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Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh
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Engineering
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JoVE Journal Engineering
Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh

DOI:
10.3791/58516-v

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10:42 min

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May 03, 2019

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, , ,
1Faculty of Physics,Ludwig-Maximilians-Universität München

Chapters

  • 00:04Title
  • 00:32Overview of the Experiment
  • 02:27Preparation of the Gas System and Supply of Ultra-pure He
  • 04:03Application of the Electric Guiding Fields for Continuous Ion Extraction
  • 06:29Probe the Ion Extraction and Tune the Quadrupole Mass Separator
  • 08:01Detection of the Isomeric Decay
  • 08:55Results: Demonstration of Direct Decay of the 229Th Isomer Using an Isotopically Pure 229Th Ion Beam
  • 10:15Conclusion

Summary

Automatic Translation

Automatic Translation

We present a protocol for the generation of an isotopically purified low-energy 229Th ion beam from a 233U source. This ion beam is used for the direct detection of the 229mTh ground-state decay via the internal-conversion decay channel. We also measure the internal conversion lifetime of 229mTh as well.

Tags

Keywords: Isotopically Pure 229Th Ion Beam229mThUranium-233 SourceAlpha DecayThorium-229 IsomersBuffer Gas Stopping CellElectric Funnel SystemRadio Frequency Quadrupole StructureQuadrupole Mass SeparatorTriodic-electrode SystemMicro Channel Plate DetectorCatalytic Gas PurifierHelium Gas CylinderPressure Reducer ValveGas Flow Control

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