| Autor: |
Atanasov, D., Ascher, P., Blaum, K., Cakirli, R. B., Cocolios, T. E., George, S., Herfurth, F., Kisler, D., Kowalska, M., Kreim, S., Litvinov, Yu. A., Lunney, D., Manea, V., Neidherr, D., Rosenbusch, M., Schweikhard, L., Welker, A., Wienholtz, F., Wolf, R. N., Zuber, K. |
| Rok vydání: |
2015 |
| Předmět: |
|
| Zdroj: |
Phys. Rev. Lett. 115, 232501 (2015) |
| Druh dokumentu: |
Working Paper |
| DOI: |
10.1103/PhysRevLett.115.232501 |
| Popis: |
Masses adjacent to the classical waiting-point nuclide 130Cd have been measured by using the Penning- trap spectrometer ISOLTRAP at ISOLDE/CERN. We find a significant deviation of over 400 keV from earlier values evaluated by using nuclear beta-decay data. The new measurements show the reduction of the N = 82 shell gap below the doubly magic 132Sn. The nucleosynthesis associated with the ejected wind from type-II supernovae as well as from compact object binary mergers is studied, by using state-of-the-art hydrodynamic simulations. We find a consistent and direct impact of the newly measured masses on the calculated abundances in the A = 128 - 132 region and a reduction of the uncertainties from the precision mass input data. |
| Databáze: |
arXiv |
| Externí odkaz: |
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