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Listar por autor "Lanza, Edoardo G."
Mostrando ítems 1-18 de 18
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Artículo
Anharmonic vibrations in nuclei
Fallot, M.; Chomaz, Philippe; Andrés Martín, María Victoria; Catara, Francesco; Lanza, Edoardo G.; Scarpaci, J. A. (Elsevier, 2003-12-29)We show that the non-linearities of large amplitude motions in atomic nuclei induce giant quadrupole and monopole vibrations. ...
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Boson expansion methods applied to a two-level model in the study of multiple giant resonances
Volpe, C.; Chomaz, Philippe; Andrés Martín, María Victoria; Catara, Francesco; Lanza, Edoardo G. (Elsevier, 1999-03-08)We apply boson expansion methods to an extended exactly solvable Lipkin-Meshkov-Glick model including anharmonicities in ...
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Coupling of Dipole Mode to γ -unstable Quadrupole Oscillations
Alonso Alonso, Clara Eugenia; Andrés Martín, María Victoria; Arias Carrasco, José Miguel; Lanza, Edoardo G.; Vitturi, Andrea (Elsevier, 2000)The coupling of the high-lying dipole mode to the low-lying quadrupole modes for the case of deformed γ-unstable nuclei ...
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Dynamical polarization potential due to the excitation of collective states
Andrés Martín, María Victoria; Catara, F.; Lanza, Edoardo G. (American Physical Society, 1991)Within the Feshbach formalism we calculate the nucleus-nucleus dynamical polarization potential arising from the coupling ...
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Event generator to construct cross sections for the multiphonon excitation of a set of collective vibrational modes
Dasso, Carlos Hugo; Lanza, Edoardo G.; Sofía, H. M. (The American Physical Society, 2010)The construction of differential cross sections as a function of excitation energy for systems with a collection of low- ...
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Excitation of multiple giant dipole resonances: From spherical to deformed nuclei
Andrés Martín, María Victoria; Lanza, Edoardo G.; Isacker, Piet van; Volpe, C.; Catara, F. (Elsevier, 1999)The effect of deformation on the excitation of multiple giant dipole resonances is studied. Analytical expressions are ...
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Excitations of pygmy dipole resonances in exotic and stable nuclei via Coulomb and nuclear fields
Lanza, Edoardo G.; Vitturi, Andrea; Andrés Martín, María Victoria; Catara, Francesco; Gambacurta, Danilo (American Physical Society, 2011)We study heavy-ion inelastic scattering processes in neutron-rich nuclei including the full response to the different ...
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First measurement of the isoscalar excitation above the neutron emission threshold of the Pygmy Dipole Resonance in 68Ni
Martorana, N. S.; Cardella, G.; Lanza, Edoardo G.; Acosta, Luis; Andrés Martín, María Victoria; Auditore, L.; Catara, Francesco; Filippo, E. de; Luca, S. de (North-Holland, 2018-07-10)The excitation of the Pygmy Dipole Resonance (PDR) in the 68Ni nucleus, above the neutron emission threshold, via an ...
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Importance of Giant-Resonance Excitation for the Surface Properties of the Heavy-Ion Optical Potential
Chomaz, Philippe; Blumenfeld, Y.; Andrés Martín, María Victoria; Catara, Francesco; Lanza, Edoardo G. (IOP Publishing Ltd., 1989-05-15)An imaginary potential associated with the inelastic excitation of the nuclei is computed in a multiphonon excitation model ...
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Microscopic calculations of double and triple giant resonance excitations in heavy ion collisions
Andrés Martín, María Victoria; Lanza, Edoardo G.; Catara, F.; Chomaz, Ph.; Fallot, M.; Scarpaci, J. A. (American Physical Society, 2006-12-01)We perform microscopic calculations of the inelastic cross sections for the double and triple excitation of giant resonances ...
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Microscopic description of Coulomb and nuclear excitation of multiphonon states in 40 Ca + 40 Ca collisions
Andrés Martín, María Victoria; Catara, F.; Lanza, Edoardo G.; Chomaz, Ph.; Fallot, M.; Scarpaci, J. A. (American Physical Society, 2002-01-01)We calculate the inelastic scattering cross sections to populate one- and two-phonon states in heavy ion ...
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Microscopic nuclear form factor for the pygmy dipole resonance
Lanza, Edoardo G.; Vitturi, Andrea; Andrés Martín, María Victoria; Catara, Francesco (EDP Sciences, 2016)Pygmy dipole resonance can be populated via isoscalar probes due to the strong mixing of isoscalar and isovector components. ...
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Microscopic nuclear form factors for the pygmy dipole resonance
Lanza, Edoardo G.; Vitturi, Andrea; Andrés Martín, María Victoria (American Physical Society, 2015)It is shown that the use of a proper form factor in the study of the pygmy dipole resonance (PDR) is of paramount importance ...
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Multiphonon excitations and pygmy resonances in tin isotopes
Lanza, Edoardo G.; Catara, Francesco; Gambacurta, Danilo; Andrés Martín, María Victoria; Chomaz, Ph. (The American Physical Society, 2009)We study, within a semiclassical coupled-channels approach, the possible effects of anharmonicities and non linearities ...
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Nuclear excitations as coupled one and two random-phase-approximation modes
Gambacurta, Danilo; Catara, Francesco; Grasso, M.; Sambataro, M.; Andrés Martín, María Victoria; Lanza, Edoardo G. (American Physical Society, 2016)We present an extension of the random-phase approximation (RPA) where the RPA phonons are used as building blocks to ...
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Pygmy resonances in Sn isotopes within a microscopic multiphonon approach
Lanza, Edoardo G.; Andrés Martín, María Victoria; Catara, Francesco; Chomaz, Ph. Roussel; Gambacurta, Danilo (IOP Publishing Ltd., 2009)We study the pygmy resonances in Sn isotopes within a microscopic multiphonon approach which has been successfully applied ...
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Random-phase-approximation-based dynamical polarization potential
Andrés Martín, María Victoria; Catara, F.; Chomaz, Ph.; Lanza, Edoardo G. (American Physical Society, 1989)A dynamical polarization potential is defined taking into account the effects on the elastic channel due to the excitation ...
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Reply to ''Comment on 'Dynamical polarization potential due to the excitation of collective states' ''
Andrés Martín, María Victoria; Catara, F.; Lanza, Edoardo G. (American Physical Society, 1993)This is a reply to the preceding Comment. We confirm the results of our paper. The differences between our calculations ...