Quadrupole transitions in 20Ne |
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Authors: | R.P. Singhal R.G. Arthur E.A. Knight M.W.S. Macauley D. Kelvin A. Watt R.R. Whitehead |
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Affiliation: | Kelvin Laboratory, Department of Natural Philosophy, University of Glasgow, Scotland;Department of Natural Philosophy, University of Glasglow, Scotland |
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Abstract: | Untruncated shell model calculations in the 1s-0d shell using Chung-Wildenthal effective interactions have been performed for 20Ne and the electron scattering form factors for elastic scattering and for the excitation of 21+, 21+ and 23+ states have been examined. Saxon-Woods wave functions and a phase-shift analysis have been used. It is shown that within the limited space of the 1s-0d shell, it is possible to obtain vastly different momentum transfer dependence for the electro-excitation of ΔJπ = 2+ transitions. The 21+ and 22+ states are seen to be adequately described by the wave functions obtained in this calculation, but 23+ is not described well. |
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