Kernresonanz-Emissionslinien während rascher Radikalreaktionen

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Abstract
Previously observed nuclear magnetic resonance emission lines of products of rapid radical reactions are explained by chemically induced dynamic nuclear polarization. This polarization occurs after the production of radicals by the dynamic coupling between radical electrons and protons, and it is transfered to the products by the secondary reaction. A theoretical analysis shows that this concept leads to a correct order of magnitude calculation of the intensity of emission. New experiments are described the results of which support the explanation. It is concluded that chemically induced dynamic nuclear polarization is not restricted to the systems treated so far but may occur in other investigations also.

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