| |
 |
UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:34 |
 |
|
|
|
Conference: Bucharest University Faculty of Physics 2012 Meeting
Section: Theoretical Physics and Applied Mathematics
Title:
From nuclear skin to pygmy dipole resonance
Authors:
V. BARAN (1), B. FRECUS(2), M. COLONNA(3) and M. DI TORO(3)
Affiliation:
(1)- Department of Theoretical Physics, Mathematics, Optics, Plasma, Lasers, University of Bucharest
(2) Doctoral Scool, Faculty of Physics, University of Bucharest
(3) Laboratory Nazionali del Sud, Catania, Italy
E-mail
virbaran@yahoo.com
Keywords:
Pygmy dipole resonance, symmetry energy, sum-rules
Abstract:
We present new results on the properties of dipole modes in neutron rich systems as an outcome of numerical simulations based on Landau-Vlasov equation. We identify the Pygmy Dipole Resonance in Calcium, Nickel and Tin nuclei and deduce a dependence with the mass number of its energy centroid. We show that the energy-weighted sum rule exhausted by this collective mode is sensitive to the density behavior of symmetry energy below saturation which also influence the properties of neutron skin.
Note: For B. Frecus this work was supported by the strategic grant POSDRU/88/1.5/S/56668, Project ”Doctoral
programme for training scientific researchers” co-financed by the European Social Found within the Sectorial Operational Program Human resources Development 2007-2013.
|
|
|
|