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Track reconstruction is a vital aspect of High-Energy Physics (HEP) and plays a critical role in major experiments. In this study, we delve into unexplored avenues for particle track reconstruction and hit clustering. Firstly, we enhance…

The trigger systems of the CERN LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with the…

Instrumentation and Detectors · Physics 2014-09-18 Juliette Alimena

We study the possibility to observe heavy ($M_{\rm inst}> 60$ GeV) QCD instantons at the LHC in events with one or two tagged leading protons including fast simulation of detector and pile-up effects. We show that the expected instanton…

High Energy Physics - Phenomenology · Physics 2023-01-19 M. Tasevsky , V. A. Khoze , D. L. Milne , M. G. Ryskin

In the upcoming years, with the upgrade of the LHC to higher luminosities, CMS will be subject to an increasing flux of particles, especially in its most forward region, at | \eta | > 1.6. To consolidate the muon spectrometer of CMS and…

Instrumentation and Detectors · Physics 2013-06-05 Thomas Lenzi , Gilles De Lentdecker

In recent years, various deep learning techniques have been exploited in side channel attacks, with the anticipation of obtaining more appreciable attack results. Most of them concentrate on improving network architectures or putting…

Cryptography and Security · Computer Science 2024-01-18 Zhimin Luo , Mengce Zheng , Ping Wang , Minhui Jin , Jiajia Zhang , Honggang Hu

The major challenge posed by the high instantaneous luminosity in the High Luminosity LHC (HL-LHC) motivates efficient and fast reconstruction of charged particle tracks in a high pile-up environment. While there have been efforts to use…

Power density constraints are limiting the performance improvements of modern CPUs. To address this, we have seen the introduction of lower-power, multi-core processors, but the future will be even more exciting. In order to stay within the…

The ATLAS experiment at CERN measures energy of proton-proton (p-p) collisions with a repetition frequency of 40 MHz at the Large Hadron Collider (LHC). The readout electronics of liquid-argon (LAr) calorimeters are being prepared for high…

Instrumentation and Detectors · Physics 2022-04-20 Nemer Chiedde

It is expected that the LHC accelerator and experiments will undergo a luminosity upgrade which will commence after several years of running. This part of the LHC operations is referred to as Super-LHC (SLHC) and is expected to provide…

Instrumentation and Detectors · Physics 2007-05-23 C. Foudas , A. Rose , J. Jones , G. Hall

For experiments with high arrival rates, reliable identification of nearly-coincident events can be crucial. For calorimetric measurements to directly measure the neutrino mass such as HOLMES, unidentified pulse pile-ups are expected to be…

Data Analysis, Statistics and Probability · Physics 2017-02-03 B. Alpert , E. Ferri , D. Bennett , M. Faverzani , J. Fowler , A. Giachero , J. Hays-Wehle , M. Maino , A. Nucciotti , A. Puiu , D. Swetz , J. Ullom

The factor of four increase in the LHC luminosity, from $0.5\times 10^{34}\,\textrm{cm}^{-2}\textrm{s}^{-1}$ to $2.0\times 10^{34}\textrm{cm}^{-2}\textrm{s}^{-1}$, and the corresponding increase in pile-up collisions during the 2015-2018…

High Energy Physics - Experiment · Physics 2021-01-12 ATLAS Collaboration

Visual-based target tracking is easily influenced by multiple factors, such as background clutter, targets fast-moving, illumination variation, object shape change, occlusion, etc. These factors influence the tracking accuracy of a target…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Yanyan Liu , Changcheng Pan , Minglin Bie , Jin Li

The ALICE apparatus at CERN has undergone significant upgrade during the LHC's Long Shutdown 2 to increase the experiment's rate capability and measurement precision for Run 3 and Run 4. One of the key detectors newly introduced to the…

Instrumentation and Detectors · Physics 2024-10-15 Yury Melikyan

The High-Luminosity LHC (HL-LHC) will usher in a new era in high-energy physics. The HL-LHC experimental conditions entail an instantaneous luminosity of up to $7.5 \times 10^{34}$ cm$^{-2}$ s$^{-1}$ and up to 200 simultaneous collisions…

High Energy Physics - Experiment · Physics 2022-11-17 Thiago R. F. P. Tomei

Modern high-energy physics experiments collect data using dedicated complex multi-level trigger systems which perform an online selection of potentially interesting events. In general, this selection suffers from inefficiencies. A further…

High Energy Physics - Experiment · Physics 2009-06-10 Victor Lendermann , Johannes Haller , Michael Herbst , Katja Krueger , Hans-Christian Schultz-Coulon , Rainer Stamen

For over a decade now, physical and energy constraints have limited clock speed improvements in commodity microprocessors. Instead, chipmakers have been pushed into producing lower-power, multi-core processors such as GPGPU, ARM and Intel…

For the past year, the HEP.TrkX project has been investigating machine learning solutions to LHC particle track reconstruction problems. A variety of models were studied that drew inspiration from computer vision applications and operated…

We present a machine learning (ML) method to calibrate hadronic jet energy in real-time trigger systems of the High-Luminosity Large Hadron Collider (HL-LHC) using an efficient implementation on field programmable gate arrays (FPGA).…

High Energy Physics - Phenomenology · Physics 2025-07-23 Benjamin T. Carlson , Stephen T. Roche , Michael Hemmett , Tae Min Hong

With the High Luminosity LHC upgrades, incorporating tracking information into the CMS Level-1 trigger becomes necessary in order to maintain a manageable trigger rate and good trigger performance e.g. to retain thresholds for electroweak…

Instrumentation and Detectors · Physics 2019-04-02 Zhengcheng Tao

This paper presents a novel method for the reconstruction of interaction vertices in particle collision data. The algorithm is an agglomerative clustering technique designed for high-luminosity environments in current and future…

Instrumentation and Detectors · Physics 2017-05-02 Federico Meloni