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Elsevier Science BV |
Documentos disponibles de esta editorial (389)
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The so called Li&Ma formula is still the most frequently used method for estimating the significance of observations carried out by Imaging Atmospheric Cherenkov Telescopes. In this work a straightforward extension of the method for point source[...]![]()
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In the same way as 'comprehensive fuzziness' deals with o-fields of labels, 'extensive fuzziness' deals with objects. In this paper, the concept of 'extensive mapping' is defined in order to justify the notion of 'measurable fuzzy function'. Thi[...]![]()
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Paris, J.L. ; Lafuente-Gómez, Nuria ; Cabañas Criado, Victoria ; Román, Jesús ; Peña, Juan ; Vallet Regí, María | Elsevier Science BV | 2019-03-013D porous scaffolds based on agarose and nanocrystalline apatite, two structural components that act as a temporary mineralized extracellular matrix, were prepared by the GELPOR3D method. This shaping technology allows the introduction of therma[...]![]()
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Membrane distillation (MD) has a great potential as a concentration process for temperature labile liquids such as fruit juices, etc. Besides water, also aroma compounds will permeate through the membrane depending on their volatility and how th[...]![]()
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Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nieto, Daniel | Elsevier Science BV | 2008-09-11Until April 2007 the Major Atmospheric Gamma ray Imaging Cherenkov (MAGIC) telescope used a 300 MSamples/s flash analog-to-digital converter (FADC) system to sample the shaped photomultiplier tube (PMT) signals produced by the captured Cherenkov[...]![]()
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It is shown that thermo-field dynamics permits the extension of the path integral methods used to solve the Thirring model at zero temperature to the finite temperature case. A family of exact solutions for the propagator and their dependence wi[...]![]()
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Piquero Sanz, Gemma María ; Borghi, Riccardo ; Mondello, A. ; Santarsiero, Massimo | Elsevier Science BV | 2001-08-15We analyze the polarization features of the beam, generated by a class of partially polarized quasi-homogeneous sources, which propagates through a polarization grating. Analytical expressions in the far zone for the beam coherence polarization [...]![]()
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This paper presents a fibre-optic sensor to measure weight in motion based on a multiple fibre-optic interferometer. The differential phase between the arms of the interferometer produced by the pressure is compensated by a feedback system, thus[...]![]()
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Ballesteros, H. G. ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio | Elsevier Science BV | 1996-10-10We study the critical properties of three-dimensional O(N) models, for N = 2,3,4. Parameterizing the leading correctionsto-scaling for the r] exponent, we obtain a reliable infinite volume extrapolation, incompatible with previous Monte Carlo va[...]![]()
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Ballesteros, H.G. ; Fernández Pérez, Luis Antonio ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; Parisi, G. ; Ruiz-Lorenzo, J. J. | Elsevier Science BV | 1998-04We study the four dimensional site-diluted Ising model using finite-size scaling techniques. We explore the whole parameter space (density-coupling) in order to determine the Universality Class of the transition line. Our data are compatible wit[...]![]()
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Llanes Estrada, Felipe José ; Gómez Nicola, Ángel ; Peláez Sagredo, José Ramón | Elsevier Science BV | 2002-12-12We present the pion-pion elastic scattering amplitude at finite temperature to one-loop in chiral perturbation theory. The thermal scattering amplitude properly defined allows to generalize the perturbative unitarity relation to the T 0 0 case. [...]![]()
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Llanes Estrada, Felipe José ; Gómez Nicola, Ángel ; Peláez Sagredo, José Ramón | Elsevier Science BV | 2005-01-27We discuss the thermal behaviour of the pion vector form factors and calculate them in one-loop chiral perturbation theory. The perturbative result is used to analyze the T dependent electromagnetic pion charge radius, obtaining a rough estimat[...]![]()
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Izquierdo Gil, María Amparo ; Fernández Pineda, Cristóbal ; Lorenz, M. G. | Elsevier Science BV | 2008-08-15Direct contact membrane distillation (DCMD) experiments using distilled water are reported. Influence on the process of feed and permeate flow rates through the cell has been investigated in a wide flow range, from 2 to 8l/min. Two main effects [...]![]()
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Llanes Estrada, Felipe José ; Peláez Sagredo, José Ramón ; Ruiz de Elvira, Jacobo | Elsevier Science BV | 2010-10We examine the leading-N(c) behavior of the masses and transition matrix elements of some low-lying, few particle configurations in QCD. A truncation of the Fock space produces an effective, symmetric Hamiltonian that we diagonalize. The lowest [...]![]()
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TThe existence and properties of the sigma meson have been controversial for almost six decades, despite playing a central role in the spontaneous chiral symmetry of QCD or in the nucleonnucleon attraction. This controversy has also been fed by [...]