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Highly polarized muonic He produced by collisions with laser optically pumped Rb

Barton, A. S. and Bogorad, P. and Cates, G. D. and Mabuchi, H. and Middleton, H. and Newbury, N. R. and Holmes, R. and McCracken, J and Souder, P. A. and Xu, J. and Tupa, D. (1993) Highly polarized muonic He produced by collisions with laser optically pumped Rb. Physical Review Letters, 70 (6). pp. 758-761. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:BARprl93

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Abstract

We have formed highly polarized muonic helium by stopping unpolarized negative muons in a mixture of unpolarized gaseous He and laser polarized Rb vapor. The stopped muons form muonic He ions which are neutralized and polarized by collisions with Rb. Average polarizations for 3He and 4He of (26.8±2.3)% and (44.2±3.5)% were achieved, representing a tenfold increase over previous methods. Relevant cross sections were determined from the time evolution of the polarization. Highly polarized muonic He is valuable for measurements of the induced pseudoscalar coupling gp in nuclear muon capture.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.70.758DOIUNSPECIFIED
http://link.aps.org/abstract/PRL/v70/p758PublisherUNSPECIFIED
Additional Information:©1993 The American Physical Society. Received 24 September 1992. We gratefully acknowledge many helpful discussions with Will Happer and the assistance of Bastiaan Driehuys. This work is supported by the U.S. Department of Energy under Grants No. DE-FG02-90ER40557 and No. DE-FG02-84ER40146.
Funders:
Funding AgencyGrant Number
Department of EnergyDE-FG02-90ER40557
Department of EnergyDE-FG02-84ER40146
Record Number:CaltechAUTHORS:BARprl93
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BARprl93
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ID Code:11279
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Deposited On:29 Jul 2008 15:56
Last Modified:26 Dec 2012 10:11

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