Search results for "radioactive ion"

showing 3 items of 43 documents

Transport and extraction of radioactive ions stopped in superfluid helium

2003

A new approach to convert a high energy beam to a low energy one, which is essential for the next generation radioactive ion beam facilities, has been proposed and tested at Jyvaskyla, Finland. An open Ra-223 alpha-decay-recoil source has been used to produce radioactive ions in superfluid helium. The alpha spectra demonstrate that the recoiling Rn-219 ions have been extracted out of liquid helium. This first observation of the extraction of heavy positive ions across the superfluid helium surface was possible thanks to the high sensitivity of radioactivity detection. An efficiency of 36% was obtained for the ion extraction out of liquid helium. (C) 2003 Elsevier Science B.V. All rights res…

radioactive ion beamNuclear and High Energy PhysicssnowballIon beamChemistryLiquid heliumExtraction (chemistry)superfluid heliumIGISOL TECHNIQUENUCLEAR-SPIN POLARIZATIONSpectral linelaw.inventionIonHelium-4lawPhysics::Accelerator PhysicsPhysics::Atomic PhysicsAtomic physicsNuclear ExperimentInstrumentationBeam (structure)Superfluid helium-4
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Use of fragmentation beams at LNS with CHIMERA detector

2012

The recent intensity upgrade of the LNS fragmentation beam is discussed. The available beams, the tagging procedures and details on the beam quality are reported. The experimental program started with the CHIMERA detector using such beams is also discussed with preliminary results and future perspectives. © Owned by the authors, 2012.

radioactive ion beamPhysicsPhysics::Instrumentation and Detectorsbusiness.industryPhysicsQC1-999DetectorEngineering physicsUpgradeOpticsFragmentation (mass spectrometry)Physics and AstronomyPhysics::Accelerator PhysicsLaser beam qualitytagging systembusinessfragmentation beamBeam (structure)
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Sorption and mechanism studies of Cu2+, Sr2+ and Pb2+ ions on mesoporous aluminosilicates/zeolite composite sorbents

2020

The research aimed to develop a novel mesoporous aluminosilicate/zeolite composite by the template co-precipitation method. The effect of aluminosilicate (AlSi) and zeolite (NaY) on the basic properties and adsorption capacity of the resultant composite was conducted at different mass ratios of AlSi/NaY (i.e., 5/90, 10/80, 15/85, 20/80, and 50/50). The adsorption characteristics of such composite and its feedstock materials (i.e., aluminosilicates and zeolite) towards radioactive Sr2+ ions and toxic metals (Cu2+ and Pb2+ ions) in aqueous solutions was investigated. Results indicated that BET surface area (SBET), total pore volume (VTotal), and mesopore volume (VMeso) of prepared materials f…

radioactive ionraskasmetallitzeoliititmesoporous aluminosilicatesilikaatitadsorptiontextural propoertyheavy metalzeolitevedenkäsittelyadsorptiokomposiitit
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