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Related papers: Reconstructing jets in the Phase-2 upgrade of the …

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Particle track reconstruction is the most computationally intensive process in nuclear physics experiments. Traditional algorithms use a combinatorial approach that exhaustively tests track measurements ("hits") to identify those that form…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Polykarpos Thomadakis , Angelos Angelopoulos , Gagik Gavalian , Nikos Chrisochoides

The physics programme of the LHCb experiment at the Large Hadron Collider requires an efficient and precise reconstruction of the particle collision vertices. The LHCb Upgrade detector relies on a fully software-based trigger with an online…

The electron-proton collider HERA is being upgraded to provide higher luminosity from the end of the year 2001. In order to enhance the selectivity on exclusive processes a Fast Track Trigger (FTT) with high momentum resolution is being…

High Energy Physics - Experiment · Physics 2014-11-17 D. Meer , D. Muller , J. Muller , A. Schoning , Ch. Wissing

The expected performance of track reconstruction with LHC events using the CMS silicon tracker is presented. Track finding and fitting is accomplished with Kalman Filter techniques that achieve efficiencies above 99% on single muons with…

Instrumentation and Detectors · Physics 2010-03-04 Paolo Azzurri

Measurements in the highly Lorentz-boosted regime provoke increased interest in probing the Higgs boson properties and in searching for particles beyond the standard model at the LHC. In the CMS Collaboration, various boosted-object tagging…

Instrumentation and Detectors · Physics 2025-11-14 CMS Collaboration

At the LHC, a generic supersymmetric cascade can be a source of top quark. Specifically third generation squarks and gluino are the major sources of top quark which could also be boosted. In this article, we have shown that jet substructure…

High Energy Physics - Phenomenology · Physics 2011-09-13 Priyotosh Bandyopadhyay , Biplob Bhattacherjee

An overview of tools and methods for the reconstruction of high-boost top quark decays at the LHC is given in this report. The focus is on hadronic decays, in particular an overview of the current status of top quark taggers in physics…

High Energy Physics - Experiment · Physics 2019-08-15 Emanuele Usai

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

Recent advancements in deep learning models have significantly enhanced jet classification performance by analyzing low-level features (LLFs). However, this approach often leads to less interpretable models, emphasizing the need to…

High Energy Physics - Phenomenology · Physics 2024-07-30 Amon Furuichi , Sung Hak Lim , Mihoko M. Nojiri

We study the case where quantum computing could improve jet clustering by considering two new quantum algorithms that might speed up classical jet clustering algorithms. The first one is a quantum subroutine to compute a Minkowski-based…

High Energy Physics - Phenomenology · Physics 2022-11-23 Jorge J. Martínez de Lejarza , Leandro Cieri , Germán Rodrigo

A method to correct the jet transverse energy has been developed for the ZEUS detector which attains an uncertainty better than 3%. The procedure is based on a combination of tracking and calorimeter information that optimises the…

High Energy Physics - Experiment · Physics 2007-05-23 Matthew Wing

Evolutionary histories for species that cross with one another or exchange genetic material can be represented by leaf-labelled, directed graphs called phylogenetic networks. A major challenge in the burgeoning area of phylogenetic networks…

Data Structures and Algorithms · Computer Science 2021-09-24 Leo van Iersel , Sjors Kole , Vincent Moulton , Leonie Nipius

We present a new tagger which aims at identifying partially reconstructed objects, in which only some of the constituents are collected in a single jet. As an example, we focus on top decays in which either part of the hadronically decaying…

High Energy Physics - Phenomenology · Physics 2016-08-31 Marat Freytsis , Tomer Volansky , Jonathan R. Walsh

A key question for machine learning approaches in particle physics is how to best represent and learn from collider events. As an event is intrinsically a variable-length unordered set of particles, we build upon recent machine learning…

High Energy Physics - Phenomenology · Physics 2020-04-17 Patrick T. Komiske , Eric M. Metodiev , Jesse Thaler

We apply a Dense Neural Network (DNN) approach to reconstruct jet momentum within a quark-gluon plasma (QGP) background, using simulated data from PYTHIA and Linear Boltzmann Transport (LBT) Models for comparative analysis. We find that…

High Energy Physics - Phenomenology · Physics 2025-12-17 Ran Li , Yi-Lun Du , Shanshan Cao

After 2001 the upgraded ep collider HERA will provide an about five times higher luminosity for the two experiments H1 and ZEUS. In order to cope with the expected higher event rates the H1 collaboration is building a track based trigger…

High Energy Physics - Experiment · Physics 2014-11-17 A. Baird , E. Elsen , Y. H. Fleming , M. Kolander , S. Kolya , D. Meer , D. Mercer , J. Naumann , P. R. Newman , D. Sankey , A. Schoening , H. -C. Schultz-Coulon , Ch. Wissing

Accurate determination of particle track reconstruction parameters will be a major challenge for the High Luminosity Large Hadron Collider (HL-LHC) experiments. The expected increase in the number of simultaneous collisions at the HL-LHC…

Jet classification is an important ingredient in measurements and searches for new physics at particle coliders, and secondary vertex reconstruction is a key intermediate step in building powerful jet classifiers. We use a neural network to…

High Energy Physics - Experiment · Physics 2021-07-07 Jonathan Shlomi , Sanmay Ganguly , Eilam Gross , Kyle Cranmer , Yaron Lipman , Hadar Serviansky , Haggai Maron , Nimrod Segol

We propose a new strategy to obtain a high-purity sample of gluon-initiated jets at the LHC. Our approach, inspired by the Lund jet plane picture, is to perform a dijet selection where the two jets are collinear to each other and their…

High Energy Physics - Phenomenology · Physics 2024-12-20 Cristian Baldenegro , Alba Soto-Ontoso , Gregory Soyez

With the development of hardware-optimized deployment of spiking neural networks (SNNs), SNN processors based on field-programmable gate arrays (FPGAs) have become a research hotspot due to their efficiency and flexibility. However,…

Neural and Evolutionary Computing · Computer Science 2026-01-06 Hou Yue , Xiang Shuiying , Zou Tao , Huang Zhiquan , Shi Shangxuan , Guo Xingxing , Zhang Yahui , Zheng Ling , Hao Yue