Opened Access Anharmonic vibrations in nuclei
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Author: Fallot, M.
Chomaz, Philippe
Andrés Martín, María Victoria
Catara, Francesco
Lanza, Edoardo G.
Scarpaci, J. A.
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2003-12-29
Published in: Nuclear Physics A, 729 (2-4), 1-4.
Document type: Article
Abstract: We show that the non-linearities of large amplitude motions in atomic nuclei induce giant quadrupole and monopole vibrations. As a consequence, the main source of anharmonicity is the coupling with configurations including one of these two giant resonances on top of any state. Two-phonon energies are often lowered by one or two MeV because of the large matrix elements with such three phonon configurations. These effects are studied in two nuclei, 40Ca and 208Pb.
Cite: Fallot, M., Chomaz, P., Andrés Martín, M.V., Catara, F., Lanza, E.G. y Scarpaci, J.A. (2003). Anharmonic vibrations in nuclei. Nuclear Physics A, 729 (2-4), 1-4.
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URI: http://hdl.handle.net/11441/64225

DOI: 10.1016/j.nuclphysa.2003.10.001

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