Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 19: Nuclear Astrophysics III

HK 19.7: Talk

Tuesday, March 15, 2016, 15:45–16:00, S1/01 A02

Large-scale HFB calculation with exact blocking for odd-A nuclei — •Alexander Arzhanov^1,2, Gabriel Martínez-Pinedo^1,2, Tomás R. Rodríguez³, and Luís M. Robledo³ — ¹Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany — ²GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, D-64291 Darmstadt, Germany — ³Departamento de Física Teórica, Universidad Autónoma de Madrid, E-28049 Madrid, Spain

Any realistic model of r-process nucleosynthesis requires accurate predictions of nuclear masses for isotopes beyond the reach of currently available experimental facilities, thus one has to rely on theoretical nuclear masses. Self-consistent mean-field (SCMF) theories based on energy density functionals (EDF) were actively developing in the recent decades. However, due to computational comlexity most of systematic surveys did not treat the odd-A nuclei at the same self-consistent level as the even-even isotopes. We performed a fully self-consistent large-scale calculation of nuclear masses using the exact blocking presciption with time-reversal symmetry breaking for odd-A nuclei within Hartree-Fock-Bogolyubov (HFB) framework with Gogny EDF. We analyse and compare the results for odd-A nuclei with the experimental values as well as commonly employed equal filling approximation. Supported by Helmholtz Association through Nuclear Astrophysics Virtual Institute (VH-VI-417).