Search Results - "De Souza, S Fonseca"
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RPC background studies at CMS experiment
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2023)“…During Run2 the high instantaneous luminosity, up to 2.21034cm−2s−1, lead to a substantial hit rate in the Compact Muon Solenoid experiment’s muon chambers due…”
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The CMS RPC system readiness for LHC Run-3 data taking
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2023)“…During Run-3, the LHC is preparing to deliver instantaneous luminosity in the range from 5 × 1034 cm−2 s−1 to 7.5 × 1034 cm−2 s−1. To ensure stable data…”
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Research and development of time resolution and time reference adjustment for CMS improved resistive plate chambers (iRPCs)
Published in Radiation detection technology and methods (01-12-2024)“…Purpose Improved resistive plate chambers (iRPCs) will be installed in the challenging forward region of the compact muon solenoid (CMS) during its Phase-2…”
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K S 0 and Λ ( Λ ‾ ) two-particle femtoscopic correlations in PbPb collisions at s NN = 5.02 TeV
Published in Physics letters. B (01-10-2024)Get full text
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CMS iRPC FEB development and validation
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2024)“…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…”
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Aging studies for the CMS improved Resistive Plate Chambers
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2023)“…For the High Luminosity (HL-LHC) upgrade an upgrade of the CMS detector is foreseen. One of the main projects is the development of the improved Resistive…”
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Search for exotic decays of the Higgs boson to a pair of pseudoscalars in the μ μ b b and τ τ b b final states
Published in The European physical journal. C, Particles and fields (2024)“…A search for exotic decays of the Higgs boson ( ) with a mass of 125 to a pair of light pseudoscalars is performed in final states where one pseudoscalar…”
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Search for exotic decays of the Higgs boson to a pair of pseudoscalars in the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\upmu \upmu \text{ b } \text{ b } $$\end{document}μμbb and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy
Published in The European physical journal. C, Particles and fields (01-01-2024)“…A search for exotic decays of the Higgs boson ( \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts}…”
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New slow control emulator for the CMS phase-2 upgrade RPC link system
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2023)“…The CERN Compact Muon Solenoid (CMS) RPC system phase-2 upgrade project is in good progress. It covers the replacement of the off-detector electronics for the…”
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Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton-proton collisions at s = 13 Te V
Published in The European physical journal. C, Particles and fields (2023)“…The mass of the top quark is measured in 36.3 of LHC proton-proton collision data collected with the CMS detector at . The measurement uses a sample of top…”
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A search for decays of the Higgs boson to invisible particles in events with a top-antitop quark pair or a vector boson in proton-proton collisions at s = 13 Te V
Published in The European physical journal. C, Particles and fields (2023)“…A search for decays to invisible particles of Higgs bosons produced in association with a top-antitop quark pair or a vector boson, which both decay to a fully…”
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A search for decays of the Higgs boson to invisible particles in events with a top-antitop quark pair or a vector boson in proton-proton collisions at \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sqrt{s} = 13\,\text {Te}\hspace{-.08em}\text {V} $$\end{document}s=13TeV
Published in The European physical journal. C, Particles and fields (01-01-2023)“…A search for decays to invisible particles of Higgs bosons produced in association with a top-antitop quark pair or a vector boson, which both decay to a fully…”
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Measurement of the background in the CMS muon detector in $${p}{p}$$ pp -collisions at $$\sqrt{s} = 13$$ s = 13 $$\,\text {Te}\hspace{-.08em}\text {V}$$ Te V
Published in The European physical journal. C, Particles and fields (01-09-2024)“…Abstract The CMS detector, including its muon system, has been operating at the CERN LHC in increasingly challenging conditions for about 15 years. The muon…”
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Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at sqrt[s]=7 and 8 TeV
Published in Physical review letters (28-06-2024)“…A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The datasets used correspond to an…”
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Search for Baryon Number Violation in Top Quark Production and Decay Using Proton-Proton Collisions at sqrt[s]=13 TeV
Published in Physical review letters (14-06-2024)“…A search is presented for baryon number violating interactions in top quark production and decay. The analysis uses data from proton-proton collisions at a…”
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Search for long-lived particles decaying to final states with a pair of muons in proton-proton collisions at s $$ \sqrt{s} $$ = 13.6 TeV
Published in The journal of high energy physics (01-05-2024)“…Abstract An inclusive search for long-lived exotic particles (LLPs) decaying to final states with a pair of muons is presented. The search uses data…”
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Search for exotic decays of the Higgs boson to a pair of pseudoscalars in the $$\upmu \upmu \text{ b } \text{ b } $$ μ μ b b and $$\uptau \uptau \text{ b } \text{ b } $$ τ τ b b final states
Published in The European physical journal. C, Particles and fields (01-05-2024)“…Abstract A search for exotic decays of the Higgs boson ( $$\text {H}$$ H ) with a mass of 125 $$\,\text {Ge}\hspace{-.08em}\text {V}$$ Ge V to a pair of light…”
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Search for dark matter particles in W+W − events with transverse momentum imbalance in proton-proton collisions at s $$ \sqrt{s} $$ = 13 TeV
Published in The journal of high energy physics (01-03-2024)“…Abstract A search for dark matter particles is performed using events with a pair of W bosons and large missing transverse momentum. Candidate events are…”
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A Science4Peace initiative: Alleviating the consequences of sanctions in international scientific cooperation
Published 12-03-2024“…The armed invasion of Ukraine by the Russian Federation has adversely affected the relations between Russia and Western countries. Among other aspects, it has…”
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