Transverse Spin Relaxation in Liquidin the Presence of Large Dipolar Fields
- 23 July 2001
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 87 (6) , 067601
- https://doi.org/10.1103/physrevlett.87.067601
Abstract
Using spin-echo NMR techniques we study the transverse spin relaxation of hyperpolarized liquid 129Xe in a spherical cell. We observe an instability of the transverse magnetization due to dipolar fields produced by liquid 129Xe, and find that imperfections in the pi pulses of the spin-echo sequence suppress this instability. A simple perturbative model of this effect is in good agreement with the data. We obtain a transverse spin relaxation time of 1300 sec in liquid 129Xe, and discuss applications of hyperpolarized liquid 129Xe as a sensitive magnetic gradiometer and for a permanent electric dipole moment search.Keywords
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