Data

NameAlonso Alonso, Clara Eugenia
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica Molecular y Nuclear
Professional categoryCatedrática de Universidad
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  Statistics

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    37

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    3947

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  Publications

 

Article
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Review of Shape Phase Transition Studies for Bose-Fermi Systems: The Effect of the Odd-Particle on the Bosonic Core

Böyükata, Mahmut; Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, L.; Vitturi, Andrea (MDPI, 2021-01-01)
The quantum phase transition studies we have done during the last few years for odd-even systems are reviewed. The focus ...
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Importance of the single-particle continuum in BCS pairing with a pseudostate basis

Lay Valera, José Antonio; Alonso Alonso, Clara Eugenia; Fortunato, Lorenzo; Vitturi, Andrea (EDP Sciences, 2016-01-01)
In a recent work [arXiv:1510.03185] the use of the Transformed Harmonic Oscillator (THO) basis for the discretization of ...
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β-decay rates of 121–131Cs in the microscopic interacting boson-fermion model

Mardones, E.; Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2016-01-01)
β -decay rates of 121–131 Cs have been calculated in the framework of the neutron-proton interacting boson- fermion model ...
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Continuum discretised BCS approach for weakly bound nuclei

Alonso Alonso, Clara Eugenia; Fortunato, Lorenzo; Vitturi, Andrea; Lay Valera, José Antonio (IOP Publishing, 2016-01-01)
The Bardeen-Cooper-Schrieffer (BCS) formalism is extended by including the single-particle continuum in order to analyse ...
Presentation
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Quantum phase transitions in odd-A nuclei: The effect of the odd particle from spherical to oblate shapes

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (Institute of Physics Publishing, 2015-01-01)
Quantum shape-phase transitions in odd-nuclei are investigated within the framework of the interacting boson-fermion model ...
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The one nucleon transfer operator in the microscopic IBM without NOA

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Elsevier, 2014-01-01)
The mapping of the single fermion creation operator (ci†) onto the Interacting Boson-Fermion space (IBFM) is revisited ...
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Quantum shape phase transitions from spherical to deformed for Bose-Fermi systems: the effect of the odd particle around the critical point

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (EDP sciences, 2014-01-01)
Quantum phase transitions in odd-nuclei are investigated within the framework of the interacting boson-fermion model with ...
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Review of critical point symmetries and shape phasetransitions within algebraic and collective models

Fortunato, Lorenzo; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (2012-01-01)
Several aspect of shape phase transitions and critical point symmstries are reviewed inthis contribution within the ...
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Odd-even 147–153Pm isotopes within the neutron-proton interacting boson-fermion model

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2011-01-01)
Low-lying energy states of the 147 -153Pm isotopic chain are studied within the framework of the neutron-proton interacting ...
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Phase diagram for a cubic-Q interacting boson model Hamiltonian: Signs of triaxiality

Fortunato, Lorenzo; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; García Ramos, José Enrique; Vitturi, Andrea (American Physical Society, 2011-01-01)
An extension of the Interacting Boson Model that includes the cubic (QI×QI×Q I)(0) term is proposed. The potential energy ...
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Shape phase transition in odd-even nuclei: From spherical to deformed γ -unstable shapes

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2010-01-01)
Shape phase transitions in odd-A nuclei are investigated within the framework of the interacting boson-fermion model. The ...
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Coherent state approach to the interacting boson model: Test of its validity in the transitional region

Inci, I.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2009-01-01)
The predictive power of the coherent state (CS) approach to the interacting boson model (IBM) is tested far from the IBM ...
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UBF(5) to SUBF(3) shape phase transition in odd nuclei for j=1/2, 3/2, and 5/2 orbits: The role of the odd particle at the critical point

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2009-01-01)
We investigate the phase transition in odd nuclei within the Interacting Boson Fermion Model in correspondence with the ...
Presentation
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Shape phase transitions and critical points

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (American Institute of Physics, 2009-01-01)
We investigate different aspects connected with shape phase transitions in nuclei and the possible occurrence of dynamical ...
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Remarks on shape phase transitions in nuclei

Fortunato, Lorenzo; Vitturi, Andrea; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Institute of Physics Publishing, 2009-01-01)
Various aspects of shape phase transitions in even as well as odd systems are reviewed. Firstly, the case of an odd j 3/2 ...
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Population of mixed-symmetry states via α transfer reactions

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Pietralla, N.; Vitturi, Andrea (The American Physical Society, 2008-01-01)
Within the neutron-proton interacting boson model we study the population of mixed-symmetry states via α transfer processes. ...
Presentation
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Shape phase transitions in odd-A nuclei

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, L.; Vitturi, A. (American Institute of Physics, 2008-01-01)
We investigate shape phase transitions in odd nuclei within the Interacting Boson Fermion Model. Special attention is given ...
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Critical-point symmetries in Boson-Fermion systems: The case of shape transitions in odd nuclei in a multiorbit model

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (American Physical Review, 2007-02-05)
We investigate phase transitions in boson-fermion systems. We propose an analytically solvable model [E(5/12)] to describe ...
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Shape phase transition in odd nuclei in a multi- j model: The UB(6) ⊗ UF(12) case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (The American Physical Society, 2007-01-01)
The phase transition in odd nuclei when the underlying even-even core nuclei experience a transition from spherical to ...
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Shape-phase transitions and two-particle transfer intensities

Alonso Alonso, Clara Eugenia; Fossion, R.; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2007-01-01)
In the light of renewed interest in experiments on two-particle transfer reactions, we study the evolution of the transfer ...
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One-particle spectroscopic intensities as a signature of shape phase transition: The γ -unstable case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (American Physical Society, 2006-08-09)
We investigate the evolution of one-particle spectroscopic intensities as a possible signature of shape phase transitions. ...
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Phase transitions in the interacting boson fermion model: The γ -unstable case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, R.; Vitturi, Andrea (American Physical Society, 2005-01-11)
The phase transition around the critical point in the evolution from spherical to deformed γ-unstable shapes is investigated ...
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One nucleon transfer operator and nuclear supersymmetry

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Jolie, J. (American Physical Society, 2005-01-01)
The appropriate use of the interacting boson-fermion model one nucleon transfer operator in connection with ...
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U(5)-O(6) transition in the interacting boson model and the E(5) critical point symmetry

Arias Carrasco, José Miguel; Alonso Alonso, Clara Eugenia; Vitturi, Andrea; García Ramos, José Enrique; Dukelsky, Jorge; Frank, A. (American Physical Society, 2003-10-01)
The relation of the recently proposed E(5) critical point symmetry with the interacting boson model is ...
PhD Thesis
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Desarrollos microscópicos y cálculos en el marco del modelo de bosones y fermiones en interacción

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Barranco Paulano, Francisco; Barea Muñoz, José (2002-12-10)
La presente Tesis Doctoral se desarrolla en el marco de los modelos de bosones en interacción (IBM) y de bosones y fermiones ...
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Boson-conserving one-nucleon transfer operator in the interacting boson model

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2002-03-01)
The boson-conserving one-nucleon transfer operator in the interacting boson model (IBM) is reanalyzed. Extra ...
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Search for E(5) symmetry in nuclei: The Ru isotopes

Frank, A.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2002-01-01)
We carry out an interacting boson model study of the Ru isotopes using a U(5)-SO(6) transitional Hamiltonian with fixed ...
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Anharmonic double-γ vibrations in nuclei and their description in the interacting boson model

García Ramos, José Enrique; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Van Isacker, Piet (American Physical Society, 2000-04-01)
Double-γ vibrations in deformed nuclei are studied in the context of the interacting boson model with special reference ...
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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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Intrinsic structure of two-phonon states in the interacting boson model

García Ramos, José Enrique; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Van Isacker, Piet; Vitturi, Andrea (Elsevier, 1998-01-01)
A general study of excitations up to two-phonon states is carried out using the intrinsicstate formalism of the Interacting ...
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Algebraic determination of scattering matrices

Alonso Alonso, Clara Eugenia; Frank Hoeflich, Alejandro; Gómez Camacho, Joaquín José (1993-01-01)
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Quadrupole moments and E2 transitions in the O(6) limit of the IBM

Alonso Alonso, Clara Eugenia; Lozano Leyva, Manuel Luis; Dasso, Carlos Hugo; Vitturi, Andrea (Elsevier, 1988-01-01)
Quadrupole moments and E2 transitions in the O(6) limit of the interacting boson model are studied within a formalism based ...
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Test of the proton-neutron interacting boson-fermion model in the region around A=190

Arias Carrasco, José Miguel; Alonso Alonso, Clara Eugenia; Lozano Leyva, Manuel Luis (American Physical Society, 1986-01-01)
We present systematic calculations on nuclei in the region around A=190 within the framework of the proton-neutron interacting ...
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Backbending of Dy isotopes described with the neutron-photon IBA plus two-quasiparticle model

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Lozano Leyva, Manuel Luis (Elsevier, 1986-01-01)
The formalism of the neutron-photon interacting boson model, extended to include two-quasiparticle excitations, is used ...
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Nuclear structure information obtained from charge radii

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Iachello, F. (Elsevier, 1985-01-01)
We analyze the nuclear structure information obtained from measurements of charge radii in even-even and even-odd nuclei ...
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A calculation of low-lying collective states in odd-even nuclei

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Bijker, R.; Iachello, F. (Elsevier, 1984-01-01)
We present results of a calculation of properties of low-lying collective quadrupole states in odd-even nuclei within the framework of the proton-neutron interacting boson-fermion model.
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Prealignment B(E2)-anomaly in 124Xe

Hanewinkel, H.; Gast, Werner; Kaup, U.; Harter, H.; Dewald, Alfred; Gelberg, Adrian; Reinhardt, R.; Von Brentano, Peter; Zemel, A.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Elsevier, 1983-01-01)
Lifetimes of 17 levels of 124Xe were measured using the Recoil Distance Doppler Shift method. An anomalous E2-reduction ...