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The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Katja Seidel

We discuss a concept of a lower-energy version of the Large Hadron-electron Collider (LHeC), delivering electron-hadron collisions concurrently to the hadron-hadron collisions at the high-luminosity LHC at CERN. Assuming the use of a 20 GeV…

High Energy Physics - Experiment · Physics 2026-05-05 Kevin David J André , Laurent Forthomme , Bernhard Holzer , Krzysztof Piotrzkowski

Accurate simulation of physical processes is crucial for the success of modern particle physics. However, simulating the development and interaction of particle showers with calorimeter detectors is a time consuming process and drives the…

Instrumentation and Detectors · Physics 2021-05-28 Erik Buhmann , Sascha Diefenbacher , Engin Eren , Frank Gaede , Gregor Kasieczka , Anatolii Korol , Katja Krüger

The CMS electromagnetic calorimeter (ECAL) is a high-resolution, hermetic, and homogeneous calorimeter made of 75,848 scintillating lead tungstate crystals. Following the discovery of the Higgs boson, the CMS ECAL is at the forefront of…

Instrumentation and Detectors · Physics 2015-10-12 Andrea Massironi

While the CMS experiment is currently harvesting LHC collision data at CERN, the performance of its electromagnetic calorimeter (ECAL) is being constantly monitored, and work has started to assess the need for changes to the detector to…

Instrumentation and Detectors · Physics 2019-08-13 Francesca Nessi Tedaldi

We describe the design concept and estimated performance of an iron-scintillator sampling calorimeter for the future Electron Ion Collider. The novel aspect of this detector is a multi-dimensional readout coupled with foreseen excellent…

Instrumentation and Detectors · Physics 2026-05-29 Rowan Kelleher , Anselm Vossen , William W. Jacobs , Gerard Visser , Simon Schneider , Yordanka Ilieva , Pawel Nadel-Turonski

A template fitting technique for reconstructing the amplitude of signals produced by the lead tungstate crystals of the CMS electromagnetic calorimeter is described. This novel approach is designed to suppress the increased out-of-time…

Instrumentation and Detectors · Physics 2020-10-05 CMS Collaboration

The liquid argon ionization current in a sampling calorimeter cell can be analyzed to determine the energy of detected particles. In practice, experimental artifacts such as pileup and electronic noise make the inference of energy from…

Instrumentation and Detectors · Physics 2022-01-19 L. Polson , L. Kurchaninov , M. Lefebvre

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

The ATLAS experiment measures the properties of particles that are products of proton-proton collisions at the LHC. The ATLAS detector will undergo a major upgrade before the high luminosity phase of the LHC. The ATLAS liquid argon…

Instrumentation and Detectors · Physics 2023-05-18 Georges Aad , Thomas Calvet , Nemer Chiedde , Robert Faure , Etienne Marie Fortin , Lauri Laatu , Emmanuel Monnier , Nairit Sur

Physicists at the Large Hadron Collider (LHC) rely on detailed simulations of particle collisions to build expectations of what experimental data may look like under different theory modeling assumptions. Petabytes of simulated data are…

High Energy Physics - Experiment · Physics 2018-02-06 Michela Paganini , Luke de Oliveira , Benjamin Nachman

Using detailed simulations of calorimeter showers as training data, we investigate the use of deep learning algorithms for the simulation and reconstruction of particles produced in high-energy physics collisions. We train neural networks…

The present research applies Graph Neural-Networks (GNNs) for energy measurement and particle identification tasks for a proposed second detector at the future Electron Ion Collider (EIC). In particular, an iron-scintillator sampling…

Instrumentation and Detectors · Physics 2026-04-10 Rowan Kelleher , Anselm Vossen

The Large Hadron Collider's high luminosity era presents major computational challenges in the analysis of collision events. Large amounts of Monte Carlo (MC) simulation will be required to constrain the statistical uncertainties of the…

The ATLAS detector at CERN will provide a high-resolution longitudinally-segmented calorimeter and precision tracking for the upcoming study of heavy ion collisions at the LHC (sqrt(s_NN)=5520 GeV). The calorimeter covers |eta|<5 with both…

Nuclear Experiment · Physics 2019-08-13 P. Steinberg

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton…

High Energy Physics - Experiment · Physics 2021-08-26 Ali Hariri , Darya Dyachkova , Sergei Gleyzer

Sophisticated machine learning techniques have promising potential in search for physics beyond Standard Model in Large Hadron Collider (LHC). Convolutional neural networks (CNN) can provide powerful tools for differentiating between…

High Energy Physics - Phenomenology · Physics 2019-12-17 Biplob Bhattacherjee , Swagata Mukherjee , Rhitaja Sengupta

The CALICE Semi-Digital Hadron Calorimeter technological prototype completed in 2011 is a sampling calorimeter using Glass Resistive Plate Chamber (GRPC) detectors as the active medium. This technology is one of the two options proposed for…

Reliable data quality monitoring is a key asset in delivering collision data suitable for physics analysis in any modern large-scale High Energy Physics experiment. This paper focuses on the use of artificial neural networks for supervised…

Data Analysis, Statistics and Probability · Physics 2018-08-03 Adrian Alan Pol , Gianluca Cerminara , Cecile Germain , Maurizio Pierini , Agrima Seth

This article presents a brief overview of the CMS experiment capabilities to study the hot and dense matter created in relativistic heavy-ion collisions. The CERN Large Hadron Collider will provide collisions of Pb nuclei at 5.5 TeV per…

Nuclear Experiment · Physics 2008-06-09 Aneta Iordanova