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Journal articles on the topic 'Electromagnetic calorimeter (ECAL)'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Rovelli, Chiara. "The CMS Electromagnetic Calorimeter workflow." EPJ Web of Conferences 245 (2020): 01024. http://dx.doi.org/10.1051/epjconf/202024501024.

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The CMS experiment at the LHC features an electromagnetic calorimeter (ECAL) made of lead tungstate scintillating crystals. The ECAL energy response is fundamental for both triggering purposes and offline analysis. Due to the challenging LHC radiation environment, the response of both crystals and photodetectors to particles evolves with time. Therefore continuous monitoring and correction of the ageing effects are crucial. Fast, reliable and efficient workflows are set up to have a first set of corrections computed within 48 hours from data-taking, making use of dedicated data streams and pro

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2

Zghiche, Amina. "Optimizing the performance of the CMS Electromagnetic Calorimeter to measure Higgs properties during Phase I and Phase II of the LHC." International Journal of Modern Physics A 35, no. 34n35 (2020): 2044011. http://dx.doi.org/10.1142/s0217751x2044011x.

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The CMS Electromagnetic Calorimeter (ECAL), is a high granularity lead tungstate (PbWO4) crystal calorimeter operating at the CERN LHC. The ECAL performance has been crucial in the discovery and subsequent characterization of the Higgs boson. The original ECAL design considerations, and the improvements to the energy reconstruction and energy calibration algorithms to cope with the LHC Run II are described. For the High-Luminosity LHC (HL-LHC) upgrades to ECAL are necessary. The crystals in the barrel region will be retained, defining the HL-LHC CMS barrel electromagnetic calorimeter ECAL. The

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3

Yang, Haijun. "Preliminary conceptual design about the CEPC calorimeters." International Journal of Modern Physics A 31, no. 33 (2016): 1644026. http://dx.doi.org/10.1142/s0217751x16440267.

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The Circular Electron Positron Collider (CEPC) as a Higgs factory was proposed in September 2013. The preliminary conceptual design report was completed in 2015.1 The CEPC detector design was using International Linear Collider Detector — ILD2 as an initial baseline. The CEPC calorimeters, including the high granularity electromagnetic calorimeter (ECAL) and the hadron calorimeter (HCAL), are designed for precise energy measurements of electrons, photons, taus and hadronic jets. The basic resolution requirements for the ECAL and HCAL are about 16%[Formula: see text][Formula: see text] (GeV) an

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4

NESSI-TEDALDI, FRANCESCA. "THE CMS ECAL PROJECT – OVERVIEW AND STATUS REPORT." International Journal of Modern Physics A 16, supp01c (2001): 1132–34. http://dx.doi.org/10.1142/s0217751x01009119.

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The status is given of the lead tungstate electromagnetic crystal calorimeter for the CMS detector at the Large Hadron Collider: calorimeter design, development of calorimeter components and results obtained in particle beams are discussed.

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5

Rua Herrera, Alex, Míriam Calvo Gómez, and Xavier Vilasís Cardona. "Particle identification with an electromagnetic calorimeter using a Convolutional Neural Network." EPJ Web of Conferences 251 (2021): 04032. http://dx.doi.org/10.1051/epjconf/202125104032.

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The LHCb’s Electromagentic Calorimeter (ECAL) measures the energy that any particle leaves behind when it travels through its sensors. However, with the current granularity, it is not possible to exploit the shape of the shower produced by the particle when it interacts with the ECAL, which is an information that could be enough to conclude what particle is being detected. In an attempt to find out whether it would be possible to classify them in future runs of the LHC, simulated data is generated with Geant4, giving an idea of what SPACAL, an updated version of the current calorimeter with be

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6

Durum, Artur, Gennadiy Britvich, Sergey Chernichenko, et al. "Optimization of a light collection in the Shashlyk-type electromagnetic calorimeter with projective geometry for the NICA/MPD experiment." EPJ Web of Conferences 222 (2019): 02007. http://dx.doi.org/10.1051/epjconf/201922202007.

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The MPD spectrometer at the NICA collider complex is currently under construction in Dubna. The main goal of the experiment is to obtain fundamental knowledge about the properties of hot and dense baryonic matter formed in heavy-ion collisions in the energy range of (4-11) A*GeV. Crucial detector of the MPD experiment is a large-sized barrel electromagnetic calorimeter (ECal), which (together with the tracking system) will provide unique opportunities for the measurement and identification of a wide variety of charged and neutral particles carrying information about early stages of the interac

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Dabrowska, B., V. V. Kulikov, M. A. Martemianov, M. A. Matsyuk, and I. A. Tyapkin. "MC simulation results for projective geometry version of MPD ECAL at NICA collider." EPJ Web of Conferences 204 (2019): 07015. http://dx.doi.org/10.1051/epjconf/201920407015.

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The report describes the Monte-Carlo simulation software developed for the projective geometry version of the electromagnetic calorimeter of the MPD detector. The results of software tests and some characteristics of the calorimeter are presented.

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8

DASKALAKIS, GEORGIOS. "CMS ECAL PERFORMANCE - TESTBEAM RESULTS." International Journal of Modern Physics A 20, no. 16 (2005): 3823–25. http://dx.doi.org/10.1142/s0217751x05027722.

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The Compact Muon Solenoid (CMS) experiment is a general-purpose detector designed to explore the physics of proton-proton collisions at a centre-of-mass energy of 14 TeV over the full range of luminosities expected at the Large Hadron Collider (LHC). The Electromagnetic Calorimeter (ECAL) will play an essential role in the study of the electroweak symmetry breaking, particularly through the exploration of the Higgs boson sector. To evaluate its characteristics, an ECAL prototype was placed in an electron testbeam at CERN. Highlights of results obtained during the test beam campaign are present

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9

Chudoba, P., D. Borisenko, L. Chlad, et al. "Commissioning of the electromagnetic calorimeter ECAL of the HADES experiment." Journal of Physics: Conference Series 1667 (October 2020): 012007. http://dx.doi.org/10.1088/1742-6596/1667/1/012007.

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10

Shabanov, A., D. Borisenko, P. Chudoba, et al. "Calibration of the electromagnetic calorimeter ECal of the HADES experiment." Journal of Physics: Conference Series 1667 (October 2020): 012039. http://dx.doi.org/10.1088/1742-6596/1667/1/012039.

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11

Di Calafiori, Diogo, Günther Dissertori, Raul Jimenez Estupiñàn, Werner Lustermann, and Serguei Zelepoukine. "Status report on the architecture and future upgrades of the CMS Electromagnetic Calorimeter Control And Safety Systems." EPJ Web of Conferences 214 (2019): 01029. http://dx.doi.org/10.1051/epjconf/201921401029.

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The Electromagnetic Calorimeter (ECAL) is one of the particle detectors of the Compact Muon Solenoid (CMS) experiment at the CERN Large Hadron Collider (LHC). For more than ten years, the CMS ECAL Detector Control System (DCS) and the CMS ECAL Safety Systems (ESS) have supported the experiment operation, contributing to its high availability and safety. The evolution of both systems to fulfil new requirements and constraints, in addition to optimizations towards improving usage and processes automation, led to several changes to their original design. This paper presents the current software/h

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12

Petyt, D. A. "The CMS ECAL Upgrade for Precision Crystal Calorimetry at the HL-LHC." International Journal of Modern Physics: Conference Series 46 (January 2018): 1860074. http://dx.doi.org/10.1142/s2010194518600741.

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The electromagnetic calorimeter (ECAL) of the Compact Muon Solenoid Experiment (CMS) is operating at the Large Hadron Collider (LHC) with proton-proton collisions at 13 TeV center-of-mass energy and at a bunch spacing of 25 ns. Upgrades are necessary for the High-Luminosity upgrade of the LHC (HL-LHC). We review the design and R&D studies for the CMS ECAL crystal calorimeter upgrade. We present test beam results of hadron irradiated PbWO4 crystals up to fluences expected at the HL-LHC. We also report on the R&D for the new readout and trigger electronics, which must be upgraded due to

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13

Cavallari, Francesca, and Chiara Rovelli. "Calibration and Performance of the CMS Electromagnetic Calorimeter in LHC Run2." EPJ Web of Conferences 245 (2020): 02027. http://dx.doi.org/10.1051/epjconf/202024502027.

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Many physics analyses using the Compact Muon Solenoid (CMS) detector at the LHC require accurate, high resolution electron and photon energy measurements. Excellent energy resolution is crucial for studies of Higgs boson decays with electromagnetic particles in the final state, as well as searches for very high mass resonances decaying to energetic photons or electrons. The CMS electromagnetic calorimeter (ECAL) is a fundamental instrument for these analyses and its energy resolution is crucial for the Higgs boson mass measurement. Recently the energy response of the calorimeter has been preci

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14

Jiménez Estupiñán, R., P. Adzic, E. Auffray, et al. "The upgrade and re-validation of the Compact Muon Solenoid Electromagnetic Calorimeter Control and Safety Systems during the Second Long Shutdown of the Large Hadron Collider at CERN." EPJ Web of Conferences 245 (2020): 01009. http://dx.doi.org/10.1051/epjconf/202024501009.

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The Electromagnetic Calorimeter (ECAL) is one of the subdetectors of the Compact Muon Solenoid (CMS), a general-purpose particle detector at the CERN Large Hadron Collider (LHC). The CMS ECAL Detector Control System (DCS) and the CMS ECAL Safety System (ESS) have supported the detector operations and ensured the detector’s integrity since the CMS commissioning phase, more than 10 years ago. Over this long period, several changes to both systems were necessary to correct issues, extend functionality and keep them in-line with current hardware technologies and the evolution of software platforms

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15

Cucciati, Giacomo. "Cms Ecal Daq Monitoring System." EPJ Web of Conferences 214 (2019): 01045. http://dx.doi.org/10.1051/epjconf/201921401045.

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The Large Hadron Collider (LHC) at CERN in Geneva, Switzerland, has just completed the Run 2 era, colliding protons at a center-of-mass energy of 13 TeV at high instantaneous luminosity. The Compact Muon Solenoid (CMS) is a general-purpose particle detector experiment at the LHC. The CMS electromagnetic calorimeter (ECAL) has been designed to achieve excellent energy and position resolution for electrons and photons. A multi-machine distributed software configures the on-detector and off-detector electronic boards composing the ECAL data acquisition (DAQ) system and follows the life cycle of t

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16

Estupiñán, R. Jiménez, L. Marchese, D. Di Calafiori, et al. "Software migration of the CMS ECAL Detector Control System during the CERN Large Hadron Collider Long Shutdown II." EPJ Web of Conferences 251 (2021): 04007. http://dx.doi.org/10.1051/epjconf/202125104007.

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During the second long shutdown (LS2) of the CERN Large Hadron Collider (LHC), the Detector Control System (DCS) of the Compact Muon Solenoid (CMS) Electromagnetic Calorimeter (ECAL) is undergoing a large software upgrade at various levels. The ECAL DCS supervisory system has been reviewed and extended to migrate the underlying software toolkits and platform technologies to the latest versions. The resulting software will run on top of a new computing infrastructure, using the WinCC Open Architecture (OA) version 3.16 and newly developed communication drivers for some of the hardware. The ECAL

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17

De Napoli, Marzio. "Production and Detection of Light Dark Matter at Jefferson Lab: The BDX Experiment." Universe 5, no. 5 (2019): 120. http://dx.doi.org/10.3390/universe5050120.

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The Beam Dump eXperiment (BDX) is a an electron-beam thick-target experiment aimed to investigate the existence of light Dark Matter particles in the MeV-GeV mass region at Jefferson Lab. The experiment will make use of a 10.6 GeV high-intensity electron-beam impinging on the Hall-A beam-dump to produce the Dark Matter particles ( χ ) through the Dark Photon portal. The BDX detector located at ∼20 m from the dump consists of two main components: an electromagnetic calorimeter to detect the signals produced by the χ -electron scattering and a veto system to reject background. The expected signa

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18

Li, Hengne. "Longevity of the CMS ECAL and Scintillator-Based Options for Electromagnetic Calorimetry at HL-LHC." IEEE Transactions on Nuclear Science 63, no. 2 (2016): 580–85. http://dx.doi.org/10.1109/tns.2016.2524622.

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19

Martelli, A. "Evolution of the response of the CMS ECAL and possible design options for electromagnetic calorimetry at the HL-LHC." Journal of Instrumentation 9, no. 04 (2014): C04017. http://dx.doi.org/10.1088/1748-0221/9/04/c04017.

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20

Anfimov, N., V. Anosov, J. Barth, et al. "Tests of the module array of the ECAL0 electromagnetic calorimeter for the COMPASS experiment with the electron beam at ELSA." Physics of Particles and Nuclei Letters 12, no. 4 (2015): 566–69. http://dx.doi.org/10.1134/s1547477115040044.

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21

Kovtun, V. E., and T. V. Malykhina. "CALCULATION OF THE MOLIÈRE RADIUS FOR VARIOUS CONFIGURATIONS OF AN ELECTROMAGNETIC SAMPLING CALORIMETER ECaL SPD NICA." Problems of Atomic Science and Technology, June 4, 2021, 86–90. http://dx.doi.org/10.46813/2021-133-086.

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One of the main tasks of the electromagnetic calorimetry of the SPD setup is effective π0-γ separation in the energy range from 50 MeV to 10 GeV. Therefore, the current task is to optimize the design of the module cells in order to improve the physical parameters of the ECaL calorimeter. The Molière radius is determined in this work by the Monte Carlo method using Geant4 toolkit for various cell configurations of the calorimeter module. The results obtained in this work will be taken into account in the further development of the detecting systems of the ECaL SPD NICA.

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22

"Simulation Study of Energy Resolution of the Electromagnetic Shashlyk Calorimeter for Different of Layers and Absorber Combinations." 3, 2020, no. 3 (2020). http://dx.doi.org/10.26565/2312-4334-2020-3-09.

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The response simulation of an ideal KOPIO-type electromagnetic sampling calorimeter was carried out in the energy range of 50 MeV – 16 GeV using Geant4-10.6.0 toolkit. In this work, we obtained energy resolution parameters for prototypes of Shashlyk calorimeter modules (ECAL SPD) of the NICA collider SPD setup for different thicknesses of a lead absorber with different numbers of layers. The NICA scientific experiment provides a unique opportunity to study parton distributions and correlations in hadron structure when working with high-intensity polarized relativistic ion beams. The ECAL elect

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