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Total spin coherence transfer echo spectroscopy

Garbow, J. R. and Weitekamp, D. P. and Pines, A. (1983) Total spin coherence transfer echo spectroscopy. Journal of Chemical Physics, 79 (11). pp. 5301-5310. ISSN 0021-9606. doi:10.1063/1.445692.

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The sensitivity of multiple quantum NMR transitions to magnetic field inhomogeneity and the relative phases and amplitudes of multiple quantum lines are discussed. The technique of total spin coherence transfer echo spectroscopy (TSCTES) is described and experimentally demonstrated. The TSCTES method allows multiple quantum spectra to be obtained which are free of inhomogeneous magnet broadening, yet remain sensitive to spin–spin couplings and chemical shift differences. The method takes advantage of the properties of the total spin coherence, the unique transition between the extreme eigenstates of a coupled spin system. Experimental results are reported for partially oriented acetaldehyde and are analyzed in terms of irreducible tensor operators. Limitations on the method and extensions to heteronuclear spin systems are also discussed.

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Additional Information:Copyright © 1983 American Institute of Physics. Received 19 July 1983; accepted 9 August 1983. The authors gratefully acknowledge the assistance of Jim Murdoch in the computer simulations and of Dione Carmichael in the preparation of this manuscript. This work was supported by the Director, Office of Energy Research, Basic Energy Sciences, Materials Sciences Division of the U.S. Department of Energy under Contract Number DE-AC03-76SF00098.
Subject Keywords:spin echo, nmr spectra, energy−level transitions, magnetic fields, sensitivity, measuring methods
Issue or Number:11
Record Number:CaltechAUTHORS:GARjcp83
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10864
Deposited By: Archive Administrator
Deposited On:14 Jun 2008
Last Modified:08 Nov 2021 21:11

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