Panov, I. and Lutostansky, Yu and Thielemann, F. K.. (2016) Betadelayed fission probabilities of transfermium nuclei, involved in the rprocess. Journal of Physics: Conference Series, 665. 012060.

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Abstract
For the nucleosynthesis of heavy and superheavy nuclei fission becomes very important when the rprocess runs in a very high neutron density environment. In part, fission is responsible for the formation of heavy nuclei due to the inclusion of fission products as new seed nuclei (fission cycling). More than that, betadelayed fission, along with spontaneous fission, is responsible in the late stages of the rprocess for the suppression of superheavy element yields. For betadelayed fission probability calculations a model description of the betastrength functions is required. Extended theoretical predictions for astrophysical applications were provided long ago, and new predictions also for superheavy nuclei with uptodate nuclear input are needed. For the further extension of data to heavier transactinides the models of strength functions should be modified, taking into account more complicated level schemes. In our present calculations the strengthfunction model is based on the quasiparticle approximation of Finite Fermi Systems Theory. The probabilities of betadelayed fission and betadelayed neutron emission are calculated for some transfermium neutronrich nuclei, and the influence of betadelayed fission upon superheavy element formation is discussed.
Faculties and Departments:  05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann) 

UniBasel Contributors:  Thielemann, FriedrichKarl and Panov, Igor 
Item Type:  Article, refereed 
Article Subtype:  Research Article 
Publisher:  IOP Publishing 
ISSN:  17426588 
eISSN:  17426596 
Note:  Publication type according to Uni Basel Research Database: Journal article 
Language:  English 
Identification Number:  
Last Modified:  20 Feb 2017 10:45 
Deposited On:  20 Feb 2017 10:45 
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