Artículo
Shape-phase transitions and two-particle transfer intensities
Autor/es | Alonso Alonso, Clara Eugenia
Fossion, R. Arias Carrasco, José Miguel Fortunato, Lorenzo Vitturi, Andrea |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2007 |
Fecha de depósito | 2017-04-26 |
Publicado en |
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Resumen | In the light of renewed interest in experiments on two-particle transfer reactions, we study the evolution of the transfer spectroscopic intensities as a possible signature of shape-phase transitions. The study is carried ... In the light of renewed interest in experiments on two-particle transfer reactions, we study the evolution of the transfer spectroscopic intensities as a possible signature of shape-phase transitions. The study is carried out considering chains of even-even nuclei displaying changes in shape, such as from sphericity to axial-symmetric deformed or from sphericity to deformed γ-unstable nuclei. The evolution of the structure of these nuclei is described in terms of the interacting boson model. In correspondence to the critical points characterizing the phase transitions, the ground-to-ground two-particle transfer matrix elements display a rapid discontinuity, with a corresponding increase in the transition to the excited 0+ states. Simple formulas are given using the intrinsic-frame formalism. |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España |
Identificador del proyecto | FIS2005-01105 |
Cita | Alonso Alonso, C.E., Fossion, R., Arias Carrasco, J.M., Fortunato, L. y Vitturi, A. (2007). Shape-phase transitions and two-particle transfer intensities. Physical Review C - Nuclear Physics, 76 (1), 014316-1-014316-10. |
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