| Numéro |
J. Phys. III France
Volume 5, Numéro 8, August 1995
|
|
|---|---|---|
| Page(s) | 1287 - 1295 | |
| DOI | https://doi.org/10.1051/jp3:1995104 | |
DOI: 10.1051/jp3:1995104
J. Phys. III France 5 (1995) 1287-1295
1 Laboratoire de Spectroscopie Atomique, I.S.M.R.A., Bd M$^{\rm al}$ Juin, 14050 Caen Cedex, France
2 Université de Caen, UFR de Sciences, Esplanade de la paix, 14032 Caen Cedex, France
3 Laboratoire Kastler Brossel de l'E.N.S., 24 rue Lhomond, 75231 Paris Cedex 05, France
© Les Editions de Physique 1995
J. Phys. III France 5 (1995) 1287-1295
3He Nuclear Spin Relaxation in Cesium Coated Cells at Room Temperature
B. Chéron1, 2, H. Gilles1, J. Hamel1, M. Leduc3, O. Moreau1 and E. Noël11 Laboratoire de Spectroscopie Atomique, I.S.M.R.A., Bd M$^{\rm al}$ Juin, 14050 Caen Cedex, France
2 Université de Caen, UFR de Sciences, Esplanade de la paix, 14032 Caen Cedex, France
3 Laboratoire Kastler Brossel de l'E.N.S., 24 rue Lhomond, 75231 Paris Cedex 05, France
(Received 19 January 1995, accepted 16 May 1995)
Abstract
The relaxation time
of
3He gas, nuclearly polarized by optical pumping, has been significantly increased by internally coating the glass cells with
cesium. Values of
of order 45 hours were recorded at room temperature, resulting from collisions of the atoms with the cell wall. The possibility
of keeping nuclear polarization for several days opens up new possibilities in NMR
3He magnetometry. Empirical means for characterizing the cesium coatings are proposed.
© Les Editions de Physique 1995