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NSR database version of March 21, 2024.

Search: Author = C.A.Ryder

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2015RO12      Phys.Rev. C 92, 014305 (2015)

D.M.Rossi, K.Minamisono, H.B.Asberry, G.Bollen, B.A.Brown, K.Cooper, B.Isherwood, P.F.Mantica, A.Miller, D.J.Morrissey, R.Ringle, J.A.Rodriguez, C.A.Ryder, A.Smith, R.Strum, C.Sumithrarachchi

Charge radii of neutron-deficient 36K and 37K

ATOMIC PHYSICS 36,37K; measured hyperfine spectra using optical pumping and subsequent β-decay asymmetry detection at the BECOLA facility at NSCL-MSU facility; deduced atomic rate equations from resonance spectra, mean-square charge radii with reference to 39K. 36,37K radioactive beams produced in the fragmentation of 140 MeV/nucleon 40Ca ions with Be target, and separated by using A1900 fragment separator at NSCL-MSU. Comparison with Skyrme EDF and shell-model calculations, and with measured values of other K isotopes. Discussed absence of shell-closure at N=20 in the K isotopic chain due to a balance between the monopole and the quadrupole proton-core polarizations.

doi: 10.1103/PhysRevC.92.014305
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