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Título: | Cluster sum rules for three-body systems with angular-momentum dependent interactions |
Autor: | Diego, Raul de CSIC ORCID; Garrido, Eduardo CSIC ORCID; Jensen, A.S.; Fedorov, D.V. | Fecha de publicación: | 5-feb-2008 | Editor: | American Physical Society | Citación: | Physical Review C - Nuclear Physics 77: 024001 (2008) | Resumen: | We derive general expressions for non-energy-weighted and energy-weighted cluster sum rules for systems of three charged particles. The interferences between pairs of particles are found to play a substantial role. The energy-weighted sum rule is usually determined by the kinetic energy operator, but we demonstrate that it has similar additional contributions from the angular momentum and parity dependence of two- and three-body potentials frequently used in three-body calculations. The importance of the different contributions is illustrated with the dipole excitations in He6. The results are compared with the available experimental data. © 2008 The American Physical Society. | Descripción: | 10 págs.; 3 figs.; 2 tabs.; 1 apéndice ; PACS number(s): 21.45.−v, 11.55.Hx, 23.20.−g, 31.15.xj | Versión del editor: | https://doi.org/10.1103/PhysRevC.77.024001 | URI: | http://hdl.handle.net/10261/141065 | DOI: | 10.1103/PhysRevC.77.024001 | Identificadores: | doi: 10.1103/PhysRevC.77.024001 issn: 0556-2813 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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Cluster.pdf | 266,04 kB | Adobe PDF | Visualizar/Abrir |
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