Surprising Charge-Radius Kink in the Sc Isotopes at N = 20
For this work, charge radii of neutron deficient 40Sc and 41Sc nuclei were determined using collinear laser spectroscopy. With the new data, the chain of Sc charge radii extends below the neutron magic number N=20 and shows a pronounced kink, generally taken as a signature of a shell closure, but on...
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| Veröffentlicht in: | Physical review letters 2023-09, Vol.131 (10), p.102501-102501, Article 102501 |
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| creator | König, Kristian Fritzsche, Stephan Hagen, Gaute Holt, Jason D. Klose, Andrew Lantis, Jeremy Liu, Yuan Minamisono, Kei Miyagi, Takayuki Nazarewicz, Witold Papenbrock, Thomas Pineda, Skyy V. Powel, Robert Reinhard, Paul-Gerhard |
| description | For this work, charge radii of neutron deficient 40Sc and 41Sc nuclei were determined using collinear laser spectroscopy. With the new data, the chain of Sc charge radii extends below the neutron magic number N=20 and shows a pronounced kink, generally taken as a signature of a shell closure, but one notably absent in the neighboring Ca, K, and Ar isotopic chains. Theoretical models that explain the trend at N=20 for the Ca isotopes cannot reproduce this puzzling behavior. |
| doi_str_mv | 10.1103/PhysRevLett.131.102501 |
| format | Article |
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| source | American Physical Society Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | NUCLEAR PHYSICS AND RADIATION PHYSICS nuclear radii nuclear structure & decays radioactive beams spectrometers spectroscopic techniques |
| title | Surprising Charge-Radius Kink in the Sc Isotopes at N = 20 |
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