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Related Experiment Video

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Hyperpolarized Xenon for NMR and MRI Applications
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Published on: September 6, 2012

RCNP polarized (3)He ion source.

M Tanaka1, Y Takahashi, T Shimoda

  • 1Department of Clinical Technology, Kobe Tokiwa College, Nagata, Kobe, Japan. tanaka@rcnp.osaka-u.ac.jp

The Review of Scientific Instruments
|March 5, 2008
PubMed
Summary
This summary is machine-generated.

Researchers developed a new spin-exchange polarized ion source (SEPIS) for polarized helium-3 ions. The source demonstrates effective polarization of helium-3 ions using rubidium vapor.

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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Published on: June 28, 2018

Area of Science:

  • Nuclear Physics
  • Atomic Physics
  • Ion Source Technology

Background:

  • Generating polarized ion beams is crucial for various nuclear physics experiments.
  • Existing methods for polarizing helium-3 ions have limitations.
  • Spin-exchange polarization offers a promising alternative.

Purpose of the Study:

  • To develop and validate a novel spin-exchange polarized ion source (SEPIS) for producing polarized helium-3 ions.
  • To investigate the efficiency of the spin-exchange process for helium-3 ions interacting with rubidium vapor.
  • To experimentally confirm the performance of the SEPIS by measuring helium-3 nuclear polarization.

Main Methods:

  • Utilizing a spin-exchange cross section for the helium-3 plus rubidium system.
  • Employing a small electron capture cross section for the helium-3 plus rubidium system.
  • Measuring helium-3 nuclear polarization as a function of incident helium-3 ion energy.

Main Results:

  • The SEPIS was successfully developed and implemented at RCNP and Osaka University.
  • Experimental results validated the theoretical expectations for the spin-exchange process.
  • The helium-3 nuclear polarization was successfully observed and measured.

Conclusions:

  • The developed SEPIS is an effective tool for generating polarized helium-3 ion beams.
  • The spin-exchange method with rubidium vapor is viable for helium-3 polarization.
  • The experimental validation confirms the potential of SEPIS for future nuclear physics research.