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Quantitative theory of chemically induced dynamic nuclear polarisation in high magnetic fields
Author(s) -
Buchachenko A. L.,
Markarian Sh. A.
Publication year - 1973
Publication title -
organic magnetic resonance
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0030-4921
DOI - 10.1002/mrc.1270050511
Subject(s) - exponential function , radical , function (biology) , population , exponential growth , molecule , distribution (mathematics) , physics , spin (aerodynamics) , chemistry , statistical physics , materials science , molecular physics , computational chemistry , nuclear magnetic resonance , thermodynamics , mathematics , mathematical analysis , quantum mechanics , demography , organic chemistry , evolutionary biology , sociology , biology
Further development of the diffusional model of the radical pair is suggested. A function is proposed for the exponential distribution of the diffusional trajectories of the radicals in a radical pair. By this function, the differences in the populations of nuclear spin levels in the molecules are calculated for the S, T and U precursor pairs. The equations which express the relationship between the theoretically calculated population differences and the experimentally determined enhancement coefficients are derived.