Search results for "Experimental techniques"

showing 6 items of 226 documents

Measurements of Low-Energy Protons using a Silicon Detector for Application to SEE Testing

2021

A silicon detector with a fast electronics chain is used for the dosimetry of protons in the range 0.5-5 MeV at the Centro Nacional de Aceleradores (CNA) 3 MV Tandem laboratory in Seville, Spain. In this configuration, measurements can be performed in pulsed mode, using a digitizer to record event-by-event proton energy depositions. The distributions of deposited energy were obtained thanks to a calibration with an alpha source. Measurements of flux and deposited energy are used to enable single event effect (SEE) testing on selected static random access memories (SRAMs).

protonitNuclear and High Energy PhysicspiiSilicon detectorMaterials sciencebusiness.industrySingle event effectskalibrointiLow energysäteilyfysiikkaNuclear Energy and EngineeringilmaisimetdosimetritOptoelectronicsSilicon detectorElectrical and Electronic EngineeringDetectors and Experimental TechniquesLow-energy protonsbusinessIEEE Transactions on Nuclear Science ( Volume: 69, Issue: 3, March 2022)
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Positron production using a 9 MeV electron linac for the GBAR experiment

2020

For the GBAR (Gravitational Behaviour of Antihydrogen at Rest) experiment at CERN's Antiproton Decelerator (AD) facility we have constructed a source of slow positrons, which uses a low-energy electron linear accelerator (linac). The driver linac produces electrons of 9 MeV kinetic energy that create positrons from bremsstrahlung-induced pair production. Staying below 10 MeV ensures no persistent radioactive activation in the target zone and that the radiation level outside the biological shield is safe for public access. An annealed tungsten-mesh assembly placed directly behind the target acts as a positron moderator. The system produces $5\times10^7$ slow positrons per second, a performan…

safetyAntimatterNuclear and High Energy PhysicsCERN LabPhysics - Instrumentation and DetectorstungstenPositronAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesElectron01 natural sciences7. Clean energyLinear particle acceleratorpositron: particle source010305 fluids & plasmaselectron: pair productionNuclear physicselectron: linear acceleratorPositronPositron; Linear accelerator; Antimatter; Antihydrogen; Gravitation0103 physical sciences[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]Detectors and Experimental TechniquesNuclear Experiment010306 general physicsAntihydrogenphysics.ins-detInstrumentationenergy: lowantihydrogenPhysicsLarge Hadron Collidergravitation 2Instrumentation and Detectors (physics.ins-det)linear acceleratorAntiproton DeceleratorPair productionradioactivityAntimattergravitation: accelerationPhysics::Accelerator PhysicsHigh Energy Physics::Experimentperformancepositron: yieldGravitationNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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A concept for the extraction of the most refractory elements at CERN-ISOLDE as carbonyl complex ions

2021

The European physical journal / A 58(5), 94 (2022). doi:10.1140/epja/s10050-022-00739-1

spectroscopyNuclear and High Energy PhysicsPhysics - Instrumentation and DetectorsFOS: Physical sciencesInstrumentation and Detectors (physics.ins-det)dissociation530moonline separationdischargehexacarbonylsionizationfissionbeamsddc:530Detectors and Experimental Techniquesphysics.ins-detisotopes
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Performance Improvements of EventIndex Distributed System at CERN

2023

El trabajo de esta tesis se enmarca dentro del proyecto EventIndex del experimento ATLAS, un gran detector de partı́culas del LHC (Gran Colisionador de Hadrones) en el CERN. El objetivo del proyecto es catalogar todas las colisiones de partı́culas, o eventos, registrados en el detector ATLAS y también simulados a lo largo de sus años de funcionamiento. Con este catálogo se pueden caracterizar los datos a nivel de evento para su búsqueda y localización por parte de los usuarios finales. También se pueden realizar comprobaciones en la cadena de registro y reprocesado de los datos, para comprobar su corrección y optimizar futuros procesos. Debido al incremento en las tasas y volumen de datos e…

storagedistributed computingUNESCO::CIENCIAS TECNOLÓGICAS::Tecnología de los ordenadores ::Dispositivos de almacenamientobig dataDetectors and Experimental TechniquesgridUNESCO::CIENCIAS TECNOLÓGICAS::Tecnología de los ordenadores ::Arquitectura de ordenadoresComputing and Computers
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Extending Physics Potential of Large Liquid Scintillator Neutrino Detectors

2016

tutkimuslaitteetneutriinotneutrinosliquid scintillatorsnestetuikeilmaisimetsteriilit neutriinotneutriino-oskillaatioCP violationsterile neutrinosilmaisimetCP-rikkoneutrino oscillationDetectors and Experimental TechniquesgeoneutriinotgeoneutrinosParticle Physics - Experimentneutrino detectors
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The ALICE experiment at the CERN LHC

2008

Journal of Instrumentation 3(08), S08002 (2008). doi:10.1088/1748-0221/3/08/S08002

visible and IR photonsLiquid detectorshigh energyPhotonPhysics::Instrumentation and DetectorsTransition radiation detectorsTiming detectors01 natural sciencesOverall mechanics designParticle identificationSoftware architecturesParticle identification methodsGaseous detectorscluster findingDetector cooling and thermo-stabilizationDetector groundingParticle tracking detectors[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Special cablesDetector alignment and calibration methodsDetectors and Experimental TechniquesNuclear ExperimentVoltage distributions.Photon detectors for UVInstrumentationMathematical PhysicsQuantum chromodynamicsPhysicsLarge Hadron ColliderSpectrometersPhysicsDetectorcalibration and fitting methodsTransition radiation detectorScintillatorsData processing methodsAnalysis and statistical methodsData reduction methodsParticle physicsCherenkov and transition radiationTime projection chambers610dE/dx detectorsNuclear physicsCalorimetersPattern recognitionGamma detectors0103 physical sciencesddc:610Solid state detectors010306 general physicsMuonInstrumentation for heavy-ion acceleratorsSpectrometerLarge detector systems for particle and astroparticle physics010308 nuclear & particles physicsCERN; LHC; ALICE; heavy ion; QGPCherenkov detectorsComputingVoltage distributionsManufacturingscintillation and light emission processesanalysis and statistical methods; calorimeters; cherenkov and transition radiation; cherenkov detectors; computing; data processing methods; data reduction methods; de/dx detectors; detector alignment and calibration methods; detector cooling and thermo-stabilization; detector design and construction technologies and materials; detector grounding; gamma detectors; gaseous detectors; instrumentation for heavy-ion accelerators; instrumentation for particle accelerators and storage rings - high energy; large detector systems for particle and astroparticle physics; liquid detectors; manufacturing; overall mechanics design; particle identification methods; particle tracking detectors; pattern recognition; cluster finding; calibration and fitting methods; photon detectors for uv; visible and ir photons; scintillators; scintillation and light emission processes; simulation methods and programs; software architectures; solid state detectors; special cables; spectrometers; time projection chambers; timing detectors; transition radiation detectors; voltage distributionsInstrumentation for particle accelerators and storage ringsInstrumentation; Mathematical PhysicsHigh Energy Physics::ExperimentSimulation methods and programsDetector design and construction technologies and materials
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