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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-12Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy in the arrival directions of cosmic rays above the Greisen-Zatsepin-Kuz'min energy threshold, 6 x 10(19) eV. The anisotropy was measured by the [...]texto impreso
Yélamos, Belén ; Núñez, Elena ; Gómez-Gutiérrez, Julián ; Delgado, Carmen ; Pacheco, Beatriz ; Peterson, Darrell L. ; Gavilanes, Francisco | Elsevier Science BV | 2001-03-09Circular dichroism and fluorescence spectroscopy have been employed to study the urea unfolding mechanism of a recombinant form of the major core protein of feline immunodeficiency virus (FIV-rp24) and its native tryptophan mutants. The equilibr[...]texto impreso
Piquero Sanz, Gemma María ; Borghi, Riccardo ; Santarsiero, Massimo | Elsevier Science BV | 2001-07-15From a recently proposed technique, used to determine the modal weights of beams made up of incoherent superpositions of Hermite-Gaussian (PIG) modes, we derive the analytical expression of a family of functions which are biorthogonal to the squ[...]texto impreso
A new family of test statistics based on Rényi's divergence is introduced for the hypothesis that the coefficients of variation of k normal populations are equal. A comparative simulation study is carried out concerning the size and power of the[...]texto impreso
The empirical identification of bound states of gluons has remained a central goal of hadron spectroscopy. We suggest an experimentally challenging, but model-independent way to assess which zero charge, isospin-zero mesons have a large gluonium[...]texto impreso
Noncommutative IR singularities and UV/IR mixing in relation with the Goldstone theorem for complex scalar field theory are investigated. The classical model has two coupling constants, lambda(1) and lambda(2), associated to the two noncommutati[...]texto impreso
The infrared behaviour of vertex functions in an SU(N) Yang Mills theory in Landau gauge is investigated employing a skeleton expansion of the Dyson-Schwinger equations. The three- and four-gluon vertices become singular if and only if all exter[...]texto impreso
González Herrera, Elvira María ; Anguita, J. V. ; Villegas, J. E. ; Vicent López, José Luis | Elsevier Science BV | 2003-05Ordered arrays of submicrometric Ni lines have been fabricated in sputtered Nb films. Magnetotransport R(H) and (I, V) curves were measured close to the critical temperature using a cross-shape bridge that allows us to apply current in two direc[...]texto impreso
Godino Gómez, María Paz ; Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Elsevier Science BV | 2006-09-29The mass flux originated when two methanol-water solutions of different methanol concentration are separated by a Nation 117 membrane in acid (H+) and different alkali metal forms (Li+, Na+, K+, Rb+, Cs+) have been measured, as a function of the[...]texto impreso
Godino Gómez, María Paz ; Peña, Luis ; Mengual Cabezón, Juan Ignacio ; Rincón, C. | Elsevier Science BV | 1997-02The possibility of obtaining pure water by membrane distillation, from brines rejected in other water production operations has been considered. Membrane distillation experiments have been carried out by using two PTFE porous hydrophobic membran[...]texto impreso
Llanes Estrada, Felipe José ; Guo, F.-K ; Hanhart, C ; Meißner, U.-G | Elsevier Science BV | 2011-09-20Hadron masses show a specific dependence on the quark masses. Therefore, the variation of these masses can cause a resonance in a hadronic scattering amplitude to become a bound state. Consequently, the amplitude exhibits a non analytic behavior[...]texto impreso
Salcedo Sanz, S. ; García Herrera, R. ; Aybar Ruíz, A. ; Camacho Gómez, C. ; Alexandre, E. | Elsevier Science BV | 2018-10-15In this paper we deal with a problem of representative measuring points selection for long-term wind power analysis. It has direct applications such as wind farm prospective location or long-term power generation prediction in wind-based energy [...]texto impreso
Polyethersulfone (PES) hollow fiber membranes were prepared by both wet spinning technique, without gas-gap, and dry/wet spinning technique under different gas-gaps, namely, air, oxygen, nitrogen, carbon dioxide, argon and humid air. All spinnin[...]