Elsevier

Nuclear Physics A

Volume 455, Issue 3, 21 July 1986, Pages 453-476
Nuclear Physics A

Elastic magnetic electron scattering from 19F

https://doi.org/10.1016/0375-9474(86)90317-9Get rights and content

Abstract

Elastic magnetic electron scattering from 19F was measured at 154° and 180°. The large momentum transfer range covered (q = 0.4–2.8 fm−1) allowed us to perform a model-independent analysis of the magnetic dipole form factor. It indicates the presence of strong configuration mixing. Shell-model calculations in the full 2s1d configuration space are unable to account for the behaviour of the experimental data which exhibit an intermediate form factor maximum. A large-basis shell-model calculation using all orbits up to the 1f72 shell produces such a maximum, as does a core-polarization calculation starting from shell-model wave functions in the full 2s1d space. In both cases excitations from the 1s to the 2s shell are mainly responsible for the appearance of the intermediate maximum. Non-nucleonic degrees of freedom do not disturb this conclusion since they yield only small corrections to the form factor.

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  • Cited by (12)

    • Energy levels of light nuclei A = 18-19

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    • Elastic electron scattering from <sup>19</sup>F

      1986, Nuclear Physics, Section A
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    1

    Present address: FOM Institute for Plasma Physics, PO Box 1207, 3430 BE Nieuwegein, The Netherlands.

    2

    Present address: College of Humanities and Sciences, Nihon University, Sakura Jousui 3-25-40, Setagaya, Tokyo 136, Japan.

    3

    Present address: KSEPL, PO Box 60, 2280 AB Rijswijk, The Netherlands.

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