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51. Las iglesias y el derecho laboral en la República Federal de Alemania

Author: Axel Freiherr Von Campenhausen and J. Puente Egido
Subjects: ley fundamental de la república federal de alemania, constitución del reich, derecho de autonomía, iglesia, derecho, jurisprudencia, Christianity, BR1-1725, Doctrinal Theology, BT10-1480
Abstract: En diferentes artículos de la Ley Fundamental de la República Federal de Alemania de 1949 y la Constitución del Reich de 1919 se garantiza el derecho que las iglesias y entidades religiosas tienen de autonomía. El Estado marca unos límites, pero dentro de ellos las iglesias pueden regular autónomamente sus asuntos. Desde esta base, el artículo analiza estos documentos legales.
Published: 1988

52. Reflections on endovascular treatment for ischaemic stroke. A stroke care plan for the Region of Madrid

Author: M, Alonso de Leciñana, J, Díaz-Guzmán, J A, Egido, A, García Pastor, P, Martínez-Sánchez, J, Vivancos, and E, Díez-Tejedor
Subjects: Stroke, Endovascular Procedures, Humans, Brain Ischemia
Published: 2014

53. Shape and pairing fluctuations effects on neutrinoless double beta decay nuclear matrix elements

Author: Tomás R. Rodríguez, J. Luis Egido, and Nuria López Vaquero
Subjects: Physics, Angular momentum, Particle number, Isotope, Nuclear Theory, General Physics and Astronomy, FOS: Physical sciences, Nuclear physics, Nuclear Theory (nucl-th), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Pairing, Double beta decay, Homogeneous space, Deformation (engineering), Nuclear Experiment (nucl-ex), Random phase approximation, Nuclear Experiment
Abstract: Nuclear matrix elements (NME) for the most promising candidates to detect neutrinoless double beta decay have been computed with energy density functional methods including deformation and pairing fluctuations explicitly on the same footing. The method preserves particle number and angular momentum symmetries and can be applied to any decay without additional fine tunings. The finite range density dependent Gogny force is used in the calculations. An increase of $10\%-40\%$ in the NME with respect to the ones found without the inclusion of pairing fluctuations is obtained, reducing the predicted half-lives of these isotopes., 5 pages, 3 Figures
Published: 2014

54. The prevalence of enteropathy due to Strongyloidiasis in Puerto Maldonado (Peruvian Amazon)

Author: J. M. Egido, J. A. De Diego, and P. Penin
Subjects: Strongyloides stercoralis, epidemiology, enteropathy, Peruvian Amazon, Infectious and parasitic diseases, RC109-216, Microbiology, QR1-502
Abstract: Human strongyloidiasis is an important health problem in the southeast region of Peruvian Amazon, due to its prevalence and long term morbidity. An epidemiological study was conducted in the Peruvian Amazon area of Puerto Maldonado to determine the prevalence of strongyloidiasis in the population. Stool samples were collected from 1,133 patients at the outpatient department of our clinic. Strongyloidiasis affected 221 examined patients (20%). Prevalence was highest in males, mostly in children and elderly men. People living in urban and marginal urban areas, those coming from outside the region, and Andean people, showed the highest prevalences. Pre-school children were more likely to be parasitized than older children. The most common symptoms were diarrhea (55%), abdominal pain (32%) and cough (53%). One in 7 (13%) affected patients presented with moderate or severe symptoms, including life-threatening complications. Other intestinal parasites were found frequently in patients diagnosed with strongyloidiasis. Improved human waste disposal services are considered to be the main requirement to reduce the high prevalence of this disease.
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55. A microscopic study of the octupole degree of freedom at high angular momentum

Author: L. M. Robledo, J. L. Egido, and E. Garrote
Subjects: Physics, Nuclear and High Energy Physics, Dipole, Angular momentum, Density dependent, Quantum electrodynamics, Nuclear Theory, Parity (physics), Atomic physics, Finite range
Abstract: A microscopic parity and number projected calculation after the variation was used to describe the rotational bands of the octupole deformed nuclei 144 Ba, 146 Ce and 224 Ra. The states obtained in a cranked Hartree-Fock-Bogoliubov approach are taken as intrinsic states for the parity and number projection. Dipole moments, deformation parameters, B(E1), B(E2) and B(E3) transition probabilities along the band are obtained and compared with the available experimental data. The calculations have been done with the finite range density dependent Gogny force.
Published: 1997
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56. Self-consistent description of the excited superdeformed bands in 191Hg

Author: A. Villafranca and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Density dependent, Excited state, Nuclear Theory, Quadrupole, Atomic physics, Self consistent, Moment of inertia, Finite range, Projection (linear algebra), Excitation
Abstract: The superdeformed ground and excited bands of the nucleus 191 Hg are calculated self-consistently within the Hartree-Fock-Bogoliubov theory with approximate particle number projection. In the numerical calculations we use the finite range density dependent Gogny force. We describe quadrupole moments, excitation energies and moments of inertia the experimentally observed four superdeformed bands. Former band assignments based in a more phenomenological approximation are confirmed. The agreement with the available experimental results is very satisfactory.
Published: 1997
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57. Spin-projected treatment of hot rotating nuclei in the static path approximation

Author: Raúl Dante Rossignoli, Norma Beatriz Canosa, and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Classical mechanics, Particle number, Orientation (geometry), Saddle point, Partition function (mathematics), Projection (linear algebra), Principal axis theorem, Spin-½
Abstract: We investigate a fully microscopic treatment of fluctuations in hot rotating nuclei, based on the static path approximation to the partition function and the saddle point method for the angular momentum and particle number projection. Shape and orientation fluctuations for fixed spin and particle number are in this way microscopically derived. Results are shown for 152 Dy with a quadrupole-quadrupole interaction, where the full treatment with orientation fluctuations and tilted rotations is compared with the principal axes approximation and also with the standard treatment involving a fixed value of the frequency and chemical potentials.
Published: 1996
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58. Finite temperature canonical treatments in the static path approximation

Author: Raúl Dante Rossignoli, Norma Beatriz Canosa, and J. L. Egido
Subjects: Physics, Canonical ensemble, Nuclear and High Energy Physics, Microcanonical ensemble, Grand canonical ensemble, Partition function (statistical mechanics), Mean field theory, Isothermal–isobaric ensemble, Pairing, Nuclear Theory, Mathematical analysis, Translational partition function
Abstract: The static path approximation to the nuclear partition function is applied within a canonical ensemble, utilizing the saddle-point approximation for the finite temperature proton and neutron number projection. Results obtained with a pairing plus quadrupole interaction indicate that significant differences between the canonical and grand canonical distribution over the deformation parameters and gaps may arise, particularly in transitional nuclei like 152 Dy. Comparison with effective mean field approximations is also made.
Published: 1996
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59. Relativistic Hartree-Bogoliubov calculations with finite range pairing forces

Author: G. A. Lalazissis, T. Gonzalez-Llarena, Peter Ring, and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Mean field theory, Isotope, Pairing, Quantum electrodynamics, Nuclear Theory, Hartree, Nuclear Experiment, Finite range, Relativistic quantum chemistry
Abstract: We propose a relativistic extension of Hartree-Bogoliubov theory on the basis of relativistic mean field theory. Pairing correlations are taken into account by an effective interaction of finite range adjusted by Gogny and his group. This allows a fully self-consistent description of pairing correlations over the entire periodic table. The method is applied for the investigation of several isotope chains of spherical Pb, Sn, and Zr nuclei with magic proton configurations.
Published: 1996
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60. Representation of three-dimensional rotations in oscillator basis sets

Author: R. G. Nazmitdinov, J. L. Egido, L. M. Robledo, and P. Ring
Subjects: Physics, Nuclear and High Energy Physics, Matrix (mathematics), Quantum harmonic oscillator, law, Mathematical analysis, Anharmonicity, Cartesian coordinate system, Parametric oscillator, Rotation operator, Harmonic oscillator, Generating function (physics), law.invention
Abstract: Using the generating function technique we calculate the matrix elements of the rotation operator between harmonic oscillator wave functions of different oscillator lengths. Closed analytical expressions for the matrix elements for harmonic oscillator wave functions in Cartesian and cylindrical coordinates are provided. They are given in terms of finite sums and are adequate for computer programs.
Published: 1996
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61. Projection Methods, Variational Diagonalization of the Pairing Hamiltonian and Restoration of Rotational and Gauge Invariance

Author: J. Luis Egido
Subjects: symbols.namesake, Hamiltonian lattice gauge theory, Pairing, symbols, Gauge theory, Hamiltonian (quantum mechanics), Mathematical physics, Mathematics, Orthogonal diagonalization
Published: 2013
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62. Large-amplitude pairing fluctuations in atomic nuclei

Author: J. Luis Egido, Tomás R. Rodríguez, Nuria López Vaquero, and UAM. Departamento de Física Teórica
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Nuclear Theory, FOS: Physical sciences, Física, Observable, Nuclear Theory (nucl-th), Classical mechanics, Amplitude, Excited state, Pairing, Quantum mechanics, Quadrupole, Atomic nucleus, Excitation
Abstract: Pairing fluctuations are self-consistently incorporated on the same footing as the quadrupole deformations in present state of the art calculations including particle number and angular momentum conservation as well as configuration mixing. The approach is complemented by the use of the finite range density dependent Gogny force which, with a unique source for the particle-hole and particle-particle interactions, guarantees a self-consistent interplay in both channels. We have applied our formalism to study the role of the pairing degree of freedom in the description of the most relevant observables like spectra, transition probabilities, separation energies, etc. We find that the inclusion of pairing fluctuations mostly affects the description of excited states, depending on the excitation energy and the angular momentum. $E0$ transition probabilities experiment rather big changes while $E2$'s are less affected. Genuine pairing vibrations are thoroughly studied with the conclusion that deformations strongly inhibits their existence. These studies have been performed for a selection of nuclei: spherical, deformed and with different degree of collectivity., 23 pages, 23 Figures, To be published in Phys. Rev. C
Published: 2013

63. On the solution of the Hartree-Fock-Bogoliubov equations by the conjugate gradient method

Author: J. Lessing, L. M. Robledo, J. L. Egido, and Vicente Martin
Subjects: Physics, Nonlinear conjugate gradient method, Nuclear and High Energy Physics, Biconjugate gradient method, Biconjugate gradient stabilized method, Conjugate gradient method, Nuclear Theory, Mathematical analysis, Conjugate residual method, Derivation of the conjugate gradient method, Gradient descent, Gradient method
Abstract: The conjugate gradient method is formulated in the Hilbert space for density and non-density dependent Hamiltonians. We apply it to the solution of the Hartree-Fock-Bogoliubov equations with constraints. As a numerical application we show calculations with the finite range density dependent Gogny force. The number of iterations required to reach convergence is reduced by a factor of three to four as compared with the standard gradient method.
Published: 1995
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64. Comparative soil study in a mediterranean ecosystem ofQuercus pyrenaica(Willd.)

Author: M. I. Gonzalez, C. Quilchano, and J. A. Egido
Subjects: Biogeochemical cycle, Nutrient cycle, biology, Soil science, Understory, biology.organism_classification, Soil type, Microbiology, Quercus pyrenaica, Agronomy, Soil water, Earth and Planetary Sciences (miscellaneous), Cation-exchange capacity, Environmental Chemistry, Environmental science, Soil horizon, General Environmental Science
Abstract: A comparison was made of certain elements of the biogeochemical cycle of soils in forest ecosystems of the deciduous species Quercus pyrenaica (Willd.). Four sampling sites were selected in a rainfall gradient, with slight differences in the understory composition. Two of the sites were over schist and the other two over granites; however, the soil type (xerumbrepts) was similar for the four sites. Soil chemical and physicochemical parameters such as carbon, nitrogen, pH, cation exchange capacity (CEC), and exchangeable cations were monitored in the upper soil horizon (0–10 cm). Samples were collected every 3 months for 3 years. The final sample size was n = 96. An inverse relationship between rainfall and exchangeable cation concentration was found, with significant differences (p < .05) among the sites, with the exception of exchangeable sodium. The sum of cation values were 8.15 cmol kg‐1 for site 1 (720 mm mean annual precipitation), 3.07 cmol kg‐1 for site 2 (872 mm mean annual precipitation), 2.02 c...
Published: 1995
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65. Microcanonical averages and the validity of statistical treatments

Author: Raúl Dante Rossignoli and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Microcanonical ensemble, Particle model, Saddle point, Quadrupole, Statistical physics, Value (mathematics)
Abstract: Microcanonical expectation values and their evaluation in the saddle point approximation are examined. Results are shown for a heavy nucleus in an independent particle model and in a double well model illustrating shape coexistence, where the exact microcanonical level density and average value of the quadrupole moment is compared with the grand canonical and canonical results.
Published: 1995
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66. Climate sequence of soils developed on granites in the Sierra de Gata, Salamanca, Spain

Author: M. I. Gonzalez, J. A. Egido, and C. Quilchano
Subjects: Hydrology, Pedogenesis, Soil water, Cation-exchange capacity, Soil horizon, Soil morphology, Soil science, Plant Science, Soil carbon, Soil fertility, Soil type, Geology, Earth-Surface Processes
Abstract: The present paper addresses the soil development of four soil profiles of a climose‐quence in which parent material, topography, and vegetation are similar, so the different characteristics observed are associated with climatic variations. Among these, rainfall showed the greatest variation and will, therefore, be principally responsible for the changes that have occurred. The results show that a higher rainfall produces a higher amount of soil organic carbon (4.2–6.8%, in the A horizon) and hence a higher cation exchange capacity (15.2–20.6 cmolc kg−1). Likewise, rainfall enhances the leaching of the soluble components, and then the values of sum of cations, base saturation, and pH gradually decrease from the GR‐1 profile (700 mm annual rainfall) to the GR‐4 profile (1,500 mm annual rainfall). Finally, the weathering of the parent material increases following that same rainfall gradient. This is apparent both in the horizon morphological characteristics (thickness of the horizons, color, etc.) and in som...
Published: 1995
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67. Mean-field calculations of proton and neutron distributions in Sr, Xe and Ba isotopes

Author: Peter Ring, Krzysztof Pomorski, J. L. Egido, Andrzej Baran, L. M. Robledo, and Bożena Nerlo-Pomorska
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Isotope, Proton, Nuclear Theory, Significant difference, Deformation (meteorology), Nuclear physics, Mean field theory, Quadrupole, Neutron, Atomic physics, Nuclear Experiment
Abstract: The mean-square nuclear radii, quadrupole moments and deformation parameters of the proton and neutron distributions are evaluated using the mean-field Hamiltonians with the Gogny and Skyrme forces. The results are compared with the estimates obtained within the relativistic mean-field theory and with the experimental data. The calculations were performed for a few sets of the Skyrme forces and for a wide range of the neutron numbers of Sr, Xe and Ba isotopes. A significant difference was found in the deformation of the proton and neutron distributions, especially for Sr isotopes.
Published: 1995
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68. State-of-the-art of beyond mean field theories with nuclear density functionals

Author: J. Luis Egido
Subjects: Physics, Angular momentum, Nuclear Theory, Basis (linear algebra), 010308 nuclear & particles physics, Degrees of freedom (physics and chemistry), FOS: Physical sciences, Condensed Matter Physics, 01 natural sciences, Atomic and Molecular Physics, and Optics, Projection (linear algebra), Nuclear Theory (nucl-th), Theoretical physics, Mean field theory, Pairing, 0103 physical sciences, Nuclear Experiment (nucl-ex), 010306 general physics, Linear combination, Wave function, Nuclear Experiment, Mathematical Physics
Abstract: We present an overview of beyond mean field theories (BMFT) based on the generator coordinate method (GCM) and the recovery of symmetries used in nuclear physics with effective forces. After a reminder of the Hartree-Fock-Bogoliubov (HFB) theory a discussion of the shortcomings of any mean field approximation (MFA) is presented. The recovery of the symmetries spontaneously broken in the HFB approach, in particular the angular momentum, is necessary, among others, to describe excited states and transitions. Particle number projection is needed to guarantee the right number of protons and neutrons. Furthermore a projection before the variation prevents the pairing collapse in the weak pairing regime. The lack of fluctuations around the average values of the MFA is a shortcoming of this approach. To build in correlations in BMFT one selects the relevant degrees of freedom: quadrupole, octupole and the pairing vibrations as well as the single particle ones. In the GCM the operators representing these degrees of freedom are used as coordinates to generate a collective subspace. The highly correlated GCM wave function is finally written as a linear combination of a projected basis of this space. The variation of the coefficients of the linear combination leads to the Hill-Wheeler equation. We discuss the classical beta and gamma vibrations by considering the quadrupole operators as coordinates. We present pairing fluctuations by considering the pairing gaps as generator coordinates. Lastly the explicit consideration of the time reversal symmetry breaking in the HFB wave function by the cranking procedure allows the alignment of nucleon pairs opening a new dimension in the BMFT calculations. Abundant calculations with the Gogny force illustrate the state-of-the-art of BMFTs with density functionals. We conclude with a thorough discussion on the potential poles of the theory., To be published in Physica Scripta as an invited comment in a focus issue to celebrate the 40-year anniversary of the 1975 Nobel Prize to Aage Niels Bohr, Ben Roy Mottelson and Leo James Rainwater
Published: 2016
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69. [Endovascular treatment in acute ischaemic stroke. A stroke care plan for the region of Madrid]

Author: M, Alonso de Leciñana, J, Díaz-Guzmán, J A, Egido, A, García Pastor, P, Martínez-Sánchez, J, Vivancos, and E, Díez-Tejedor
Subjects: Stroke, Consensus, Treatment Outcome, Spain, Contraindications, Endovascular Procedures, Humans, Thrombolytic Therapy, Brain Ischemia, Thrombectomy
Abstract: Endovascular therapies (intra-arterial thrombolysis and mechanical thrombectomy) after acute ischaemic stroke are being implemented in the clinical setting even as they are still being researched. Since we lack sufficient data to establish accurate evidence-based recommendations for use of these treatments, we must develop clinical protocols based on current knowledge and carefully monitor all procedures.After review of the literature and holding work sessions to reach a consensus among experts, we developed a clinical protocol including indications and contraindications for endovascular therapies use in acute ischaemic stroke. The protocol includes methodology recommendations for diagnosing and selecting patients, performing revascularisation procedures, and for subsequent patient management. Its objective is to increase the likelihood of efficacy and treatment benefit and minimise risk of complications and ineffective recanalisation. Based on an analysis of healthcare needs and available resources, a cooperative inter-hospital care system has been developed. This helps to ensure availability of endovascular therapies to all patients, a fast response time, and a good cost-to-efficacy ratio. It includes also a prospective register which serves to monitor procedures in order to identify any opportunities for improvement.Implementation of endovascular techniques for treating acute ischaemic stroke requires the elaboration of evidence-based clinical protocols and the establishment of appropriate cooperative healthcare networks guaranteeing both the availability and the quality of these actions. Such procedures must be monitored in order to improve methodology.
Published: 2012

70. Prolate shape of 140Ba from a first combined Doppler-shift and Coulomb-excitation measurement at the REX-ISOLDE facility

Author: J. Leske, J. L. Egido, Norbert Pietralla, N. Patronis, V. Bildstein, R. Krücken, Fredrik Wenander, Tomás R. Rodríguez, Dietrich Habs, B. Bruyneel, Andreas Wiens, R. Gernhäuser, Herbert Hess, A. Petts, C. Stahl, T. Behrens, Jonathan Butterworth, Andreas Ekström, J. Van de Walle, I. Stefanescu, Th. Kröll, P. G. Thirolf, C. Fransen, A. Blazhev, T. Möller, Conor Fitzpatrick, Takaharu Otsuka, P. Marley, L. Coquard, D. Voulot, R. Lutter, Emyr Clement, N. Warr, Thierry Stora, C. Bauer, Noritaka Shimizu, Grand Accélérateur National d'Ions Lourds (GANIL), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), European Organization for Nuclear Research (CERN), Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and UAM. Departamento de Física Teórica
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Yrast, Monte Carlo method, Nuclear Theory, Nuclear structure, Física, Observable, Coulomb excitation, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Nuclear physics, Excited state, 0103 physical sciences, Quadrupole, Subatomic Physics, Nuclear Physics - Experiment, Nuclide, Atomic physics, 010306 general physics, Nuclear Experiment
Abstract: Background: Quadrupole moments of excited nuclear states are important observables for geometrically interpreting nuclear structure in terms of deformed shapes, although data are scarce and sometimes ambiguous, in particular, in neutron-rich nuclides. Purpose: A measurement was performed for determining the spectroscopic quadrupole moment of the 21+ state of 140Ba in order to clarify the character of quadrupole deformation (prolate or oblate) of the state in its yrast sequence of levels. Method: We have utilized a new combined technique of lifetime measurement at REX-ISOLDE and MINIBALL using the Doppler-shift attenuation method (DSAM) and a reorientation analysis of Coulomb-excitation yields. Results: On the basis of the new lifetime of τ(21+)=10.4-0.8+2.2 ps the electric quadrupole moment was determined to be Q(21+)=-0.52(34) eb, indicating a predominant prolate deformation. Conclusions: This finding is in agreement with beyond-mean-field calculations using the Gogny D1S force and with results from the Monte Carlo shell-model approach, This experiment was supported by the BMBF (06DA9036I, 06DA9041I, 06DA7046, 06MT238, 06MT9156, 06ML234, 06KY205I, 06KY9136I), RII3-EURONS (Contract No. 506065), HIC for FAIR, Grants-in-Aid for Young Scientists (20740127) from JSPS, the SPIRE Field 5 from MEXT (Japan), and the MINIBALL and ISOLDE Collaborations
Published: 2012
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71. Fission half-lives of superheavy nuclei in a microscopic approach

Author: Michał Warda, J. L. Egido, and UAM. Departamento de Física Teórica
Subjects: Physics, Nuclear and High Energy Physics, Nuclear Theory, Fission, FOS: Physical sciences, Física, Observable, Nuclear Theory (nucl-th), Nuclear physics, Nuclear Experiment, Wave function, Ground state, Axial symmetry, Nuclear theory, Spontaneous fission
Abstract: A systematic study of 160 heavy and super-heavy nuclei is performed in the Hartree-Fock-Bogoliubov approach with the finite range and density dependent Gogny force with the D1S parameter set. We show calculations in several approximations: with axially symmetric and reflexion symmetric wave functions, with axially symmetric and non-reflexion symmetric wave functions and finally some representative examples with triaxial wave functions are also discussed. Relevant properties of the ground state and along the fission path are thoroughly analyzed. Fission barriers, Q$_\alpha$-factors and lifetimes with respect to fission and $\alpha$-decay as well as other observables are discussed. Larger configuration spaces and more general HFB wave functions as compared to previous studies provide a very good agreement with the experimental data., Comment: 26 pages, 15 figures
Published: 2012

72. Angular-momentum-projected description of the yrast line of dysprosium isotopes

Author: Yang Sun and J. L. Egido
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Angular momentum, chemistry, Isotope, Yrast, Dysprosium, chemistry.chemical_element, Atomic physics, Moment of inertia, Line (formation)
Abstract: The yrast levels of the dysprosium isotopes with mass numbers ranging from 154 till 164 are investigated up to high angular momentum. In the theoretical analysis we use the angular-momentum-projected Tamm-Dancoff approximation. We describe energy levels, moments of inertia, gyromagnetic factors and B (E2) transition probabilities. We find a much better agreement with the experiment than in cranking-type calculations. We are able, in particular, to make a quantitative description of the electromagnetic properties of most of the nuclei involved in this calculation.
Published: 1994
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73. Excited bands ofYb168in an angular momentum projected theory

Author: J. L. Egido and Yang Sun
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Spins, Total angular momentum quantum number, Yrast, Angular momentum coupling, Rotational transition, Moment of inertia, Atomic physics, Wave function
Abstract: The angular momentum projected Tamm-Dancoff approximation is applied to describe eight excited rotational bands of the nucleus $^{168}\mathrm{Yb}$ up to very high angular momenta. The good agreement with the experimental data allows us to assign parity and angular momentum to some bands which previously had uncertain assignment. Beside the energy levels, we describe moments of inertia, gyromagnetic factors, and B(E2) transition probabilities along the yrast band. The pairing properties of this nucleus at high spins are discussed in the frame of a symmetry violating wave function. We do not find it necessary to invoke a phase transition to obtain a good agreement with the experimental data at very high spins.
Published: 1994
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74. Fourth meeting of the European Neurological Society 25–29 June 1994 Barcelona, Spain

Author: H. Hattig, C. Delli Pizzi, M. C. Addonizio, Michelle Davis, A. R. Giovagnoli, L. Florensa, M. Roth, J. de Kruijk, Francisco Lacruz, Ph. Dewailly, A. Toygar, C. Avendano, P.P. De Deyn, J. F. Hurtevent, F. Lomeila, T. W. Wong, Gordon T. Plant, M. Bud, H. J. Willison, DH Miller, D. W. Langdon, R. Cioni, J. Servan, A. Kaygisiz, E. Racadot, D. B. Schens, E. Picciola, L. Falip, C. Bouchard, J. Jotova, A. Jorge-Santamaria, P. Misra, A. Dufour, C. P. Panagopoulos, A. Venneri, B. Sredni, B. Angelard, M. Janelidze, M. Carreno, J. Obenberger, J. Pouget, H. W. Moser, R. Kaufmann, J. A. Molina, D. Linden, A. Martin Urda, E. Uvestad, A. Krone, J. P. Cochin, J. Mallecourt, A. Cambon-Thomsen, K. Violleau, P. Osschmann, A. M. Durocher, E. Bussaglia, D. M. Danielle, H. Efendi, C. Van Broeckhoven, K. G. Jordan, W. Rautenberg, C. Iniguez, J. M. Delgado, Graham Watson, M. Lawden, Gareth J. Barker, K. Stiasny, James T. Becker, G. Campanella, E. Peghi, A. Poli, A. Haddad, T. Yamawaki, Giacomo P. Comi, S. Sotgiu, B. Ersmark, A. Pomes, M. Ziegler, P. Ferrante, P. Ruppi, H. KuÇukoglu, R. Bouton, U. K. Rinne, P. Vieregge, M. Dary, P. Giunti, Peter J. Goadsby, S. Jung, E. Secor, A. Steinberg, N. Vila, M. A. Hernandez, M. Cursi, A. Enqelhardt, A. Engelhardt, J. Veitch, F. Di Silverio, F. Arnaud, B. Neundörfer, R. Brucher, Dominique Caparros-Lefebvre, B. Meyer, Marianne Dieterich, M. H. Snidaro, R. Gomez, R. Cerbo, M. Ragno, J. M. Vance, S. Nemni, A. Caliskan, F. Barros, I. Velcheva, D. Ceballos-Baumann, V. Barak, A. Avila, N. Antonova, F. Resche, S. Pappata, L. Varela, S. R. Silveira Santos, A. Cammarota, L. Naccache, Y. Nara, E. Tournier-Lasserves, R. Mobner, T. Chase, A. Ensenyat, J. Ulrich, G. Giegerich, M. Rother, M. Revilla, N. Nitschke, K. Honczarenko, E. Basart Tarrats, J. Blin, B. Jacob, J. Santamaria, S. Knezevic, J. L. Castillo, M. Antem, J. Colomer, O. Busse, Didier Hannequin, S. Carrier, J. B. Ruidavets, C. Rozman, J. Bogoussslavsky, J. Pascual Calvet, E. Monros, J. M. Polo, M. Zucconl, Javier Muruzabal, R. R. Allen, R. Rivolta, K. Haugaard, A. Nespolo, K. Hoang-Xuang, G. Bussone, T. Avramidis, E. Corsini, Christiana Franke, T. Vinogradova, H. Boot, K. Vestergaard, G. H. Jansen, N. Argentino, M. Raltzig, W. Linssen, Mark B. Pepys, P. Roblot, L. Lauritzen, E. Fainardi, D. Morin, T. X. Arbizu Urdiain, J. Wollenhaupt, S. Bostantjopoulou, G. Pavesi, A. D. Forman, Giovanni Fabbrini, D. Jean, J. J. Archelos, M. I. Blanchs, M. Del Gobbo, Anna Carla Turconi, Ch. Derouesné, Elio Scarpini, A. Visbeck, P. Castejon, J. P. Renou, F. Mounier-Vehier, G. Potagas, Ch. Duyckaerts, A. Filla, R. Schneider, G. Ronen, K. Nagata, J. P. Vedel, A. Henneberg, G. van Melle, C. Baratti, H. Knott, M. C. Prevett, A. Bes, B. Metin, Jos V. Reempts, L. Martorell, Mefkure Eraksoy, H. O. Handwerker, D. S. Younger, O. Oktem, D. Frongillo, C. Soriano-Soriano, L. Niehaus, F. Zipp, A. Tartaro, S Newman, R. H. Browne, P. Davous, R. Sanchez, M. Muros, M. E. Kornhuber, A. Lavarone, M. 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Masana, A. Goossens, B. Heye, K. Lauer, Heinz Gregor Wieser, Stephen R. Williams, B. Garavaglia, A. P. Sempere, F. Grigoletto, P. Poindron, R. Lopez-Pajares, I. Leite, T. A. McNell, C. Caucheteur, J. M. Giron, A. D. Collins, P. Freger, J. Sanhez Del Rio, D. A. Harn, K. Lindner, S. S. Scherer, G. Serve, M. Juncadella, X. Estivill, R. Binkhorst, M. Anderson, B. Tekinsoy, C. Sagan, T. Anastopoulos, G. Japaridze, S. Guillou, F. Erminio, Jon Sussman, P. G. Oomes, D. S. Rust, S. Mascheroni, O. Berger, M. Peresson, K. V. Toyka, T. W. Polder, M. Huberman, B. Arpaci, H. Ramtami, I. Martinez, Ph. Violon, P. P. Gazzaniga Pozzill, R. Ruda, P. Auzou, J. Parker, S. P. Morrissey, Jiahong Zhu, F. Rotondi, P. Baron, W. Schmid, P. Doneda, M. Spadaro, M. C. Nargeot, I. Banchs, J.S.P. van den Berg, R. Ferrai, M. Robotti, M. Fredj, Pedro M. Rodríguez Cruz, B. Erne, D. G. Piepgras, M. C. Arne-Bes, J. Escudero, C. Goetz, A. R. Naylor, M. Hallett, O. Abramsky, E. Bonifacio, L. E. Larsson, R. Pellikka, P. Valalentino, D. Guidetti, B. Buchwald, C. H. Lücking, D. Gauvreau, F. Pfaff, A. Ben Younes-Chennoufi, R. Kiefer, R. Massot, K. A. Hossmann, L. Werdelin, P. J. Baxter, U. Ziflo, S. Allaria, C. D. Marsden, M. Cabaret, S. P. Mueller, E. Calabrese, R. Colao, S. I. Bekkelund, M. Yilmaz, O. Oktem-Tanor, R. Gine, M. E. Scheulen, J. Beuuer, A. Melo, Z. Gulay, M. D. Have, C. Frith, D. Liberati, J. Gozlan, P. Rondot, Ch. Brunholzl, M. Pocchiari, J. Pena, L. Moiola, C. Salvadori, A. Cabello, T. Catarci, S. Webb, C. Dettmers, N. A. Gregson, Alexandra Durr, F. Iglesias, U. Knorr, L. Ferrini-Strambi, F. Kruggel, P. Allard, A. Coquerel, P. Genet, F. Vinuels, C. Oberwittler, A. Torbicki, P. Leffers, B. Renault, B. Fauser, C. Ciano, G. Uziel, J. M. Gibson, F. Anaya, C. Derouesné, C. N. Anagnostou, M. Kaido, W. Eickhoff, G. Talerico, M. L. Berthier, A. Capdevila, M. Alons, D. Rezek, E. Wondrusch, U. Kauerz, D. Mateo, M. A. Chornet, Holon, N. Pinsard, I. Doganer, E. Paoino, H. Strenge, C. Diaz, J. R. Brasic, W. Heide, I. Santilli, W. M. Korn, D. Selcuki, M. J. Barrett, D. Krieger, T. Leon, T. Houallah, M. Tournilhac, C. Nos, D. Chavot, F. Barbieri, F. J. Jimenez-Jimenez, J. Muruzabal, K. Poeck, A. Sennlaub, L. M. Iriarte, L. G. Lazzarino, C. Sanz, P. A. Fischer, S. D. Shorvon, R. Hoermann, F. Delecluse, M. Krams, O. Corabianu, F. H. Hochberg, Christopher J. Mathias, B. Debachy, C. M. Poser, L. Delodovici, A. Jimenez-Escrig, F. Baruzzi, F. Godenberg, D. Cucinotta, P. J. Garcia Ruiz, K. Maier-Hauff, P. R. Bar, R. Mezt, R. Jochens, S. Karakaneva, C. Roberti, E. Caballero, Joseph E. Parisi, M. Zamboni, T. Lacasa, B. Baklan, J. C. Gautier, J. A. Martinez-Matos, W. Pollmann, G. Thomas, L. Verze, E. Chleide, R. Alvarez Sala, I. Noel, E. Albuisson, O. Kastrup, S. I. Rapoport, H. J. Braune, H. Lörler, M. Le Merrer, A. Biraben, S. Soler, S. J. Taagholt, U. Meyding-Lamadé, K. Bleasdale-Barr, Isabella Moroni, Y. Campos, J. Matias-Guiu, G. Edan, M. G. Bousser, John B. Clark, J. Garcia de Yebenes, N. K. Olsen, P. Hitzenberger, S. Einius, Aj Thompson, Ch. J. Vecht, T. Crepin-Leblond, Klaus L. Leenders, A. Di Muzio, L. Georgieva, René Spiegel, K. Sabey, D. Ménégalli, J. Meulstee, U. Liszka, P. Giral, C. Sunol, J. M. Espadaler, A. D. Crockar, K. Varli, G. Giraud, P. J. Hülser, A. Benazzouz, A. Reggio, M. Salvatore, K. Genc, M. Kushnir, S. Barbieri, J. Ph. Azulay, M. Gianelli, N. Bathien, A. AlMemar, F. Hentati, I. Ragueneau, F. Chiarotti, R. C. F. Smits, A. K. Asbury, F. Lacruz, B. Muller, Alan J. Thompson, Gordon Smith, K. Schmidt, C. Daems Monpeun, Juergen Weber, A. Arboix, G. R. Fink, A. M. Cobo, M. Ait Kaci Ahmed, E. Gencheva, Israel-Biet, G. Schlaug, P. De Jonghe, Philip Scheltens, K. Toyka, P. Gonzalez-Porque, A. Cila, J. M. Fernandez, P. Augustin, J. Siclia, S. Medaglini, D. E. Ziogas, A. Feve, L. Kater, G. J. E. Rinkel, D. Leppert, Rüdiger J. Seitz, S. Ried, C. Turc-Carel, G. Smeyers, F. Godinho, M. Czygan, M. Rijntjes, E. Aversa, M. Frigo, Leif Østergaard, J. L. Munoz Blanco, A. Cruz-Matinez, J. De Reuck, C. Theillet, T. Barroso, V. Oikonen, Florence Lebert, M. Kilinc, C. Cordon-Cardon, G. Stoll, E. Thiery, F. Pulcinelli, J. Solski, M. Schmiegelow, L. J. Polman, P. Fernandez-Calle, C. Wikkelso, M. Ben Hamida, M. Laska, E. Kott, W. Sulkowski, C. Lucas, N. M. Bornstein, D. Schmitz, M. W. Lammers, A. de Louw, R. J. S. Wise, P. A. van Darn, C. Antozzi, P. Villanueva, P. H. E. Hilkens, C. Constantin, W. Ricart, A. Wolf, M. Gamba, P. Maguire, Alessandro Padovani, B. M. Patten, Marie Sarazin, H. Ackermann, L. Durelli, S. Timsit, Sebastian Jander, B. W. Scheithauer, G. Demir, J. P. Neau, P. Barbanti, A. Brand, N. AraÇ, V. Fischer-Gagnepain, R. Marchioli, G. Serratrice, C. Maugard-Louboutin, G. T. Spencer, D. Lücke, G. Mainardi, K. Harmant Van Rijckevorsel, G. B. Creel, R. Manzanares, Francesco Fortunato, A. May, J. Workman, K. Johkura, E. Fernandez, Carlo Colosimo, L. Calliauw, L. Bet, Félix F. Cruz-Sánchez, M. Dhib, H. Meinardi, F. Carrara, J. Kuehnen, C. Peiro, H. Lassmann, K. Skovgaard Olsen, A. McDonald, L. Sciulli, A. Cobo, A. Monticelli, B. Conrad, J. Bagunya, J. Benitez, V. Desnizza, B. Dupont, O. Delrieu, D. Moraes, J. J. Heimans, F. Garcia Rio, M. Matsumto, A. Fernandez, R. Nermni, R. Chalmers, M. J. Marchau, F. Aguado, P. Velupillai, P. J. Martin, P. Tassan, V. Demarin, A. Engelien, T. Gerriets, Comar, J. L. Carrasco, J. P. Pruvo, A. Lopez de Munain, D. Pavitt, J. Alarcon, Chris H. Polman, B. Guldin, N. Yeni, Hartmut Brückmann, N. Wilczak, H. Szwed, R. Causaran, G. Kyriazis, M. E. Westarp, M. Gasparini, N. Pecora, J. M. Roda, E. Lang, V. Scaioli, David R. Fish, D. Caputo, O. Gratzl, R. Mercelis, A. Perretti, G. Steimetz, I. Link, C. Rigoletto, A. Catafau, G. Lucotte, M. Buti, G. Fagiolari, A. Piqueras, C. Godinot, J. C. Meurice, Erodriguez J. Dominigo, F. Lionnet, H. Grzelec, David J. Brooks, P. M. G. Munro, F. X. Weilbach, M. Maiwald, W. Split, B. Widjaja-Cramer, V. Ozturk, J. Colas, E. Brizioli, J. Calleja, L. Publio, M. Desi, R. Soffietti, P. Cortinovis-Tourniaire, E. F. Gonano, G. Cavaletti, S. Uselli, K. Westerlind, H. Betuel, C. O. Dhiver, H. Guggenheim, M. Hamon, R. Fazio, P. Lehikoinen, A. Esser, B. Sadzot, G. Fink, Angelo Antonini, D. Bendahan, V. Di Carlo, G. Galardi, A. F. Boller, M. Aksenova, Del Fiore, V. de la Sayette, H. Chabriat, A. Nicoletti, A. Dilouya, M. L. Harpin, E. Rouillet, J. Stam, A. Wolters, M. R. Delgado, Eduardo Tolosa, G. Said, A. J. Lees, L. Rinaldi, A. Schulze-Bonhage, MA Ron, C. Lefebvre, E. W. Radü, R. Alvarez, M. L. Bots, P. Reganati, S. Palazzi, A. Poggi, N. J. Scolding, V. Sazdovitch, T. Moreau, E. Maes, M. A. Estelies, P. Petkova, Jose-Felix Marti-Masso, G De La Meilleure, N. Mullatti, M. Rodegher, N. C. Notermans, T. A. T. Warner, S. Aktan, J. P. Louboutin, L. Volpe, C. Scheidt, W. Aust, C. M. Wiles, U. Schneider, S. K. Braekken, W. R. Willems, K. Usuku, Peter M. Rothwell, C. Talamon, M. L. Sacchetti, A. Codina, M. H. Marion, A. Santoro, J. Roda, A. Bordoni, D. J. Taylor, S. Ertas, H. H. Emmen, J. Vichez, V. BesanÇon, R. E. Passingham, M. L. Malosio, A. Vérier, M. Bamberg, A. W. Hansen, E. Mostacero, G. Gaudriault, Marie Vidailhet, B. Birebent, K. Strijckmans, F. Giannini, T. Kammer, I. Araujo, J. Nowicki, E. Nikolov, A. Hutzelmann, R. Gherardi, J. Verroust, L. Austoni, A. Scheller, A. Vazquez, S. Matheron, H. Holthausen, J. M. Gerard, M. Bataillard, S. Dethy, V. H. Patterson, V. Ivanez, N. P. Hirsch, F. Ozer, M. Sutter, C. Jacomet, M. Mora, Bruno Colombo, A. Sarropoulos, T. H. Papapetropoulos, M. Schwarz, D. S. Dinner, N. Acarin, B. Iandolo, J. O. Riis, P. R. J. Barnes, F. Taroni, J. Kazenwadel, L. Torre, A. Lugaresi, I. L. Henriques, S. Pauli, S. Alfonso, Pedro Quesada, A. S. T. Planting, J. M. Castilla, Thomas Gasser, M. Van der Linden, A. Alfaro, E. Nobile-Orazio, G. Popova, W. Vaalburg, F. G. A. van der Mech, L. Williams, F. Medina, J. P. Vernant, J. Yaouanq, B. Storch-Hagenlocher, A. Potemkowski, R. Riva, M. H. Mahagne, M. Ozturk, Ve. Drory, N. Konic, C. Jungreis, A. Pou Serradell, J. L. Gauvrit, G. J. Chelune, S. Hermandez, T. Dingus, L. Hewer, Ch. Koch, M. N. Metz-Lutz, G. Parlato, M. Sinaki, Charles Pierrot-Deseilligny, H. C. Diener, J. Broeckx, J. Weill-Fulazza, M. L. Villar, M. Rizzo, O. Ganslandt, C. Duran, N. A. Fletcher, G. Di Giovacchino, Susan T. Iannaccone, C. Kolig, N. Fabre, H. A. Crockard, Rita Bella, M. Tazir, E. Papagiannuli, K. Overgaard, Emma Ciafaloni, I. Lorenzetti, F. Viader, P. A. H. Millac, I. Montiel, L. H. Visser, M. Palomar, P. L. Murgia, H. Pedersen, Rafael Blesa, S. Seddigh, W. O. Renier, I. Lemahieu, H. M. L. Jansen, L. Rosin, J. Galofre, K. Mattos, M. Pondal, G. M. Hadjigeorgiou, D. Francis, L. Cantin, D. Stegeman, M. Rango, A. B. M. F. Karim, S. Schraff, B. Castellotti, I. Iriarte, E. Laborde, T. J. Tjan, R. Mutani, D. Toni, B. Bergaasco, J. G. Young, C. Klotzsch, A. Zincone, X. Ducrocq, M. Uchuya, O. J. Kolar, A. Quattrone, T. Bauermann, Nereo Bresolin, J. Vallée, B. C. Jacobs, A. Campos, Werner Poewe, J. A. Villanueva, A. W. Kornhuber, A. Malafosse, E. Diez-Tejedor, G. Jungreia, M. J. A. Puchner, A. Komiyama, O. Saribas, V. Volpini, L. Geremia, S. Bressi, A. Nibbio, Timothy E. Bates, T. z. Tzonev, E. Ideman, G. A. Damlacik, G. Martino, G. Crepaldi, T. Martino, Kjell Någren, E. Idiman, D. Samuel, J. M. Perez Trullen, Y. van der Graaf, J. O. Thorell, M. J. M. Dupuis, E. Sieber, R. D'Alessandro, C. Cazzaniga, J. Faiss, A. Tanguy, A. Schick, I. Hoksergen, A. Cardozo, R. Shakarishvili, G. K. Wennlng, J. L. Marti-Vilalta, J. Weissenbach, I. L. Simone, Amalia C. Bruni, Darius J. Adams, C. Weiller, A. Pietrangeli, F. Croria, C. Vigo-Pelfrey, Patricia Limousin, A. Ducros, G. Conti, O. Lindvall, E. Richter, M. Zuffi, A. Nappo, T. Riise, J. Wijdenes, M. J. Fernandez, J. Rosell, P. Vermersh, S. Servidei, M. S. C. Verdugo, F. Gouttiere, W. Solbach, M. Malbezin, I. S. Watanabe, A. Tumac, W. I. McDonald, D. A. Butterfield, P. P. Costa, F. deRino, F. Bamonti, J. M. Cesar, C. H. Lahoz, I. Mosely, M. Starck, M. H. Lemaitre, K. M. Stephan, S. Tex, R. Bokonjic, I. Mollee, L. Pastena, M. Gutierrez, F. Boiler, M. C. Martinez-Para, M. Velicogna, O. Obuz, A. Grinspan, M. Guarino, L. M. Cartier, E. Ruiz, D. Gambi, S. Messina, M. Villa, Michael G. Hanna, J. Valk, Leone Pascual, M. Clanet, Z. Argov, B. Ryniewicz, E. Magni, B. Berlanga, K. S. Wong, C. Gellera, C. Prevost, F. Gonzalez-Huix, R. Petraroli, J. E. G. Benedikz, I. Kojder, C. Bommelaer, L. Perusse, M. R. Bangioanni, Guy M. McKhann, A. Molina, C. Fresquet, E. Sindern, Florence Pasquier, M. J. Rosas, M. Altieri, O. Simoncini, M. Koutroumanidis, C. A. F. Tulleken, M. Dary-Auriol, S. Oueslati, H. Kruyer, I. Nishisho, C. R. Horning, A. Vital, G. V. Czettritz, J. Ph. Neau, B. Mihout, A. Ameri, M. Francis, S. Quasthoff, D. Taussig, S. Blunt, P. Valentin, C. Y. Gao, O. Heinzlef, H. d'Allens, C. Coudero, M. Erfas, G. Borghero, P. J. Modrego Pardo, M. C. Patrosso, N. L. Gershfeld, P. A. J. M. Boon, O. Sabouraud, M. Lara, J. Svennevig, G. L. Lenzi, A. Barrio, H. Villaroya, JosÇ M. Manubens, O. Boespflug-Tanguy, M. Carreras, D. A. Costiga, J. P. Breux, S. Lynn, C. Oliveras Ley, A. G. Herbaut, J. Nos, C. Tornali, Y. A. Hekster, J. L. Chopard, J. M. Manubens, P. Chemouilli, A. Jovicic, F. Dworzak, S. Smirne, S. E. Soudain, B. Gallano, D. Lubach, G. Masullo, G. Izquierdo, A. Pascual Leone Pascual, A. Sessa, V. Freitas, O. Crambes, L. Ouss, G. W. Van Dijk, P. Marchettini, P. Confalonieri, M. Donaghy, A. Munnich, M. Corbo, and M. E. L. van der Burg
Subjects: Neurology, business.industry, Media studies, Library science, Medicine, Neurology (clinical), business
Published: 1994
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75. Calculation of transition probabilities beyond the mean field approximation with angular momentum projection

Author: L. M. Robledo, J. L. Egido, and Yang Sun
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Total angular momentum quantum number, Quantum electrodynamics, Momentum transfer, Angular momentum of light, Angular momentum coupling, Rotational transition, Orbital angular momentum of light, Angular momentum operator
Abstract: We combine the use of Generator-Coordinate-Method-like wave function with the angular momentum projection techniques to generate many-body correlated wave functions that are at the same time eigenstates of the angular momentum operator. We apply this formalism to the calculation of reduced transition probabilities, B ( E 3), for two illustrative examples, namely, slightly-deformed and moderately well deformed nuclei. In the first case we obtain changes of 40% and in the second one of 30%. In our calculations we use the density dependent Gogny force.
Published: 1994
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76. High spin properties of the Er and Yb isotopes with the Gogny force

Author: L. M. Robledo and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Condensed matter physics, Isotope, Mean field theory, Nuclear Theory, Neutron, Moment of inertia, Spin-½, Intruder state
Abstract: The Gogny force has been used in a parameter free cranked mean field calculation to compute the most relevant properties of 166 Er and 166 Yb at high spin. Results for the moment of inertia and transition probabilities are in good agreement with experiment. The role of the neutron i 13 2 intruder state in the backbending phenomenon in this region has also been analyzed.
Published: 1994
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77. High spin shapes in 182Os with density dependent forces

Author: R.R. Chasman, L. M. Robledo, and J. L. Egido
Subjects: Maxima and minima, Physics, Nuclear and High Energy Physics, medicine.anatomical_structure, Particle number, Density dependent, Nuclear Theory, medicine, Zero-point energy, Atomic physics, Nucleus, Energy (signal processing), Spin-½
Abstract: The first shape-constrained high-spin Hartree-Fock-Bogoliubov calculations, using the density dependent Gogny interaction, have been carried out to investigate the energy minima in 182 Os. Deep, well separated minima have been found for shapes with axis ratios of 1.5:1 and 2.2:1. Corrections for rotational zero point energies and for particle number fluctuations are taken into account. Comparisons are made with cranked Strutinsky calculations for this nucleus.
Published: 1994
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78. Configuration mixing description of the nucleus44S

Author: Tomás R. Rodríguez and J. Luis Egido
Subjects: Physics, Nuclear and High Energy Physics, Nuclear Theory, Plane (geometry), Spectrum (functional analysis), Structure (category theory), FOS: Physical sciences, Nuclear Theory (nucl-th), Magic number (programming), Homogeneous space, Beta (velocity), Nuclear Experiment (nucl-ex), Atomic physics, Wave function, Nuclear Experiment, Mixing (physics)
Abstract: We study the structure of the neutron rich $^{44}$S isotope with modern configuration mixing methods based on the Gogny interaction including beyond-mean-field effects. Restoration of particle number and rotational symmetries are taken into account as well as shape mixing in the whole triaxial $(\beta_{2},\gamma)$ plane. We obtain a qualitative agreement between the calculated spectrum and the experimental data reported recently. Very extended collective wave functions in the $(\beta_2,\gamma)$ plane are found for the lowest states, corresponding to very flat potentials, indicating strong configuration mixing and supporting the weakening of the N=28 magic number., Comment: Corrected typo (level at 3248 keV)
Published: 2011
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79. Guidelines for the preventive treatment of ischaemic stroke and TIA (I). Update on risk factors and life style

Author: B, Fuentes, J, Gállego, A, Gil-Nuñez, A, Morales, F, Purroy, J, Roquer, T, Segura, J, Tejada, A, Lago, E, Díez-Tejedor, M, Alonso de Leciñana, J, Alvarez-Sabin, J, Arenillas, S, Calleja, I, Casado, M, Castellanos, J, Castillo, A, Dávalos, F, Díaz-Otero, J A, Egido, J C, López-Fernández, M, Freijo, A, García Pastor, F, Gilo, P, Irimia, J, Maestre, J, Masjuan, J, Martí-Fábregas, P, Martínez-Sánchez, E, Martínez-Vila, C, Molina, F, Nombela, M, Ribó, M, Rodríguez-Yañez, F, Rubio, J, Serena, P, Simal, J, Vivancos, and Francisco, Rubio
Subjects: Stroke, Evidence-Based Medicine, Ischemic Attack, Transient, Risk Factors, Spain, Humans, Life Style, Brain Ischemia
Abstract: To update the ad hoc Committee of the Cerebrovascular Diseases Study Group of The Spanish Neurological Society guidelines on prevention of ischaemic stroke (IS) and transient ischaemic attack (TIA).We reviewed available evidence on risk factors and means of modifying them to prevent ischaemic stroke and TIA. Levels of evidence and recommendation grades are based on the classification of the Centre for Evidence-Based Medicine.This first section summarises the recommendations for action on the following factors: blood pressure, diabetes, lipids, tobacco and alcohol consumption, diet and physical activity, cardio-embolic diseases, asymptomatic carotid stenosis, hormone replacement therapy and contraceptives, hyperhomocysteinemia, prothrombotic states and sleep apnea syndrome.Changes in lifestyle and pharmacological treatment for hypertension, diabetes mellitus and dyslipidemia, according to criteria of primary and secondary prevention, are recommended for preventing ischemic stroke.
Published: 2011

80. Evidence for reduced collectivity around the neutron mid-shell in the stable even-mass Sn isotopes from new lifetime measurements

Author: Andrew Stuchbery, V. Modamio, W. Prokopowicz, P. Maier-Komor, R. Gernhäuser, K.-H. Speidel, I. Kojouharov, Norbert Pietralla, J. Leske, Joakim Cederkäll, H. J. Wollersheim, Michael East, P. Doornenbal, J. Gerl, H. Schaffner, N. Goel, Andreas Ekström, F. Naqvi, M. Górska, S. Pietri, J. Walker, Ronald Schwengner, A. Jungclaus, J. L. Egido, and P. Boutachkov
Subjects: Physics, Nuclear and High Energy Physics, Isotope, level lifeftimes, Attenuation, Fermi level, Shell (structure), Lifetimes, Nuclear physics, symbols.namesake, Doppler shift attenuation technique, gamma-ray spectroscopy, Excited state, symbols, Neutron, Nuclear structure, Atomic physics, Sn isotopes, Doppler effect
Abstract: Precise measurements of the lifetimes of the first excited 2+ states in the stable even-A Sn isotopes 112-124Sn have been performed using the Doppler shift attenuation technique. For the isotopes 112Sn, 114Sn and 116Sn the E2 transition strengths deduced from the measured lifetimes are in disagreement with the previously reported values and indicate a shallow minimum at N=66. The observed deviation from a maximum at mid-shell is attributed to the obstructive effect of the s1/2 neutron orbital in generating collectivity when near the Fermi level. © 2010 Elsevier B.V., Financial support from the Spanish Ministerio de Ciencia e Innovaci on under contracts FPA2007-66069, FPA2009-13377-C02-01 and FPA2009-13377-C02-02, the Spanish Consolider-Ingenio 2010 Programme CPAN (CSD2007-00042) and the Australian Re- search Council Discovery Scheme, grant no. DP0773273
Published: 2011

81. New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique

Author: Michael East, H. J. Wollersheim, Andrew Stuchbery, V. Modamio, J. Walker, N. Goel, Joakim Cederkäll, Ronald Schwengner, F. Naqvi, P. Boutachkov, S. Pietri, A. Jungclaus, R. Gernhäuser, J. L. Egido, P. Maier-Komor, Andreas Ekström, I. Kojouharov, J. Leske, H. Schaffner, P. Doornenbal, W. Prokopowicz, K.-H. Speidel, J. Gerl, Norbert Pietralla, and M. Górska
Subjects: History, Range (particle radiation), Isotope, Attenuation, SHELL model, chemistry.chemical_element, Computer Science Applications, Education, ddc, symbols.namesake, chemistry, Excited state, Picosecond, symbols, Atomic physics, Tin, Doppler effect
Abstract: Precise measurements of lifetimes in the picosecond range of excited states in the stable even-A Sn isotopes 112;114;116;122 Sn have been performed using the Doppler shift attenuation technique. For the rst excited 2 + states in 112 Sn, 114 Sn and 116 Sn the E2 transition strengths deduced from the measured lifetimes are in disagreement with the previously adopted values. They indicate a shallow minimum at N = 66 in contrast to the maximum at mid-shell predicted by modern shell model calculations., Financial support from the Spanish Ministerio de Ciencia e Innovaci on under contracts FPA2007-66069 and FPA2009-13377-C02-02, and the Australian Research Council Discovery Scheme, grant no. DP0773273.
Published: 2011

82. On the calculation of transition probabilities with correlated angular-momentum-projected wave functions and realistic forces

Author: Yang Sun, L. M. Robledo, and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Light nucleus, symbols.namesake, Angular momentum, Gaussian, Nuclear Theory, symbols, GCM transcription factors, Statistical physics, Wave function, Generator (mathematics)
Abstract: In this paper we propose the use of angular-momentum-projected generator coordinator method (GCM) wave functions for the evaluation of transition probabilities in heavy nuclei. We derive the relevant equations and discuss ways to cope with the technical difficulties which appear in the application of the theory. We show the feasibility of the method by applying it to the calculation of B(E3) transition probabilities in light nuclei within the GCM, in the gaussian overlap approximation (GOA). In the calculations we use the density-dependent Gogny force. The theoretical projected results are in much better agreement with experiment than the unprojected ones.
Published: 1993
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83. High-spin states in heavy nuclei with the density dependent Gogny force

Author: J. L. Egido and L. M. Robledo
Subjects: Physics, Nuclear physics, Spin states, Condensed matter physics, Density dependent, General Physics and Astronomy
Published: 1993
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84. High spin calculations with the Gogny force

Author: L. M. Robledo and J. L. Egido
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, medicine.anatomical_structure, Condensed matter physics, Spins, Nuclear Theory, medicine, Neutron, Nuclear Experiment, Spin (physics), Nucleus
Abstract: In this paper we report the first Self-consistent Cranked calculations at high spins carried out with the Gogny interaction. Some technical details about the computational procedure are given. High spin results for the neutron deficient 80 Sr nucleus are presented and discussed.
Published: 1993
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85. Number projected statistics and the pairing correlations at high excitation energies

Author: C. Esebbag and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Phase transition, Quantum mechanics, Pairing, Statistics, Degenerate energy levels, Statistical fluctuations, Quantum, Excitation
Abstract: We analyze the use of particle-number projected statistics (PNPS) as an effective way to include the quantum and statistical fluctuations, associated with the pairing degree of freedom, left out in finite-temperature mean-field theories. As a numerical application the exact-soluble degenerate model is worked out. In particular, we find that the sharp temperature-induced superfluid-normal phase transition, predicted in the mean-field approximations, is washed out in the PNPS. Some approximations as well as the Landau prescription to include statistical fluctuations are also discussed. We find that the Landau prescription provides a reasonable approximation to the PNPS.
Published: 1993
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86. The decay of hot nuclei

Author: Peter Ring and J. L. Egido
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Angular momentum, Photon, Fission, Cascade, Giant resonance, Quasiparticle, Thermal fluctuations, Nuclear fusion
Abstract: The authors review the decay modes of nuclear compound states formed after heavy-ion fusion reactions. Temperature-dependent mean-field theory is used as a basis for a statistical description of the hot nuclear system. After a short resume of traditional cascade calculations for the emission of light particles, statistical gamma -rays and the fission process, much emphasis is put on the discussion of recent work on the giant resonance decay. It allows a detailed investigation of these collective excitations and their damping mechanisms both as a function of temperature and angular momentum. Temperature-dependent linear response theory in connection with a classical treatment of thermal fluctuations provide a relatively simple framework for a microscopic description not only of these collective transitions but also for the first microscopic calculations of the statistical gamma -decay properties.
Published: 1993
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87. Triaxial angular momentum projection and configuration mixing calculations with the Gogny force

Author: Tomás R. Rodríguez and J. Luis Egido
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, Nuclear Theory, Generator (category theory), Plane (geometry), FOS: Physical sciences, Symmetry (physics), Nuclear Theory (nucl-th), Projection (relational algebra), Excited state, Quantum mechanics, Atomic physics, Wave function, Mixing (physics)
Abstract: We present the first implementation in the $(\beta,\gamma)$ plane of the generator coordinate method with full triaxial angular momentum and particle number projected wave functions using the Gogny force. Technical details about the performance of the method and the convergence of the results both in the symmetry restoration and the configuration mixing parts are discussed in detail. We apply the method to the study of $^{24}$Mg, the calculated energies of excited states as well as the transition probabilities are compared to the available experimental data showing a good overall agreement. In addition, we present the RVAMPIR approach which provides a good description of the ground and gamma bands in the absence of strong mixing., Comment: 40 pages,14 figures
Published: 2010
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88. Eléments de bibliographie

Author: J. Puente Egido
Published: 2010
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89. States, peoples and minorities as subjects of international law

Author: J. Puente Egido
Subjects: Political science, Law, International law
Published: 2010
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90. Peoples and minorities in international law

Author: J. Puente Egido
Subjects: Law, Political science, International law
Published: 2010
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91. Le délit politique

Author: J. Puente Egido
Published: 2010
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92. A systematic study of the octupole correlations in the lanthanides with realistic forces

Author: L. M. Robledo and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, Dipole, Mean field theory, Quantum electrodynamics, Flatness (systems theory), Nuclear Theory, Zero-point energy, Ground state, Adiabatic process, Potential energy, Energy (signal processing)
Abstract: We have performed a systematic study of the octupole degree of freedom in the nuclei 140 Ba, 142–150 Ce, 144–152 Nd and 146–154 Sm. The static properties (ground state deformations, energy gaps, dipole moments, etc.) have been analyzed within the Hartree-Fock plus BCS approximation (HFBCS); for the dynamical ones (energy splittings, transition probabilities, etc.) the adiabatic time-dependent Hartree-Fock plus zero point energy in the cranking approximation (ATDHF+ZPE) has been applied. In both approximations the realistic density-dependent Gogny force has been used. In our parameter-free calculations we are able to describe very well the whole experimental systematic of energy splittings and B (E1), among others. The flatness of the potential energy of some nuclei makes the mean field approach unreliable for such nuclei.
Published: 1992
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93. The sizing of stand alone PV-system: A review and a proposed new method

Author: EDUARDO LORENZO PIGUEIRAS, J. Luis Egido, and MIGUEL ANGEL EGIDO AGUILERA
Subjects: Mathematical optimization, Renewable Energy, Sustainability and the Environment, Computer science, Analytic model, Photovoltaic system, Numerical models, Sizing, Reliability (statistics), Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials
Abstract: The reliability of stand alone photovoltaic systems is analyzed in terms of the loss of load probability, LLP. A variety of numerical and analytic models for calculating the LLP are described and evaluated using data for three Spanish locations. Madrid, Murcia and Santander, selected because they represent different climatic conditions. It is concluded that numerical models are accurate but complex to use, while analytic models exhibit significant lack of accuracy. A new analytic model, as accurate as the numerical models and as simple as analytic models, is proposed. For each location, the model requires as input 4 different coefficients.
Published: 1992
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94. Shape Coexistence Near Neutron NumberN=20: First Identification of theE0Decay from the Deformed First ExcitedJπ=0+State inMg30

Author: T. Kröll, Peter Ring, Ulli Köster, H. Hübel, Tomás R. Rodríguez, Henryk Mach, W. Schwerdtfeger, L. M. Fraile, T. Morgan, R. Krücken, J. L. Egido, Kathrin Wimmer, R. Lutter, V. Bildstein, Dietrich Habs, Roman Gernhäuser, Kristiaan Heyde, Ralf Hertenberger, P. Hoff, and P. G. Thirolf
Subjects: Physics, Island of inversion, Neutron number, Excited state, Hadron, Quadrupole, General Physics and Astronomy, Neutron, Atomic physics, Ground state, Nucleon
Abstract: The 1789 keV state in {sup 30}Mg was identified as the first excited 0{sup +} state via its electric monopole (E0) transition to the ground state. The measured small value of rho{sup 2}(E0,0{sub 2}{sup +}->0{sub 1}{sup +})=(26.2+-7.5)x10{sup -3} implies within a two-level model a small mixing of competing configurations with largely different intrinsic quadrupole deformation near the neutron shell closure at N=20. Axially symmetric configuration mixing calculations identify the ground state of {sup 30}Mg to be based on neutron configurations below the N=20 shell closure, while the excited 0{sup +} state mainly consists of two neutrons excited into the nu 1f{sub 7/2} orbital. The experimental result represents the first case where an E0 back decay from a strongly deformed second to the normal deformed first nuclear potential minimum well has been unambiguously identified, thus directly proving shape coexistence at the borderline of the much-debated 'island of inversion.'
Published: 2009
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95. [Incidence of strokes in Spain: the Iberictus study. Data from the pilot study]

Author: J, Díaz-Guzmán, J A, Egido-Herrero, B, Fuentes, C, Fernández-Pérez, R, Gabriel-Sánchez, G, Barberà, and S, Abilleira
Subjects: Adult, Aged, 80 and over, Male, Observer Variation, Quality Control, Data Collection, Incidence, Age Factors, Pilot Projects, Middle Aged, Stroke, Spain, Acute Disease, Humans, Female, Prospective Studies, Registries, Aged
Abstract: In a population-based study of the incidence of stroke conducted on a broad denominator, it is wise first to carry out a pilot study.To present the results of the pilot phase of the study on stroke incidence in Spain, entitled Iberictus.Population of the study: all cases involving the first episode of acute cerebrovascular disease (stroke or transient ischaemic attack) diagnosed among residents over 17 years of age with their habitual place of abode registered in the areas of study between 15th and 31st October 2005 (total denominator: 1,440,997 inhabitants).prospective, hospital records (basic minimum data set, discharge abstracts) and casualty department registers. Standardised definitions: diagnostic categorisation and pathological, topographical and aetiological classification. Inter-observer agreement analysis among researchers (kappa).A total of 128 cases were identified. Age range, 37-103 years; mean age, 75.7 +/- 13.4 years; 54% were females. In all, 71.1% of the cases were collected by means of a basic minimum data set. There were 91 ischaemic events (29.7% atherothrombotic and 29.7% cardioembolic). Of the 15 haemorrhagic strokes, 40% due to arterial hypertension, six were lobar hemispheric, six were deep basal ganglia, and there were three cerebellar haemorrhages. The incidence of stroke was seen to increase exponentially with age. Inter-observer agreement was good for the classifications that were employed (range of kappa indices, 0.57-0.78). Several problems were detected and corrected in the fieldwork.The Iberictus pilot study yielded data that were consistent with the literature and provided us with the opportunity to detect and correct issues that would hinder us from conducting the main study.
Published: 2009

96. Rotational damping motion in nuclei

Author: J. L. Egido and Amand Faessler
Subjects: Physics, Nuclear and High Energy Physics, Classical mechanics, Quantum mechanics, Rotation around a fixed axis, Nuclear fusion, Motion (geometry), Limit (mathematics), Omega, Energy (signal processing), Excitation
Abstract: The recently proposed model to explain the mechanism of the rotational motion damping in nuclei is exactly solved. When compared with the earlier approximative solution, we find significative differences in the low excitation energy limit (i.e. $$\Gamma _\mu<< 2\Delta \omega _0 $$ ). For the strength functions we find distributions going from the Wigner semicircle through gaussians to Breit-Wigner shapes.
Published: 1991
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97. Parity-projected calculations on octupole deformed nuclei

Author: L. M. Robledo and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, chemistry, Mean field theory, Isotope, Stochastic matrix, chemistry.chemical_element, Barium, Parity (physics), Physics::Atomic Physics, Atomic physics
Abstract: A microscopic parity-projected calculation, using as intrinsic states the ones obtained in the mean field approach with the Gogny interaction and constraining the octupole moment is carried out for several nuclei in the barium and radium isotope chains. Projected mean values and transition matrix elements are obtained for both, parities as well as for the 0 + -1 − splittings. These quantities are compared to previous results obtained in collective calculations. The differences are discussed and conclusions about the importance of the correlations associated to the projection are extracted.
Published: 1991
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98. Nuclear halos and drip lines in symmetry-conserving continuum Hartree-Fock-Bogoliubov theory

Author: Nicolas Schunck and J. L. Egido
Subjects: Physics, Nuclear and High Energy Physics, media_common.quotation_subject, Nuclear Theory, Hartree–Fock method, Asymmetry, Projection (linear algebra), Mean field theory, Pairing, Quantum electrodynamics, Neutron, Halo, Nuclear drip line, Nuclear Experiment, media_common
Abstract: We review the properties of nuclear halos and nuclear skins in drip line nuclei in the framework of the spherical Hartree-Fock-Bogoliubov (HFB) theory with continuum effects and projection on a good particle number with the Gogny force. We first establish the position of the unprojected HFB drip lines for the two most employed parametrizations of the Gogny force and show that the use of finite-range interactions leads almost always to small-sized halos, even in the least bound nuclei, which is in agreement with most mean-field predictions. We also discuss the size of the neutron skin at the drip line and its relation to neutron asymmetry. The impact of particle-number projection and its conceptual consequences near the drip line are analyzed in detail. In particular, we discuss the role of chemical potential in a projected theory and the criteria required to define the drip line. We show that including particle-number projection can shift the latter, in particular near closed shells. We notice that, as a result, the size of the halo can be increased due to larger pairing correlations. However, combining the most realistic pairing interaction, a proper treatment of the continuum, and particle-number projection does not permit us to reproducemore » the very large halos observed in very light nuclei.« less
Published: 2008
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99. Study of shape transitions in $N\sim90$ isotopes with beyond mean field calculations

Author: Tomás R. Rodríguez, J. L. Egido, Jan Jolie, Andreas Zilges, Nigel Warr, and Andrey Blazhev
Subjects: Physics, Phase transition, Hamiltonian model, Isotope, Nuclear Theory, FOS: Physical sciences, Bohr model, Nuclear Theory (nucl-th), symbols.namesake, Mean field theory, Quantum mechanics, symbols, Hamiltonian (quantum mechanics)
Abstract: We study the spherical to prolate-deformed shape transition in $^{144-158}$Sm and $^{146-160}$Gd isotopes with modern calculations beyond the mean field with the Gogny D1S force. We compare the results with the shape-phase transition predicted by the collective hamiltonian model and with the experimental data. Our calculations do not support the existence of a first order phase transition in these isotopic chains in the viewpoint of the Bohr hamiltonian neither the interpretation of the nuclei N=90 as critical points., Proceeding of the XIII Conference on Capture Gamma-ray Spectroscopy and Related Topics, Cologne, 2008
Published: 2008

100. Shape coexistence near neutron number N=20: first identification of the E0 decay from the deformed first excited Jpi=0+ state in 30Mg

Author: W, Schwerdtfeger, P G, Thirolf, K, Wimmer, D, Habs, H, Mach, T R, Rodriguez, V, Bildstein, J L, Egido, L M, Fraile, R, Gernhäuser, R, Hertenberger, K, Heyde, P, Hoff, H, Hübel, U, Köster, T, Kröll, R, Krücken, R, Lutter, T, Morgan, and P, Ring
Abstract: The 1789 keV state in 30Mg was identified as the first excited 0+ state via its electric monopole (E0) transition to the ground state. The measured small value of rho2(E0,0(2)+--0(1)+)=(26.2+/-7.5)x10(-3) implies within a two-level model a small mixing of competing configurations with largely different intrinsic quadrupole deformation near the neutron shell closure at N=20. Axially symmetric configuration mixing calculations identify the ground state of 30Mg to be based on neutron configurations below the N=20 shell closure, while the excited 0+ state mainly consists of two neutrons excited into the nu 1f7/2 orbital. The experimental result represents the first case where an E0 back decay from a strongly deformed second to the normal deformed first nuclear potential minimum well has been unambiguously identified, thus directly proving shape coexistence at the borderline of the much-debated "island of inversion."
Published: 2008

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