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

Devaraja, H. M and Münzenberg, G and Gupta, M and Beliuskina, O and Heinz, S and Comas, V and Hornung, C and Hofmann, S and Ackermann, D and Henderson, RA and Heßberger, FP and Kindler, B and Lommel, B and Mann, R and Maurer, J and Moody, KJ and Nishio, K and Popeko, A.G and Shaughnessy, DA and M.A. Stoyer, MA and Yeremin, A.V (2016) Synthesis of new transuranium isotopes in multinucleon transfer reactions using a velocity filter. The European Physical Journal A, 52 (278). pp. 16278-7. ISSN 1434-6001

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Abstract

Recently, we reported the observation of several new isotopes with proton numbers Z ≥ 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.

Item Type: Article
Subjects: Departments at MU > Manipal Centre for Natural Sciences
Depositing User: MCNS Editor
Date Deposited: 17 Jun 2017 06:35
Last Modified: 17 Jun 2017 06:35
URI: http://eprints.manipal.edu/id/eprint/149077

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