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Séminaire présenté par le Dr. Héloïse GOUTTE

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Structure properties and dynamics of nuclear fission.

Dr Héloïse GOUTTE
(PTA/SPN – CEA-Bruyères-le-Chatel )

le Mercredi 4 avril 2007 à 16 h00

Salle de Visioconférences - Bâtiment 25
IPHC, 23 rue du Loess, Strasbourg-Cronenbourg

Abstract :

In the past few years, experimental studies have revealed many interesting features of the fission process, such as for instance

i) a transition between single and double-humped mass distributions with a triple-humped structure for some Thorium isotopes,

ii) a bimodality in the Total Kinetic Energy distributions of some fermium and transfermium isotopes. From a theoretical point of view, fission is a very complicated process, in which many nuclear properties play a role, such as very deformed nuclear configurations, large amplitude motion, and the coupling between collective modes and / or between collective modes and intrinsic excitations. Recent time-dependent microscopic calculations have been performed to derive fission fragment distributions taking into account the full dynamics of the process. The main interest of this study is to describe both the structure effects and the dynamical aspect of the fission process.

In this talk, we will present results about structure properties of actinides, and fission fragment distributions.

Personnes a contacter :

Sandrine COURTIN

Florent HAAS