Listar Ponencias (Física Atómica, Molecular y Nuclear) por fecha de publicación
Mostrando ítems 1-20 de 32
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A method for the measurement of 99Tc by Quadrupole ICP-MS in dry fallout and sea grass samples [Ponencia]
(2003)A method for the detection of "Tc by ICP-MS in environmental samples is proposed and explained in detail. This method combines the capabilities of anion exchange chromatographic TEVA-Spec' resin with prior isotope ...
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Mecanismos de transferencia de radionucleidos en el medio ambiente [Ponencia]
(Empresa Nacional de Residuos Radioactivos, ENRESA, 2004) -
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Probing 6He structure from proton inelastic collisions [Ponencia]
(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 ...
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Four-body continuum-discretized coupled-channels calculations: Application to 6He+64Zn at 13.6 MeV [Ponencia]
(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 ...
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Connection between decoherence and excited state quantum phase transitions [Ponencia]
(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 ...
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On the relation between E(5)- models and the interacting boson model [Ponencia]
(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, ...
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Shape phase transitions and critical points [Ponencia]
(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 ...
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Decoherence as a Signature of an Excited State Quantum Phase Transition in Two Level Boson Systems [Ponencia]
(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 ...
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Dynamic studies of 11Li and its core 9Li on 208Pb near the Coulomb barrier [Ponencia]
(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.
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Development of a tracking system of exotic nuclear beams for FAIR [Ponencia]
(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 ...
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The 6He Optical Potential at energies around the Coulomb barrier [Ponencia]
(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, ...
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Fusion of 8He with 206Pb around Coulomb barrier energies [Ponencia]
(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 ...
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Study of the scattering of halo nuclei around the Coulomb barrier [Ponencia]
(American Institute of Physics, 2011)During the past ten years the present collaboration has carried out several experiments related with the study of radioactive nuclei. One of the topics in which we have centered our research, is the scattering of halo ...
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Deteminación del cociente isotópico 240Pu/239Pu en partículas calientes [Ponencia]
(2011)En este trabajo se exponen las principales características de las tres técnicas de medida utilizádas y puestas a punto en nuestro laboratorio para la determinación del cociente isotópico 240Pu/239Pu en partículas calientes. ...
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Elastic scattering of 9Li on 208Pb at energies around the Coulomb barrier [Ponencia]
(American Institute of Physics, 2011)We have studied the dynamical effects of the halo structure of 11Li on the scattering on heavy targets at energies around the Coulomb barrier. This experiment was performed at ISAC-II at TRIUMF with a world record in ...
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A beyond mean field study of Bose gases in a double-well potential with a Feshbach resonance [Ponencia]
(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. ...
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Stabilization method in two-body systems with core excitations [Ponencia]
(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 ...
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Excited state quantum phase transitions and chaos in the Dicke model [Ponencia]
(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 ...
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Core excitation effects in the breakup of halo nuclei [Ponencia]
(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 ...