Excitation of pygmy dipole resonance in neutron-rich nuclei via Coulomb and nuclear fields

Pramana

D Gambacurta³  A Vitturi1²  E G Lanza³  M V Andrés¹  F Catara³ 

[1] Departamento de FAMN, Facultad de F ́ısica, Sevilla, Spain$$;Dipartimento di Fisica and INFN, Padova, Italy$$;Dipartimento di Fisica and INFN, Catania, Italy$$

关键词: Exotic nuclei;    pygmy dipole resonance.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

We study the nature of the low-lying dipole strength in neutron-rich nuclei, often associated with the pygmy dipole resonance. The states are described within the Hartree–Fock plus RPA formalism, using different parametrizations of the Skyrme inter-action. We show how the information from combined reaction processes involving the Coulomb and different mixtures of isoscalar and isovector nuclear interactions can provide a clue to reveal the characteristic features of these states.

【 授权许可】

Unknown