Search results for "krypton: decay"

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High-resolution spectroscopy of gaseous $^\mathrm{83m}$Kr conversion electrons with the KATRIN experiment

2020

In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous $^\mathrm{83m}$Kr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The results obtained in this calibration measurement represent a major commissioning milestone for the upcoming direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the full KATRIN beamline. The KATRIN main spectrometer's excellent energy resolution of ~ 1 eV made it possible to determine the narrow K-32 and L$_3$-32 conversion electron line widths with an unprecedented precision of ~ 1 %.

Nuclear and High Energy PhysicsSpeichertechnik - Abteilung BlaumPhysics - Instrumentation and DetectorsResolution (mass spectrometry)Physics::Instrumentation and Detectorsenergy resolutionFOS: Physical sciencesElectron[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]KATRIN7. Clean energy01 natural sciencesAtomicneutrino massNuclear physicsParticle and Plasma Physicsconversion electronsMetastability0103 physical sciencesNuclearddc:530[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]Nuclear Experiment (nucl-ex)010306 general physicsSpectroscopyNuclear ExperimentPhysicsSpectrometerelectrostatic spectrometer010308 nuclear & particles physicsPhysicskrypton: decayMolecularInstrumentation and Detectors (physics.ins-det)krypton: nuclide530 PhysikcalibrationNuclear & Particles Physicsddc:3. Good healthBeamlineelectron: energy spectrumNeutrinoperformanceKATRIN
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