Search results for "Excitació nuclear"

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Ionization and scintillation response of high-pressure xenon gas to alpha particles

2013

High-pressure xenon gas is an attractive detection medium for a variety of applications in fundamental and applied physics. In this paper we study the ionization and scintillation detection properties of xenon gas at 10 bar pressure. For this purpose, we use a source of alpha particles in the NEXT-DEMO time projection chamber, the large scale prototype of the NEXT-100 neutrinoless double beta decay experiment, in three different drift electric field configurations. We measure the ionization electron drift velocity and longitudinal diffusion, and compare our results to expectations based on available electron scattering cross sections on pure xenon. In addition, two types of measurements add…

Scintillation (physics)IonizationMECANICA DE LOS MEDIOS CONTINUOS Y TEORIA DE ESTRUCTURASPhysics - Instrumentation and DetectorsMaterials scienceIonitzacióPhysics::Instrumentation and DetectorsFOS: Physical scienceschemistry.chemical_elementElectronCharge transportNuclear excitation01 natural sciences7. Clean energyHigh Energy Physics - ExperimentTECNOLOGIA ELECTRONICAHigh Energy Physics - Experiment (hep-ex)Gaseous detectorsXenonComptadors de centelleigIonization and excitation processesIonization0103 physical sciencesPhysics::Atomic and Molecular ClustersNuclear Experiment (nucl-ex)010306 general physicsInstrumentation and Methods for Astrophysics (astro-ph.IM)Nuclear ExperimentInstrumentationMathematical PhysicsHeliumDetectors de radiacióScintillationTime projection chamber010308 nuclear & particles physicsFísicaMultiplication and electroluminescence in rare gases and liquidsInstrumentation and Detectors (physics.ins-det)Alpha particleDouble-beta decay detectorschemistryNuclear countersScintillation counterExcitació nuclearAtomic physicsAstrophysics - Instrumentation and Methods for Astrophysics
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