Refining the nuclear mass surface with the mass of 103Sn
Nies, L., Atanasov, D., Athanasakis-Kaklamanakis, M., Au, M., Bernerd, C., Blaum, K., Chrysalidis, K., Fischer, P., Heinke, R., Klink, C., Lange, D., Lunney, D., Manea, V., Marsh B., A., Müller, M., Mougeot, M., Naimi, S., Schweiger Ch., Schweikhard, L., Wienholtz, F. (2025). Refining the nuclear mass surface with the mass of 103Sn. Physical Review C, 111, Article 014315. https://doi.org/10.1103/physrevc.111.014315
Julkaistu sarjassa
Physical Review CPäivämäärä
2025Tekijänoikeudet
© Authors
2025:11
Mass measurements with the ISOLTRAP mass spectrometer at CERN-ISOLDE improve mass uncertainties
of neutron-deficient tin isotopes towards doubly magic 100Sn. The mass uncertainty of 103Sn was reduced by a
factor of 4, and the new value for the mass excess of −67104(18) keV is compared with nuclear ab initio and
density functional theory calculations. Based on these results and local trends in the mass surface, the masses
of 101,103Sn, as determined through their QEC values, were found to be inconsistent with the new results. From our measurement for 103Sn, we extrapolate the mass excess of 101Sn to −60005(300) keV, which is significantly more bound than previously suggested. By correcting the mass values for 101,103Sn, we also adjust the values of 104Sb, 105,107Te, 108I, 109,111Xe, and 112Cs near the proton drip line which are connected through their α and protonQ values. The results show an overall smoothening of the mass surface, suggesting the absence of deformation energy above the N = 50 shell closure.
...
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
2469-9985Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/244998691
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Euroopan komissioRahoitusohjelmat(t)
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Lisätietoja rahoituksesta
They further acknowledge the support of the German Max Planck Society, the French Institut National de Physique Nucléaire et de Physique des Particules (IN2P3), the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (Grant Agreements No. 682841 ASTRUm, No. 654002 ENSAR2, No. 101020842 EUSTRONG, and No. 861198 LISA), as well as the German Federal Ministry of Education and Research (BMBF; Grants No. 05P18HGCIA, No. 05P21HGCI1, and No. 05P21RDFNB). L.N. acknowledges support from the Wolfgang Gentner Programme of the German Federal Ministry of Education and Research (Grant No. 13E18CHA). ...Lisenssi
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