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11 - Design and Optimization of Polarized Target Experiments

Published online by Cambridge University Press:  03 February 2020

Tapio O. Niinikoski
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Summary

The figure of merit is defined for some scattering applications; this figure permits the objective comparison of the various target types and polarization methods. The optimization of the polarized target operation in particle physics experiments is briefly discussed before treating the sources of possible false asymmetries due to the target. Finally a series of uses of polarized target techniques beyond particle and nuclear physics experiments is presented. These include notably the coherent small-angle neutron scattering (SANS) used in the studies of biological macromolecules, time–resolved SANS, pseudomagnetism, nuclear magnetic ordering, DNP enhancement of high-resolution NMR spectroscopy, particularly in solid state using the magic angle spinning techniques. The sensitivity and contrast enhancement are briefly discussed for magnetic resonance imaging (MRI) techniques. These use various DNP techniques and radical-free injectable polarized fluid methods, as well as the dissolution DNP techniques.

Keywords

figure of meritparticle scattering experimentscoherent scattering of neutronshigh-resolution NMR spectroscopymagic angle spinningsensitivity and contrast enhancement of MRIdissolution DNP
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Chapter
Information
The Physics of Polarized Targets , pp. 436 - 470
Publisher: Cambridge University Press
Print publication year: 2020

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