Spin Transfer from an Optically Pumped Alkali Vapor to a Solid

descriptionPublicationkeyboard_double_arrow_right Article 04 May 2007 English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 98 (issn: 0031-9007, eissn: 1079-7114,

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Authors: K, Ishikawa; B, Patton; Y-Y, Jau; W, Happer;

doi: 10.1103/physrevlett.98.183004

pmid: 17501572

Spin Transfer from an Optically Pumped Alkali Vapor to a Solid

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Abstract

We report enhancement of the spin polarization of 133Cs nuclei in CsH salt by spin transfer from an optically pumped cesium vapor. The nuclear polarization was 4.0 times the equilibrium polarization at 9.4 T and 137 degrees C, with larger enhancements at lower fields. This work is the first demonstration of spin transfer from a polarized alkali vapor to the nuclei of a solid, opening up new possibilities for research in hyperpolarized materials.

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