Synthesis of new transuranium isotopes in multinucleon transfer reactions using a velocity filter

S. Heinz, H. M. Devaraja, O. Beliuskina, V. Comas, S. Hofmann, C. Hornung, G. Münzenberg, D. Ackermann, M. Gupta, R. A. Henderson, F. P. Heßberger, B. Kindler, B. Lommel, R. Mann, J. Maurer, K. J. Moody, K. Nishio, A. G. Popeko, D. A. Shaughnessy, M. A. StoyerA. V. Yeremin

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Abstract

Recently, we reported the observation of several new isotopes with proton numbers $Z \geq 92$ in low-energy collisions of 48Ca + 248Cm. The peculiarity is that the nuclei were produced in multinucleon transfer reactions, a method which is presently discussed as a possible new way to enter so far unknown regions in the upper part of the Chart of Nuclides. For separation of the transfer products we used a velocity filter, the Separator for Heavy Ion Reaction Products SHIP at GSI. The resulting strong background suppression allowed us to detect nuclei with cross-sections down to the sub-nanobarn scale. Beside the new isotopes we identified about 100 further target-like transfer products and determined their cross-sections. The results together with previous measurements strongly indicate that multinucleon transfer reactions are a viable pathway to the production of new transuranium isotopes.

Original languageEnglish
Article number278
JournalEuropean Physical Journal A
Volume52
Issue number9
DOIs
Publication statusPublished - 01-09-2016

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Heinz, S., Devaraja, H. M., Beliuskina, O., Comas, V., Hofmann, S., Hornung, C., Münzenberg, G., Ackermann, D., Gupta, M., Henderson, R. A., Heßberger, F. P., Kindler, B., Lommel, B., Mann, R., Maurer, J., Moody, K. J., Nishio, K., Popeko, A. G., Shaughnessy, D. A., ... Yeremin, A. V. (2016). Synthesis of new transuranium isotopes in multinucleon transfer reactions using a velocity filter. European Physical Journal A, 52(9), [278]. https://doi.org/10.1140/epja/i2016-16278-7