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CPMGT2

Introduction:

The Carr-Purcell Meiboom-Gill T2 measurement is used to determine the transverse or spin-spin relaxation time T2. Physically, measuring the T2 determines the decay of the magnetization projection in the x-y plane (Mx-y) which is directly related to the linewidth. The T2 time must clearly be distinguished from the T1 (the spin-lattice relaxation) time. Knowledge of the T2 relaxation time is important in planning many different types of NMR experiments.
 
References:
  • S. Meiboom and D. Gill, Rev. Sci. Inst. 1958, 29, 688-691.
  • M. L. Martin, J. -J. Delpuech, G. J. Martin, Practical NMR Spectroscopy, Heyden, London, 1980, 280-287.
  • R. Freeman, A Handbook of Nuclear Magnetic Resonance, Longman Scientific Technical, Harlow, 1987, 262-266.
  • S. W. Homans, A Dictionary of Concepts in NMR, Revised Edition, Clarendon Press, Oxford, 1993, 310-314.