Quadrupole interaction of8Li and9Li in LiNbO3 and the quadrupole moment of9Li |
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Authors: | E. Arnold J. Bonn W. Neu R. Neugart E. W. Orten The Isolde Collaboration |
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Affiliation: | 1. Institut für Physik, Universit?t Mainz, Federal Republic of Germany 2. CERN, CH-1211, Geneva 23, Switzerland
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Abstract: | The quadrupole interaction of nuclear spin polarized8Li (I=2) and9Li (I=3/2) in LiNbO3 has been studied at room temperature. The polarization was achieved by optical pumping of a fast atomic beam with circularly polarized laser light. The atoms were implanted into a hexagonal LiNbO3 single crystal and the quadrupole splitting ofβ-NMR spectra was measured. A ratio of ¦Q(9Li)/Q(8Li)¦=0.88(4) for the nuclear quadrupole moments was deduced, yielding a new value of ¦Q(9Li)¦=25.3 (9) mb for the quadrupole moment of9Li. |
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