Siemssen, RH

SiwekWilczynska, K

Wilczynski, J

Wilschut, H. W.

English

Fast-fission reactions in collisions of four heavy systems (well below the fusion extra-push energy threshold), for which Hinde and coworkers had measured the prescission neutron multiplicities, have been analysed in terms of the deterministic dynamic model of Feldmeier coupled to a time-dependent statistical cascade calculation. In order to reproduce the measured prescission multiplicities and the observed (nearly symmetric) mass divisions, the energy dissipation must be dramatically changed with regard to the standard one-body dissipation: In the entrance channel, in the process of forming a composite system, the energy dissipation must be reduced to at least half of the one-body dissipation strength (k(s)(in) less than or equal to 0.5), and in the exit channel (from a mononucleus shape to scission) it must be increased to about 10 times that value (k(s)(out) approximate to 10).</p

Proceedings - University of Groningen

   University of GroningenNeutron clock as a friction-meterWilczynski, J; SiwekWilczynska, K; Siemssen, RH; Wilschut, H. W.Published in:Acta Physica Polonica BIMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite fromit. Please check the document version below.Document VersionPublisher's PDF, also known as Version of recordPublication date:1996Link to publication in University of Groningen/UMCG research databaseCitation for published version (APA):Wilczynski, J., SiwekWilczynska, K., Siemssen, RH., & Wilschut, H. W. (1996). Neutron clock as a friction-meter. Acta Physica Polonica B, 27(1-2), 517-523.CopyrightOther than for strictly personal use, it is not permitted to download or to forward/distribute the text or part of it without the consent of theauthor(s) and/or copyright holder(s), unless the work is under an open content license (like Creative Commons).The publication may also be distributed here under the terms of Article 25fa of the Dutch Copyright Act, indicated by the “Taverne” license.More information can be found on the University of Groningen website: https://www.rug.nl/library/open-access/self-archiving-pure/taverne-amendment.Take-down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons thenumber of authors shown on this cover page is limited to 10 maximum.Download date: 11-12-2022

Neutron clock as a friction-meter

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Neutron clock as a friction-meter

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Proceedings - University of Groningen