LNL: TOMAS RAUL RODRIGUEZ FRUTOS, SHAPE-MIXING AMD SHAPE-COEXISTENCE STUDIED WITH ENERGY DENSITY FUNCTIONAL METHODS 
 ELENCO COMPLETO 

DATA: 12-04-2012

LABORATORI NAZIONALI DI LEGNARO
Energy density functional (EDF) methods including beyond-mean-field effects are able to describe many properties of nuclei spread out in the whole nuclear chart like the appearance or degradation of shell closures, shape coexistence, shape transitions, fission barriers or double beta decay, for example. These methods are based, on the one hand, on the use of high quality effect nucleon-nucleon interaction – Gogny in our case. On the other hand, within the framework of the generator coordinate method (GCM), the states that describe the ground and exited levels of the atomic nucleus are linear combinations of particle number and angular momentum restored product wave functions defined along some collective degrees of freedom. Only very recently, full triaxial angular momentum projection has been included in the most used EDF methods, namely Skyrme, Relativistic and Gogny interactions. The inclusion of this degree of freedom opens new exciting possibilities for understanding the spectroscopy of many nuclei and gives a reliable alternative and/or complement to shell model calculations. In this seminar I will present the results obtained with the Gogny EDF for some nuclei that show shape mixing and/or shape coexistence such as 44S or 80Zr.


 SITO COLLEGATO 
http://agenda.infn.it/conferenceDisplay.py?confId=4740

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