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Fission barriers : how do they affect the R-process?

Panov, I. V. and Pfeiffer, B. and Kratz, K. L. and Kolbe, E. and Rauscher, T. and Thielemann, F. K.. (2004) Fission barriers : how do they affect the R-process? In: Seminar on Fission Pont d'Oye V. Singapore, pp. 3-12.

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Official URL: http://edoc.unibas.ch/dok/A5253956

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Abstract

Fission is an important process which is responsible not only for the yields of transuranium isotopes, but may have a strong influence on the formation of the majority of heavy nuclei due to fission recycling in the r-process. Calculations of beta-delayed and neutron-induced fission rates were performed taking into account different fission barriers and mass formulae were done. It is shown that an increase of fission barriers results in naturally changes of fission rates, but that the absolute values of fission rates are nevertheless sufficiently high and lead to the termination of the r-process. Furthermore it is discussed, that the probability of triple fission could be high for A < 260 and have an affect on the formation on the heaviest nuclei.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Kolbe, Edwin and Thielemann, Friedrich-Karl and Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Bibsysno:Link to catalogue
Publisher:World Scientific
Note:Publication type according to Uni Basel Research Database: Conference paper
Identification Number:
Last Modified:22 Mar 2012 14:27
Deposited On:22 Mar 2012 13:56

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