Si-Jun Xu

Accurate prediction of flight-level passenger traffic is of paramount importance in airline operations, influencing key decisions from pricing to route optimization. This study introduces a novel, multimodal deep learning approach to the…

Machine Learning · Computer Science 2024-01-11 Sina Ehsani , Elina Sergeeva , Wendy Murdy , Benjamin Fox

One of the most important problems of data processing in high energy and nuclear physics is the event reconstruction. Its main part is the track reconstruction procedure which consists in looking for all tracks that elementary particles…

Machine Learning · Computer Science 2019-10-02 Dmitriy Baranov , Sergey Mitsyn , Pavel Goncharov , Gennady Ososkov

Many Standard Model extensions predict metastable massive particles that can be detected by looking for displaced decay vertices in the inner detector volume. Current approaches to search for these events in high-energy particle collisions…

Instrumentation and Detectors · Physics 2019-10-24 Kim Albertsson , Federico Meloni

Reconstructing jets, which provide vital insights into the properties and histories of subatomic particles produced in high-energy collisions, is a main problem in data analyses in collider physics. This intricate task deals with estimating…