Temperature dependence of 3He polarization in aluminum storage cells

W. Korsch, R. W. Carr, D. DeSchepper, A. Dvoredsky, L. H. Kramer, Y. Li, R. D. McKeown, R. G. Milner, S. F. Pate, M. L. Pitt, T. Shin

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The temperature dependence of the polarization of 3He atoms in an internal target cell has been studied. Metastable optically pumped polarized 3He atoms with typical polarization values of 40% were injected into a thin-walled aluminum cell of 40 cm length and a 29.0 × 9.8 mm2 elliptical cross-section. The cell temperature was varied between 5 and 85 K. The polarization inside the target cell was measured via an asymmetry in the 3He (d,p)4He reaction at a deuteron energy of 4 MeV. An exponential decrease of the polarization was found for temperatures less than 15 K. For a temperature of ∼6 K a polarization consistent with zero was measured.

Original languageEnglish
Pages (from-to)389-397
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number3
StatePublished - Apr 21 1997

Bibliographical note

Funding Information:
We would like to thank Jim Kelsey and Jack Richards for their technicals upport during the design and the installationo f this experimentT. his work is supportedin part by the National Science Foundation, Grant PHY94-20470a nd by the United StatesD epartmento f Energy under cooperativea greementN o. DE-FC02-94ER40818.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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