Phys. Rev. Lett. 96, 033002 (2006) [4 pages]
Nuclear Charge Radii of 9,11Li: The Influence of Halo Neutrons
Abstract
References (29)
Citing Articles
R. Sánchez, 1 W. Nörtershäuser, 1,2 G. Ewald, 1 D. Albers, 3 J. Behr, 3 P. Bricault, 3 B. A. Bushaw, 4 A. Dax, 1 J. Dilling, 3 M. Dombsky, 3 G. W. F. Drake, 5 S. Götte, 1 R. Kirchner, 1 H.-J. Kluge, 1 Th. Kühl, 1 J. Lassen, 3 C. D. P. Levy, 3 M. R. Pearson, 3 E. J. Prime, 3 V. Ryjkov, 3 A. Wojtaszek, 1 Z.-C. Yan, 6 and C. Zimmermann21Gesellschaft für Schwerionenforschung, D-64291 Darmstadt, Germany
2Department of Physics, University Tübingen, D-72076 Tübingen, Germany
3TRIUMF, Vancouver, British Columbia, Canada V6T 2A3
4Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, USA
5Department of Physics, University of Windsor, Windsor, Ontario, Canada, N9B 3P4
6Department of Physics, University of New Brunswick, Fredericton, New Brunswick, Canada E3B 5A3
Received 30 September 2005; published 25 January 2006
The nuclear charge radius of 11Li has been determined for the first time by high-precision laser spectroscopy. On-line measurements at TRIUMF-ISAC yielded a 7Li–11Li isotope shift (IS) of 25 101.23(13) MHz for the Doppler-free 2s 2S1/2 3s 2S1/2 transition. IS accuracy for all other bound Li isotopes was also improved. Differences from calculated mass-based IS yield values for change in charge radius along the isotope chain. The charge radius decreases monotonically from 6Li to 9Li, and then increases from 2.217(35) to 2.467(37) fm for 11Li. This is compared to various models, and it is found that a combination of halo neutron correlation and intrinsic core excitation best reproduces the experimental results.
©2006 The American Physical Society
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