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  Collinear Laser Spectroscopy of Potassium : Nuclear Charge Radii beyond N = 28

Kreim, K. D. (2013). Collinear Laser Spectroscopy of Potassium: Nuclear Charge Radii beyond N = 28. PhD Thesis, Ruprecht-Karls-Universität, Heidelberg.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-FA5A-E Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-FC97-5
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22.05.13.Thesis_Kim_Kreim.pdf (beliebiger Volltext), 7MB
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 Urheber:
Kreim, Kim Dieter1, Autor           
Blaum, Klaus, Gutachter
Jochim, Selim2, Gutachter
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
2Universität Heidelberg, ou_persistent22              

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 Zusammenfassung: Nuclear ground-state properties, such as spin, charge radius, and magnetic dipole and electric quadrupole moments are important quantities to describe the nucleus. The comparison of experimental data to shell-model calculations gives insight in the underlying nuclear structure and composition of ground-state wave functions. Spins and charge radii can also be used to test the predictions of state-of-the-art microscopic models. This work contributes to these studies providing new measurements in the region of the nuclear chart around the magic proton number Z = 20. The data have been obtained at the collinear laser spectroscopy setup COLLAPS located at the radioactive-ion-beam facility ISOLDE at CERN. Using bunched-beam laser spectroscopy hyperfine structure spectra of the potassium isotopes with mass number A = 48 - 51 could be recorded for the first time. Ground-state spins and isotope shifts could be deduced for 48-51K contributing to the evolution of the πd3=2 orbital beyond the shell closure at the magic neutron number N = 28. Charge radii deduced from isotope shifts provide information towards the systematics of the charge radii in the calcium region beyond the N = 28 shell closure. While theoretical calculations predict the correct spins, the charge radii still provide a challenge even to the newest relativistic mean-field and coupled cluster models.

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Sprache(n): eng - English
 Datum: 2013-07-16
 Publikationsstatus: Angenommen
 Seiten: VII, 89 S. : graph. Darst.
 Ort, Verlag, Ausgabe: Heidelberg : Ruprecht-Karls-Universität
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 Art des Abschluß: Doktorarbeit

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