Discovery of 229Rn and the structure of the heaviest Rn and Ra isotopes from Penning-trap mass measurements
The masses of the neutron-rich radon isotopes {223-229}Rn have been determined for the first time, using the ISOLTRAP setup at CERN ISOLDE. In addition, this experiment marks the first discovery of a new nuclide, 229Rn, by Penning-trap mass measurement. The new, high-accuracy data allow a fine exami...
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| Veröffentlicht in: | Physical review letters 2009-03, Vol.102 (11), p.112501-112501 |
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| container_title | Physical review letters |
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| creator | Neidherr, D Audi, G Beck, D Blaum, K Böhm, Ch Breitenfeldt, M Cakirli, R B Casten, R F George, S Herfurth, F Herlert, A Kellerbauer, A Kowalska, M Lunney, D Minaya-Ramirez, E Naimi, S Noah, E Penescu, L Rosenbusch, M Schwarz, S Schweikhard, L Stora, T |
| description | The masses of the neutron-rich radon isotopes {223-229}Rn have been determined for the first time, using the ISOLTRAP setup at CERN ISOLDE. In addition, this experiment marks the first discovery of a new nuclide, 229Rn, by Penning-trap mass measurement. The new, high-accuracy data allow a fine examination of the mass surface, via the valence-nucleon interaction deltaV{pn}. The results reveal intriguing behavior, possibly reflecting either a N=134 subshell closure or an octupolar deformation in this region. |
| doi_str_mv | 10.1103/PhysRevLett.102.112501 |
| format | Article |
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| title | Discovery of 229Rn and the structure of the heaviest Rn and Ra isotopes from Penning-trap mass measurements |
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