| Article | |
| Report number | CERN-EP-99-012 ; GSI-99-10 |
| Title | High-accuracy mass determination of unstable cesium and barium isotopes |
| Author(s) |
Ames, F ; Audi, G ; Beck, D ; Bollen, G ; De Saint-Simon, M ; Jertz, R ; Kluge, H J ; Kohl, A ; König, M ; Lunney, M D ; Martel, I ; Moore, R B ; Otto, T ; Patyk, Z ; Raimbault-Hartmann, H ; Rouleau, G ; Savard, G ; Schark, E ; Schwarz, S ; Schweikhard, L ; Stolzenberg, H ; Szerypo, J |
| Affiliation | (Johannes Gutenberg-Univ. Mainz) ; (CSNSM-IN2P3-CNRS Orsay) ; (GSI Darmstadt) ; (CERN) ; (CSIC Madrid) ; (McGill Univ. Montreal) ; (Soltan Inst. Nucl. Studies Warsaw) ; (Warsaw Univ.) |
| Publication | 1999 |
| Imprint | 15 Feb 1999 |
| Number of pages | 43 |
| In: | Nucl. Phys. A 651 (1999) 3-30 |
| DOI | 10.1016/S0375-9474(99)00111-6 |
| Subject category | Nuclear Physics - Experiment |
| Accelerator/Facility, Experiment | CERN ISOLDE ; IS302 |
| Abstract | Direct mass measurements of short-lived Cs and Ba isotopes have been performed with the tandem Penning trap mass spectrometer ISOLTRAP installed at the on-line isotope separator ISOLDE at CERN. Typically, a mass resolving power of 600 000 and an accuracy of $\delta \mbox{m} \approx 13$ keV have been obtained. The masses of $^{123,124,126}$Ba and $^{122m}$Cs were measured for the first time. A least-squares adjustment has been performed and the experimental masses are compared with theoretical ones, particularly in the frame of a macroscopic-microscopic model. |
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