CERN Accelerating science

CERN Document Server Pronađeno je 108 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.82 sekundi 
1.
New RPC gas mixtures for sustainable operation in the CMS experiment / CMS Muon Collaboration
The current operation of the Resistive Plate Chamber (RPC) system within the CMS experiment involves approximately 95% tetrafluoroethane (C2H2F4, TFE). However, in response to climate change concerns, the European Union has instituted a ban on TFE owing to its elevated Global Warming Potential, resulting in an associated increase in market prices. [...]
2025 - Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170969 Fulltext: PDF;
2.
CMS iRPC clustering algorithm and hit reconstruction / CMS Muon Collaboration
One of the upgrades of the CMS RPC system is the installation of new chambers – the improved Resistive Plate Chambers – with a new readout technology, achieving a space resolution along the strip of about 2 cm, enabling the inclusion of the RPC hit in the CMS muon reconstruction. The main characteristic of the improved RPC is the two side strip readout which makes a new clusterization algorithm necessary. [...]
2025 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170579
3.
Preliminary aging studies of improved RPC gaps operated with HFO based mixtures / CMS Collaboration
Resistive Plate Chambers (RPCs) at CMS experiment are operated with a gas mixture containing around 95% Tetrafluoroethane (C2H2F4), commonly known as R-134a, which has a global warming potential (GWP) of 1430. In the framework of the CMS Upgrade project for the High Luminosity phase, new improved RPCs (iRPC) have been developed to enhance the legacy performances in the most RPC forward region of the experiment, shown in Fig. [...]
2025 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1077 (2025) 170341
4.
CMS RPC non-physics event data automation ideology / CMS Collaboration
This paper presents a streamlined framework for real-time processing and analysis of condition data from the CMS experiment Resistive Plate Chambers (RPC). Leveraging data streaming, it uncovers correlations between RPC performance metrics, like currents and rates, and LHC luminosity or environmental conditions. [...]
arXiv:2504.08991.- 2025-04-13 - 12 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1076 (2025) 170506 Fulltext: PDF;
In : 17th International Conference on Resistive Plate Chambers and Related Detectors, Santiago de Compostela, 09 - 13 Sep 2024, pp.170506
5.
CMS RPC performance and operation in LHC Run 3 / CMS Collaboration
The CMS experiment has collected more than 180 fb$^{-1}$ of proton-proton collision data at a 13.6 TeV center-of-mass energy in Run 3 data taking (2022, 2023 and 2024). The CMS RPC system faces the challenge of the LHC delivered instantaneous luminosity of up to 2 x 10$^{34}$ cm$^{-2}$s$^{-1}$, providing redundant information for robust muon triggering, reconstruction and identification. [...]
CMS-CR-2024-336.- Geneva : CERN, 2024 - 8 p. Fulltext: PDF;
In : 17th International Conference on Resistive Plate Chambers and Related Detectors, Santiago de Compostela, 09 - 13 Sep 2024
6.
R&D of the cluster finding algorithm for CMS iRPC detector / CMS Muon Collaboration
The Compact Muon Solenoid (CMS) experiment will undergo phase-II upgrade to enhance the capacity of detectors in the High-Luminosity Large Hadron Collider era. An important extension involves the installation of the Improved Resistive Plate Chambers (iRPC) in the most forward part of the endcap muon system. [...]
2024 - 12 p. - Published in : JINST 19 (2024) T12001
7.
Measurement of the background in the CMS muon detector in ${p}{p}$-collisions at $\sqrt{s} = 13$ $\,\text {Te}\hspace{-.08em}\text {V}$ / CMS Muon Collaboration
The CMS detector, including its muon system, has been operating at the CERN LHC in increasingly challenging conditions for about 15 years. The muon detector was designed to provide excellent triggering and track reconstruction for muons produced in proton–proton collisons at an instantaneous luminosity ($\mathcal {L}$) of $1 \times 10^{34}$ cm$^{-2}$s$^{-1}$. [...]
2024 - 43 p. - Published in : Eur. Phys. J. C 84 (2024) 955 Fulltext: PDF;
8.
Research and development of time resolution and time reference adjustment for CMS improved resistive plate chambers (iRPCs) / CMS Muon Group Collaboration
Purpose Improved resistive plate chambers (iRPCs) will be installed in the challenging forward region of the compact muon solenoid (CMS) during its Phase-2 upgrade. The design target of iRPC time resolution is 1.5 ns [...]
2024 - 10 p. - Published in : 10.1007/s41605-024-00473-w
9.
CMS iRPC FEB development and validation / CMS Muon Collaboration
In view of the High Luminosity upgrade of the CERN LHC, the forward CMS Muon spectrometer will be extended with two new stations of improved Resistive Plate Chambers (iRPC) covering the pseudorapidity range from 1.8 to 2.4. Compared to the present RPC system, the gap thickness is reduced to lower the avalanche charge, and an innovative 2D strip readout geometry is proposed. [...]
2024 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1064 (2024) 169400 Fulltext: PDF;
In : 16th Workshop on Resistive Plate Chambers and Related Detectors (RPC 2022), CERN, Geneva, Switzerland, 26-30 Sep 2022, pp.169400
10.
Improved resistive plate chambers for HL-LHC upgrade of CMS / CMS Muon Collaboration
In view of the High Luminosity LHC, the CMS Muon system will be upgraded to sustain its efficient muon triggering and reconstruction performance. Resistive Plate Chambers (RPC) are dedicated detectors for muon triggering due to their excellent timing resolution. [...]
2024 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1060 (2024) 169075
In : 16th Workshop on Resistive Plate Chambers and Related Detectors (RPC 2022), CERN, Geneva, Switzerland, 26-30 Sep 2022, pp.169075

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