Data

NameAndrés Martín, María Victoria
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica Molecular y Nuclear
Professional categoryCatedrática de Universidad
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  Statistics

  • Items

    32

  • Visits

    3127

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    3999

  Publications

 

Article
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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; De Filippo, E.; De Luca, S. (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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Isospin effects on reaction dynamics at Fermi energies

Politi, Giuseppe; Acosta, Luis; Andrés Martín, María Victoria; Auditore, Lucrezia; Beck, Christian; Cap, Tomasz; Cardella, Giuseppe; Vitturi, Andrea (EDP Sciences, 2018-01-01)
The study of nuclei properties and of collision dynamics is a very active research field whose result have implications ...
Final Degree Project
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Introducción a la Mezcla de Configuraciones

Andrés Martín, María Victoria; González Rosa, Jesús (2017-01-01)
En esta memoria vamos a usar el modelo de partículas independientes para obtener los niveles de energía y autofunciones ...
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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, 2016-01-01)
We present an extension of the random-phase approximation (RPA) where the RPA phonons are used as building blocks to ...
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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, 2016-01-01)
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, 2015-01-01)
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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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, 2011-01-01)
We study heavy-ion inelastic scattering processes in neutron-rich nuclei including the full response to the different ...
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Elastic scattering and α -particle production in 6 He + 208 Pb collisions at 22 MeV

Acosta, Luis; Sánchez Benítez, A. M.; Gómez Santamaría, Mario E.; Martel Bravo, Ismael; Pérez Bernal, Francisco; Pizarro, F.; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Espino Navas, José Manuel; Fernández García, Juan Pablo; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Rahighi, J.; Rodríguez Quintero, José; Rusek, K. (American Physical Society, 2011-01-01)
Experimental results of the elastic scattering of 6He on 208Pb at E LAB=22 MeV, measured at the CRC facility (Louvain-la-Neuve, ...
Presentation
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Study of the scattering of halo nuclei around the Coulomb barrier

Acosta, Luis; Cubero, M.; Escrig, D.; Fernández García, Juan Pablo; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Rodríguez Gallardo, Manuela; Sánchez Benítez, A. M.; Alcorta, Martín; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Cortés Giraldo, Miguel Antonio; Espino Navas, José Manuel; Gómez Camacho, Joaquín José (American Institute of Physics, 2011-01-01)
During the past ten years the present collaboration has carried out several experiments related with the study of radioactive ...
Presentation
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On the nature of the dipole pygmy resonance

Lanza, E. G.; Vitturi, A.; Andrés Martín, María Victoria; Catara, F.; Gambacurta, D. (AIP Publishing, 2011-01-01)
The nature of the low-lying dipole states in neutron-rich nuclei, often associated to the Pygmy Dipole Resonance, has been ...
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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., 2009-01-01)
We study the pygmy resonances in Sn isotopes within a microscopic multiphonon approach which has been successfully applied ...
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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, 2009-01-01)
We study, within a semiclassical coupled-channels approach, the possible effects of anharmonicities and non linearities ...
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Scattering of 11 Be around the Coulomb barrier

Acosta, Luis; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; García Borge, María José; Cortés, M.; Espino Navas, José Manuel; Galaviz, D.; Gómez Camacho, Joaquín José; Martel, Ismael; Moro Muñoz, Antonio Matías; Mukha, I.; Pérez Bernal, Francisco; Reillo, E.; Rusek, K.; Sánchez Benítez, A. M.; Tengblad, Olof (American Institute of Physics, 2009-01-01)
Preliminary results on the 11Be+120Sn quasielastic scattering as well as the 11Be → 10Be + n breakup channel are presented ...
Presentation
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Near-barrier scattering of 6 He and 11 Be

Acosta, Luis A.; Escrig, D.; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Espino Navas, José Manuel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Mukha, I. G.; Tengblad, O. (American Institute of Physics, 2008-01-01)
Experiments on halo nuclei at energies around the Coulomb barrier can provide good quality data on elastic, inelastic, ...
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α-particle production in the scattering of 6He by Pb-208 at energies around the Coulomb barrier

Escrig, D.; Sánchez Benítez, A. M.; Moro Muñoz, Antonio Matías; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Angulo, C.; García Borge, María José; Cabrera Caño, Jesús María; Cherubini, S.; Demaret, P.; Espino Navas, José Manuel; Gómez Camacho, Joaquín José; Ziman, V. (Elsevier, 2007-01-01)
New experimental data from the scattering of 6He + Pb-208 at energies around and below the Coulomb barrier are presented. ...
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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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Long range absorption in the scattering of 6 He on 208 Pb and 197 Au at 27 MeV

Kakuee, O. R; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Woods, P. J. (Elsevier, 2005-01-01)
Quasi-elastic scattering of 6He at E_lab=27 MeV from 197Au has been measured in the angular range of 6-72 degrees in the ...
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Scattering of 6He at energies around the Coulomb barrier

Sánchez Benítez, A. M.; Escrig, D.; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; García Borge, María José; Espino Navas, José Manuel; García Ramos, José Enrique; Gómez Camacho, Joaquín José; Martel, Ismael; Moro Muñoz, Antonio Matías; Tengblad, Olof (Institute of Physics Publishing, 2005-01-01)
We have measured elastic cross sections of the scattering of 6He at ELab = 14, 16, 17, 18, 22 MeV on 208Pb in the angular ...
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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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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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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, 2000-01-01)
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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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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Excitation of multiple giant dipole resonances: From spherical to deformed nuclei

Andrés Martín, María Victoria; Lanza, Edoardo G.; Van Isacker, Piet; Volpe, C.; Catara, F. (Elsevier, 1999-01-01)
The effect of deformation on the excitation of multiple giant dipole resonances is studied. Analytical expressions are ...
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Accidental degeneracy and hidden symmetry: Rectangular wells with commensurate sides

Lemus Casillas, Renato; Frank Hoeflich, Alejandro; Andrés Martín, María Victoria; Leyvraz, Francois (American Association of Physics Teachers, 1998-01-01)
Two-dimensional quantum square wells and rectangular billiards with commensurate sides are simple systems which ...
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Accidental degeneracy in a simple quantum system: A new symmetry group for a particle in an impenetrable square-well potential

Leyvraz, Francois; Frank Hoeflich, Alejandro; Lemus Casillas, Renato; Andrés Martín, María Victoria (American Association of Physics Teachers, 1997-01-01)
The two-dimensional square-well potential is one of the simplest quantum-mechanical systems that exhibits accidental ...
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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, 1993-01-01)
This is a reply to the preceding Comment. We confirm the results of our paper. The differences between our calculations ...
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Geometric interpretation of the effect of the quadrupole force in the collisions of deformed nuclei

Andrés Martín, María Victoria; Gómez Camacho, Joaquín José; Nagarajan, M. A. (American Physical Society, 1992-01-01)
The effect of a quadrupole force on a set of degenerate states of a rotational band with arbitrary spin projection along ...
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Reorientation and coupling effects in polarized heavy ion fusion

Martel, I.; Gómez Camacho, Joaquín José; Andrés Martín, María Victoria (Elsevier, 1992-01-01)
A simple model to understand the reaction mechanisms in the fusion of polarized heavy ions based on tidal symmetry, the ...
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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, 1991-01-01)
Within the Feshbach formalism we calculate the nucleus-nucleus dynamical polarization potential arising from the coupling ...
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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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Random-phase-approximation-based dynamical polarization potential

Andrés Martín, María Victoria; Catara, F.; Chomaz, Ph.; Lanza, Edoardo G. (American Physical Society, 1989-01-01)
A dynamical polarization potential is defined taking into account the effects on the elastic channel due to the excitation ...
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Polarization effects due to coupling of elastic to compound states

Nagarajan, M. A.; Andrés Martín, María Victoria; Lozano Leyva, Manuel Luis (Elsevier, 1987-01-01)
From a compound nucleus level-density-dependent imaginary potential an energy-and angular-momentum-dependent polarization ...