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Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 64: Struktur und Dynamik von Kernen

HK 64.6: Talk

Thursday, March 7, 2013, 15:30–15:45, HSZ-301

Collinear Laser Spectroscopy of Potassium Isotopes Beyond the N=28 Shell Closure — •Kim Kreim — Max-Planck-Institut für Kernphysik, Heidelberg, Deutschland

The hyperfine structures and isotope shifts of Potassium from N=19 to N=32 (38,39,42,44,46,47−51K) have been measured successfully. From these spins, magnetic moments and changes in root mean square charge radii δ⟨r2⟩ have been extracted. The model independent spin determinations obtained in this work clarify the level schemes of neutron rich Potassium isotopes. For the first time the range and extend of the π d3/2 to π s1/2 ground state inversion has been established. The extracted δ⟨r2⟩, in conjunction with those of Ca, Cr, Mn and Fe provide a first insight into the regional Z dependence of the evolution of nuclear size beyond N = 28.

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