CERN Accelerating science

CERN Document Server 1,068 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.71 sekúnd. 
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.
Performance and long-term aging studies on Eco-Friendly Resistive Plate Chamber detectors / RPC EcoGas@GIF++ Collaboration
In High Energy Physics Resistive Plate Chamber (RPC) detectors are typically operated in avalanche mode, making use of a high-performance gas mixture whose main component, Tetrafluoroethane (C2H2F4), is classified as a fluorinated high Global Warming Potential greenhouse gas. The RPC EcoGas@GIF++ Collaboration is pursuing an intensive R&D; on new gas mixtures for RPC detectors to explore environmentally friendly alternatives complying with recent European regulations. [...]
2025 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170624
3.
Long-Term Ageing Studies on Eco-Friendly Resistive Plate Chamber Detectors / Abbrescia, Marcello (Bari U. ; INFN, Bari) ; Aielli, Giulio (Rome U., Tor Vergata ; INFN, Rome2) ; Aly, Reham (Helwan U. ; INFN, Bari) ; Arena, Maria Cristina (Pavia U.) ; Ferreira, Mapse Barroso (Rio de Janeiro State U.) ; Benussi, Luigi (Frascati) ; Bianco, Stefano (Frascati) ; Bordon, Fabio (CERN) ; Boscherini, Davide (INFN, Bologna) ; Bruni, Alessia (INFN, Bologna) et al.
In high-energy physics, resistive plate chamber (RPC) detectors operating in avalanche mode make use of a high-performance gas mixture. Its main component, Tetrafluoroethane (C2H2F4), is classified as a fluorinated greenhouse gas. [...]
2025 - 10 p. - Published in : Particles: 8 (2025) , no. 1, pp. 15
- Published in : Particles: 8 (2025) , no. 1, pp. 15 Fulltext: PDF;
In : 13th International Conference on New Frontiers in Physics 2024 (ICNFP 2024), Kolymbari, Greece, 26 Aug - 4 Sep 2024, pp.15
4.
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
5.
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
6.
Eco-friendly resistive plate chamber detectors for HEP applications / Pastore, A (INFN, Bari) ; Congedo, L (INFN, Bari) ; Abbrescia, M (INFN, Bari) ; Aly, R (INFN, Bari) ; Serio, M De (INFN, Bari) ; Galati, G (INFN, Bari) ; Pugliese, G (INFN, Bari) ; Ramos, D (INFN, Bari) ; Simone, S (INFN, Bari) ; Boscherini, D (INFN, Bologna) et al.
Resistive Plate Chamber detectors are largely employed in current High Energy Physics experiments, thanks to their relatively low cost and good spatial/time resolution. They are typically operated in avalanche mode with large fractions of Tetrafluoroethane (C2H2F4), a gas recently banned by the European Union due to its high Global Warming Potential (GWP). [...]
2025 - 12 p. - Published in : Int. J. Mod. Phys. A 40 (2025) 2541002
In : 11th International Conference on New Frontiers in Physics (ICNFP 2022), Kolymbari, Crete, Greece, 30 Aug - 11 Sep 2022, pp.2541002
7.
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
8.
Signal shape studies and rate dependence of HFO-based gas mixtures in RPC detectors / RPC ECOGas@GIF++ Collaboration
The RPCs employed at the LHC experiments are currently operated in avalanche mode, with a mixture containing a large fraction of C$_{2}$H$_{2}$F$_{4}$ ($\approx$90% or more) with the addition of i-C$_{4}$H$_{10}$ and SF$_{6}$ in different concentrations. However, C$_{2}$H$_{2}$F$_{4}$ and SF$_{6}$ are fluorinated greenhouse gases (F-gases) with Global Warming Potential (GWP) of $\approx$1400 and $\approx$22800, respectively. [...]
arXiv:2502.02374.- 2025-06-28 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170770 Fulltext: 2502.02374 - PDF; document - PDF;
9.
CMS RPC performance and operation in LHC Run 3 / CMS Collaboration
The CMS experiment has collected more than 180 fb$^{-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
10.
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

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