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CALICE collaboration is developing highly granular calorimeters suitable for individual reconstruction of particles in the jets using Particle Flow Algorithms. Such calorimeters should provide the best jet energy resolution at future high…

Instrumentation and Detectors · Physics 2018-02-05 Kostiantyn Shpak

Based on a novel shower reconstruction algorithm, the study of two particle separation with tile hadron calorimeter (HCAL) is performed. The separability of two close-by particles is found to be strongly dependent on transverse and…

Instrumentation and Detectors · Physics 2007-05-23 V. Morgunov , A. Raspereza

A highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) is the reference design of the ECAL for International Large Detector concept, one of the two detector concepts for the future International Linear Collider.…

Instrumentation and Detectors · Physics 2021-09-03 Fabricio Jimenez Morales

This note discusses methods of particle reconstruction in the forward region detectors of future e+e- linear colliders such as ILC or CLIC. At the nominal luminosity the innermost electromagnetic calorimeters undergo high particle fluxes…

Instrumentation and Detectors · Physics 2017-02-24 Andre Sailer , Andrey Sapronov

Chromatic calorimetry (CCAL) analyses particle detection by utilizing scintillators with distinct emission wavelengths to measure the longitudinal energy deposition of particle showers in high-energy physics, improving particle…

High Energy Physics - Experiment · Physics 2025-09-12 Devanshi Arora

To achieve state-of-the-art jet energy resolution for Particle Flow, sophisticated energy clustering algorithms must be developed that can fully exploit available information to separate energy deposits from charged and neutral particles.…

The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry, and hallmarks the issue for…

Instrumentation and Detectors · Physics 2018-02-18 Arabella Martelli

Three-dimensional electron tomography is used to understand the structure and properties of samples in chemistry, materials science, geoscience, and biology. With the recent development of high-resolution detectors and algorithms that can…

Computational Physics · Physics 2021-10-18 David Ren , Michael Whittaker , Colin Ophus , Laura Waller

Simulation is crucial for all aspects of collider data analysis, but the available computing budget in the High Luminosity LHC era will be severely constrained. Generative machine learning models may act as surrogates to replace…

Instrumentation and Detectors · Physics 2023-10-04 Oz Amram , Kevin Pedro

The ALICE (A Large Ion Collider Experiment) detector yields a huge sample of data from different sub-detectors. On-line data processing is applied to select and reduce the volume of the stored data. ALICE applies a multi-level hardware…

Instrumentation and Detectors · Physics 2019-08-14 F. Ronchetti , F. Blanco , M. Figueredo , A. G. Knospe , L. Xaplanteris

A prototype Silicon-Tungsten electromagnetic calorimeter (ECAL) for an International Linear Collider (ILC) detector was installed and tested during summer and autumn 2006 at CERN. The detector had 6480 silicon pads of dimension 1x1 cm^2.…

Instrumentation and Detectors · Physics 2017-07-24 CALICE Collaboration

The separation and reconstructions of charged hadron and neutral hadron from their overlapped showers in electromagnetic calorimeter is very important for the reconstructions of some particles with hadronic decays, for example the tau…

Instrumentation and Detectors · Physics 2013-05-10 Liang Song , Tao Jun-Quan , Shen Yu-Qiao , Fan Jia-Wei , Xiao Hong , Chen Guo-Ming

We propose a novel clustering approach for point-cloud segmentation based on supervised contrastive metric learning (CML). Rather than predicting cluster assignments or object-centric variables, the method learns a latent representation in…

High Energy Physics - Experiment · Physics 2026-03-25 Max Marriott-Clarke , Lazar Novakovic , Elizabeth Ratzer , Robert J. Bainbridge , Loukas Gouskos , Benedikt Maier

We contrasted the performance of deep neural networks - Convolutional Neural Network (CNN) and Graph Neural Network (GNN) - to current state of the art energy regression methods in a finely 3D-segmented calorimeter simulated by GEANT4. This…

Instrumentation and Detectors · Physics 2022-01-05 N. Akchurin , C. Cowden , J. Damgov , A. Hussain , S. Kunori

The Particle Flow Algorithms adopted for future $e^{+}e^{-}$ colliders detectors and phase-II CMS upgrade require very high granularity calorimeters to deconvolve the individual contributions of particles in jets. This is especially true…

Instrumentation and Detectors · Physics 2017-11-27 Kostiantyn Shpak

Machine-learning-based methods can be developed for the reconstruction of clusters in segmented detectors for high energy physics experiments. Convolutional neural networks with autoencoder architecture trained on labeled data from a…

Instrumentation and Detectors · Physics 2025-06-02 Kalina Dimitrova , Venelin Kozhuharov , Ruslan Nastaev , Peicho Petkov

The High Luminosity LHC (HL-LHC) will integrate 10 times more luminosity than the LHC, posing significant challenges for radiation tolerance and event pileup on detectors, especially for forward calorimetry, and hallmarks the issue for…

Instrumentation and Detectors · Physics 2018-07-01 Florian Pitters

The electromagnetic calorimeter (ECAL) is a key detector component for precise electron and photon measurements in electron-ion collision experiments. At the Electron-Ion Collider in China (EicC), high-performance calorimetry is essential…

Instrumentation and Detectors · Physics 2026-03-23 Ye Tian , Souvik Maity , Jingyu Li , Yuancai Wu , Shan Sha , Yutie Liang , Aiqiang Guo , Yuxiang Zhao , Dexu Lin

Under extreme operating conditions, characterized by high particle multiplicity and heavily overlapping shower energy deposits, classical particle flow algorithms encounter pronounced limitations in resolution, efficiency, and accuracy. To…

Instrumentation and Detectors · Physics 2025-05-13 Yu Wang , Yangguang Zhang , Shengxiang Lin , Xingyi Zhang , Han Zhang