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NUCLEAR RELAXATION IN TIGHTLY COUPLED TWO-SPIN SYSTEMS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/14684

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Title: NUCLEAR RELAXATION IN TIGHTLY COUPLED TWO-SPIN SYSTEMS
Creators: Noggle, Joseph H.
Issue Date: 1964
Abstract: Experimental measurements of nuclear relaxation phenomena have been made for a two-spin system using 2,3-dibromothiophene. The spin system is disturbed from equilibrium by irradiation with a strong RF field at one of the resonance frequencies. The return to equilibrium is then monitored using a weak observing field. Using this method detailed information concerning the mechanism of relaxation can be determined. Two mechanisms, the internal dipole-dipole interaction and the interaction of the two spins with other dipoles in the solution, have been used to fit the experimental data. The contributions to the total relaxation of the two mechanisms have been separated. The degree of correlation between the interactions of the two coupled spins and the external perturbing dipoles is also determined. This gives information on the distance of closest approach which is independent of any assumptions concerning the correlation times on the nature of the perturbing dipoles.
URI: http://hdl.handle.net/1811/14684
Other Identifiers: 1964-T-06
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