Evaluation of high-precision atomic masses of A ∼ 50–80 and rare-earth nuclides measured with ISOLTRAP
- Huang, W.
- Atanasov, D.
- Audi, G.
- Blaum, K.
- Cakirli, R.
- Herlert, A.
- Kowalska, M.
- Kreim, S.
- Litvinov, Y.
- Lunney, D.
- Manea, V.
- Mougeot, M.
- Rosenbusch, M.
- Schweikhard, L.
- Welker, A.
- Wienholtz, F.
- Wolf, R.
- Zuber, K.
Publication date
June 2019
DOI Publisher
Springer Science and Business Media LLCAbstract
High-precision mass measurements of stable and beta-decaying nuclides 52-57Cr, 55Mn, 56,59Fe, 59Co, 75, 77-79Ga, and the lanthanide nuclides 140Ce, 140Nd, 160Yb, 168Lu, 178Yb have been performed with the Penning-trap mass spectrometer ISOLTRAP at ISOLDE/CERN. The new data are entered into the Atomic Mass Evaluation and improve the accuracy of masses along the valley of stability, strengthening the so-called backbone. The mass of neutron-deficient 168Lu in its isomeric state has been measured directly. The mass of neutron-rich 178Yb indicates a change of nuclear structure approaching the double harmonic-oscillator shell closure for Z=70 and N=112
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