Recent Submissions

  • Icon

    Characterization of the n_TOF EAR-2 neutron beam  [Presentation]

    Chen, Y. H.; Tassan-Got, L.; Audouin, Laurent; Le Naour, C.; Durán, Ignacio; Casarejos, E.; Aberle, O.; Andrzejewski, J.; Bécares, V.; Bacak, M.; Barbagallo, M.; Cortés Giraldo, Miguel Antonio; Lerendegui Marco, Jorge; Guerrero, C. (EDP Sciences: EPJ Open Access, 2017)
    he experimental area 2 (EAR-2) at CERNs neutron time-of-flight facility (n_TOF), which is operational since 2014, is designed and built as a short-distance complement to the experimental area 1 (EAR-1). The Parallel Plate ...
  • Icon

    Measurement of the radiative capture cross section of the s-process branching points 204Tl and 171Tm at the n_TOF facility (CERN)  [Article]

    Casanovas, A.; Domingo Pardo, César; Guerrero, C.; Lerendegui Marco, Jorge; Calviño, F.; Tarifeño-Saldivia, A.; Dressler, R.; Heinitz, S.; Kivel, Niko; Quesada Molina, José Manuel; Schumann, D.; Chiaveri, Enrico; Cortés Giraldo, Miguel Antonio; Sabaté Gilarte, Marta; Chiaveri, Enrico; Köster, Ullrich (EDP Sciences: EPJ Open Access, 2018)
    The neutron capture cross section of some unstable nuclei is especially relevant for s-process nucleosynthesis studies. This magnitude is crucial to determine the local abundance pattern, which can yield valuable information ...
  • Icon

    First Measurement of 72Ge(n,γ) at n_TOF  [Article]

    Dietz, M.; Lederer Woods, C.; Aberle, O.; Andrzejewski, J.; Audouin, Laurent; Bacak, M.; Balibrea, J.; Barbagallo, M.; Bečvář, František; Brow, A.; Calviño Tavares, Francisco; Calviani, M.; Casanovas, A.; Cerutti, F.; Cortés Giraldo, Miguel Antonio; Ventura, A.; Žugec, P. (EDP Sciences: EPJ Open Access, 2018)
    The slow neutron capture process (s-process) is responsible for producing about half of the elemental abundances heavier than iron in the universo.
  • Icon

    Probing 6He structure from proton inelastic collisions  [Presentation]

    Crespo, R.; Moro Muñoz, Antonio Matías; Thompson, I. J.; Rodríguez Gallardo, Manuela; Gómez Camacho, Joaquín José; Arias Carrasco, José Miguel (American Institute of Physics, 2006)
    We explore the Hyperspherical Harmonics pseudostate method to describe the 6He continuum. The method is use it within the multiple scattering of the transition amplitude (MST) approach to study inelastic scattering of p-6He ...
  • Icon

    On the relation between E(5)- models and the interacting boson model  [Presentation]

    García Ramos, José Enrique; Arias Carrasco, José Miguel (American Institute of Physics, 2009)
    The connections between the Ε(5)-models (the original Ε(5) using an infinite square well, Ε(5) - β4 Ε(5) - β6 and Ε(5) - β8), based on particular solutions of the geometrical Bohr Hamiltonian with γ -unstable potentials, ...
  • Icon

    Shape phase transitions and critical points  [Presentation]

    Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (American Institute of Physics, 2009)
    We investigate different aspects connected with shape phase transitions in nuclei and the possible occurrence of dynamical symmetries at the critical points. We discuss in particular the behaviour of the neighbour odd ...
  • Icon

    Decoherence as a Signature of an Excited State Quantum Phase Transition in Two Level Boson Systems  [Presentation]

    García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2009)
    We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal dynamics. We explore how the decoherence process is affected by the presence of quantum phase ...
  • Icon

    Four-body continuum-discretized coupled-channels calculations: Application to 6He+64Zn at 13.6 MeV  [Presentation]

    Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Thompson, J.; Tostevin, Jeffrey A. (American Institute of Physics, 2009)
    The recently developed four-body continuum-discretized coupled-channels (CDCC) method, making use of the binning procedure [1], is applied to the reaction 6He+64Zn at 13.6 MeV (around the Coulomb barrier). Excellent agreement ...
  • Icon

    Connection between decoherence and excited state quantum phase transitions  [Presentation]

    Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2009)
    In this work we explore the relationship between an excited state quantum phase transition (ESQPT) and the phenomenon of quantum decoherence. For this purpose, we study how the decoherence is affected by the presence of a ...
  • Icon

    Core excitation effects in the breakup of halo nuclei  [Presentation]

    Moro Muñoz, Antonio Matías; Diego, Raúl de; Lay Valera, José Antonio; Crespo, R.; Johnson, Ron C.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Institute of Physics, 2012)
    The role of core excitation in the structure and dynamics of two-body halo nuclei is investigated. We present calculations for the resonant breakup of 11Be on protons at an incident energy of 63.7 MeV/nucleon, where core ...
  • Icon

    Decoherence and quantum quench: Their relationship with excited state quantum phase transitions  [Presentation]

    García Ramos, José Enrique; Arias Carrasco, José Miguel; Cejnar, Pavel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2012)
    We study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of an Excited State Quantum Phase Transition (ESQPT). We analyze, on one hand, the decoherence induced ...
  • Icon

    Excited state quantum phase transitions and chaos in the Dicke model  [Presentation]

    Pérez Fernández, Pedro; Relaño, Armando; Cejnar, Pavel; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2012)
    In this contribution, the critical behavior of excited state quantum phase transitions (ESQPT's) and its relation to order and chaos in the Dicke model are studied. This model is nonintegrable. For comparison, the same ...
  • Icon

    Stabilization method in two-body systems with core excitations  [Presentation]

    Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012)
    The validity of the stabilization method in core+valence systems including the possibility of exciting the core is studied. A pseudostate method, based on the transformed harmonic oscillator basis, is extended to include ...
  • Icon

    A beyond mean field study of Bose gases in a double-well potential with a Feshbach resonance  [Presentation]

    Pérez Fernández, Pedro; Relaño, Armando; Dukelsky, Jorge; Arias Carrasco, José Miguel (American Institute of Physics, 2012)
    The Bose-Hubbard model coupled to a Feshbach resonance is studied. Quantum phase transitions are analyzed within a beyond mean field framework in order to get finite size corrections to the simple mean field approach. ...
  • Icon

    Core excitation effects in halo nuclei using a transformed oscillator basis  [Presentation]

    Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012)
    A recent generalization of the Transformed Harmonic Oscillator basis, intended to consider core excitations in the structure of one nucleon halo nuclei, is applied to the break up of 11Be. The reaction studied is 11Be+208Pb ...
  • Icon

    Quantum phase transitions in odd-A nuclei: The effect of the odd particle from spherical to oblate shapes  [Presentation]

    Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (Institute of Physics Publishing, 2015)
    Quantum shape-phase transitions in odd-nuclei are investigated within the framework of the interacting boson-fermion model (IBFM). We consider the case of a single-j fermion coupled to an even-even boson core that performs ...
  • Icon

    Development of a tracking system of exotic nuclear beams for FAIR  [Presentation]

    Fernández Martínez, Begoña; Pancin, Julien; Abou-Haidar, Z.; González Álvarez, Marcos Aurelio; Drouart, A.; Kebbiri, Mariam; Riallot, Marc (American Institute of Physics, 2010)
    New accelerators like SPIRAL2 (GANIL, France) or FAIR (GSI, Germany) will be soon constructed, and they will be able to produce radioactive ion beams (RIB) with high intensities of current (≥106pps). These beams, at low ...
  • Icon

    Dynamic studies of 11Li and its core 9Li on 208Pb near the Coulomb barrier  [Presentation]

    Cubero, M; Borge, M. J. G.; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Diget, C.; Galaviz, D.; Fernández García, Juan Pablo; Gómez Camacho, Joaquín José; Lay Valera, José Antonio; Madurga, Miguel; Moro Muñoz, Antonio Matías; Mukha, I. (American Institute of Physics, 2010)
    We measured the scattering of the halo nucleus 11Li and its core 9Li on the lead target at TRIUMF at energies below and around to the Coulomb barrier. We report here on our preliminary analysis of the inclusive breakup reaction.
  • Icon

    The 6He Optical Potential at energies around the Coulomb barrier  [Presentation]

    Fernández García, Juan Pablo; Rodríguez Gallardo, Manuela; González Álvarez, Marcos Aurelio; Moro Muñoz, Antonio Matías (American Institute of Physics, 2010)
    We present an Optical Model (OM) study of 6He on 208Pb elastic scattering data, measured at laboratory energies around the Coulomb barrier (Elab=14, 16, 18, 22, and 27 MeV) [1]. For the projectile-target bare interaction, ...
  • Icon

    Fusion of 8He with 206Pb around Coulomb barrier energies  [Presentation]

    Parkar, V. V.; Marquinez, G.; Martel, I.; Sánchez Benítez, A. M.; Acosta, Luis; Berjillos, R.; Dueñas, J.; González Álvarez, Marcos Aurelio; Fernández García, Juan Pablo; Fernández Martínez, Begoña; Gómez Camacho, Joaquín José; Labrador, J. A. (EDP Sciences, 2011)
    The experimental study of the fusion of light neutron-rich nucleus 8He with 206Pb is reported in this work. A fusion stack of 206Pb targets has been used for this study. The most prominent evaporation residue (210Po), which ...

View more