Search results for "Radioisotopes -- Decay"

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Initial results of NEXT-DEMO, a large-scale prototype of the NEXT-100 experiment

2013

NEXT-DEMO is a large-scale prototype of the NEXT-100 detector, an electroluminescent time projection chamber that will search for the neutrinoless double beta decay of Xe-136 using 100-150 kg of enriched xenon gas. NEXT-DEMO was built to prove the expected performance of NEXT-100, namely, energy resolution better than 1% FWHM at 2.5MeV and event topological reconstruction. In this paper we describe the prototype and its initial results. A resolution of 1.75% FWHM at 511 keV (which extrapolates to 0.8% FWHM at 2.5 MeV) was obtained at 10 bar pressure using a gamma-ray calibration source. Also, a basic study of the event topology along the longitudinal coordinate is presented, proving that it…

MECANICA DE LOS MEDIOS CONTINUOS Y TEORIA DE ESTRUCTURASPhysics - Instrumentation and DetectorsBar (music)Isòtops radioactius -- DesintegracióTime projection chambersPattern recognition SystemsFOS: Physical scienceschemistry.chemical_elementElectron7. Clean energy01 natural sciencesNuclear physicsTECNOLOGIA ELECTRONICAXenonCambres d'ionitzacióCluster analysisDouble beta decayPattern recognition0103 physical sciencesCalibrationReconeixement de formes (Informàtica)Calibratge010306 general physicsInstrumentationMathematical PhysicsRadioisotopes -- DecayPhysicsCalibration and fitting methodsTime projection chamber010308 nuclear & particles physicsDetectorCluster findingFísicaInstrumentation and Detectors (physics.ins-det)Double-beta decay detectorsAnàlisi de conglomeratschemistryCalibrationEvent (particle physics)Ionization Chambers
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