Phys.Rev.Lett. 131, 102501 (2023)

K.Konig, S.Fritzsche, G.Hagen, J.D.Holt, A.Klose, J.Lantis, Y.Liu, K.Minamisono, T.Miyagi, W.Nazarewicz, T.Papenbrock, S.V.Pineda, R.Powel, P.-G.Reinhard

Surprising Charge-Radius Kink in the Sc Isotopes at N=20

NUCLEAR REACTIONS Be(⁴⁰Ca, X)⁴⁰Sc/⁴¹Sc, E=140 MeV/nucleon; measured frequencies; deduced resonance spectra, charge radii using collinear laser spectroscopy, kink at neutron shell closure. Comparison with available data. The National Superconducting Cyclotron Laboratory.

doi: 10.1103/PhysRevLett.131.102501