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Phys. Rev. Lett. 85, 1392 - 1395 (2000)

First On-Line Beta-NMR on Oriented Nuclei: Magnetic Dipole Moments of the (νp1/2)-1 1/2- Ground State in 67Ni and (πp3/2)+1 3/2- Ground State in 69Cu

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J. Rikovska *, T. Giles, N. J. Stone, K. van Esbroeck †, G. White, and A. Wöhr
Department of Physics, Oxford University, Parks Road, OX1 3PU Oxford, United Kingdom

M. Veskovic
Department of Physics, University of Novi Sad, Novi Sad, Yugoslavia

I. S. Towner
Physics Department, Queen's University, Kingston, Ontario, K7L 3N6, Canada

P. F. Mantica, J. I. Prisciandaro, and D. J. Morrissey
Department of Chemistry, Michigan State University, East Lansing, Michigan 48824

V. N. Fedoseyev and V. I. Mishin
Institute of Spectroscopy, Russian Academy of Sciences, 142092 Troitsk, Russia

U. Köster
EP Division, CERN, CH 1211 Geneva 23, Switzerland

W. B. Walters
Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742

the NICOLE and ISOLDE Collaboration

Received 17 April 2000

The first fully on-line use of the angular distribution of beta emission in detection of NMR of nuclei oriented at low temperatures is reported. The magnetic moments of the single valence particle, intermediate mass, isotopes 67Ni(νp1/2-1;1/2-) and 69Cu(πp3/21;3/2-) are measured to be +0.601(5) μN and +2.84(1) μN, respectively, revealing only a small deviation from the neutron p1/2 single-particle value in the former and a large deviation from the proton p3/2 single-particle value in the latter. Quantitative interpretation is given in terms of core polarization and meson-exchange currents.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.85.1392
DOI: 10.1103/PhysRevLett.85.1392
PACS: 21.10.Ky, 21.60.-n, 23.20.En, 27.60.+j

* Also at Department of Chemistry, University of Maryland, College Park, Maryland 20742.
† Visiting scientist from University of Leuven, Celestijnenlaan 200D, B3030 Leuven, Belgium.

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