Neutron polarization with polarized 3He

K. P. Coulter; A. B. McDonald; W. Happer; T. E. Chupp; M. E. Wagshul

doi:10.1016/0168-9002(88)90013-7

Neutron polarization with polarized ³He

K. P. Coulter, A. B. McDonald, W. Happer, T. E. Chupp, M. E. Wagshul

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40 Scopus citations

Abstract

An effective polarizer for thermal and epithermal neutrons is possible with polarized, high density, gaseous ³He. We describe the technique of ³He polarization by spin exchange with laser optically pumped Rb vapor which can provide 6 cm³of > 70% polarized ³He at a density of 3×10²⁰ atoms cm^-3 (10 atm at STP). The ³He polarization can be rapidly reversed, a requirement for sensitive symmetry tests.

Original language	English (US)
Pages (from-to)	90-94
Number of pages	5
Journal	Nuclear Inst. and Methods in Physics Research, A
Volume	270
Issue number	1
DOIs	https://doi.org/10.1016/0168-9002(88)90013-7
Publication status	Published - Jul 1 1988
Externally published	Yes

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ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Cite this

Coulter, K. P., McDonald, A. B., Happer, W., Chupp, T. E., & Wagshul, M. E. (1988). Neutron polarization with polarized ³He. Nuclear Inst. and Methods in Physics Research, A, 270(1), 90-94. https://doi.org/10.1016/0168-9002(88)90013-7

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AU - Happer, W.

AU - Chupp, T. E.

AU - Wagshul, M. E.

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N2 - An effective polarizer for thermal and epithermal neutrons is possible with polarized, high density, gaseous 3He. We describe the technique of 3He polarization by spin exchange with laser optically pumped Rb vapor which can provide 6 cm3of > 70% polarized 3He at a density of 3×1020 atoms cm-3 (10 atm at STP). The 3He polarization can be rapidly reversed, a requirement for sensitive symmetry tests.

AB - An effective polarizer for thermal and epithermal neutrons is possible with polarized, high density, gaseous 3He. We describe the technique of 3He polarization by spin exchange with laser optically pumped Rb vapor which can provide 6 cm3of > 70% polarized 3He at a density of 3×1020 atoms cm-3 (10 atm at STP). The 3He polarization can be rapidly reversed, a requirement for sensitive symmetry tests.

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Access to Document

10.1016/0168-9002(88)90013-7