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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;

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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

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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

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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

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Observation of $ \mathrm{W}\mathrm{Z}\gamma $ production and constraints on new physics scenarios in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A measurement of the $ \mathrm{W}\mathrm{Z}\gamma $ triboson production cross section is presented. The analysis is based on a data sample of proton-proton collisions at a center-of-mass energy of $ \sqrt{s}= $ 13 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2503.21977; CMS-SMP-22-018; CERN-EP-2025-020; CMS-SMP-22-018-003.- Geneva : CERN, 2025-07-01 - 25 p. - Published in : Phys. Rev. D 112 (2025) 012009 Fulltext: SMP-22-018-arXiv - PDF; 2503.21977 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList

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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

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Performance of the CMS high-level trigger during LHC Run 2 / CMS Collaboration
The CERN LHC provided proton and heavy ion collisions during its Run 2 operation period from 2015 to 2018. Proton-proton collisions reached a peak instantaneous luminosity of 2.1 $ \times $ 10$^{34}$ cm$^{-2}$s$^{-1} $, twice the initial design value, at $ \sqrt{s}= $ 13 TeV. [...]
arXiv:2410.17038; CMS-TRG-19-001; CERN-EP-2024-259; CMS-TRG-19-001-003.- Geneva : CERN, 2024-11-22 - 62 p. - Published in : JINST 19 (2024) P11021 Fulltext: CMS-TRG-19-001-arXiv - PDF; 2410.17038 - PDF; FERMILAB-PUB-24-0717-CMS - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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Update of the Brazilian Participation in the Next-Generation Collider Experiments / Aldá Júnior, W.L. (Rio de Janeiro State U.) ; Alves, G.A. (Rio de Janeiro, CBPF) ; Amarilo, K.M. (Rio de Janeiro State U.) ; Filho, M. Barroso Ferreira (Rio de Janeiro State U.) ; Bernardes, C.A. (Rio Grande do Sul U. ; Sao Paulo, IFT) ; da Costa, E.M. (Rio de Janeiro State U.) ; da Graça, U. de Freitas Carneiro (Rio de Janeiro, CBPF ; CEFET, Rio de Janeiro) ; de Jesus Damião, D. (Rio de Janeiro State U.) ; de Souza Fonseca, S. (Rio de Janeiro State U.) ; Mendes, L.M. Domingues (LIP, Lisbon ; Rio de Janeiro, CBPF) et al.
This proposal outlines the future plans of the Brazilian High-Energy Physics (HEP) community for upcoming collider experiments. [...]
arXiv:2410.05205. - 24.
Fulltext

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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;

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10.

Data Quality Monitoring through Transfer Learning on Anomaly Detection for the Hadron Calorimeters / CMS HCAL Collaboration
The proliferation of sensors brings an immense volume of spatio-temporal (ST) data in many domains for various purposes, including monitoring, diagnostics, and prognostics applications. [...]
arXiv:2408.16612. - 28.
Fermilab Library Server - Fulltext - Fulltext

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Se också: liknande författarnamn
4	Alves, G
1	Alves, G A
1	Alves, G. A.
33	Alves, G.A.
1	Alves, Gelio
1413	Alves, Gilvan
2	Alves, Gilvan A
5	Alves, Gilvan Augusto
1	Alves, Guilherme Camargo

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