Browsing DFis-Artículos, capítulos, libros... by Title

Now showing items 29-48 of 135

    • Data on Stark Broadening of Sn II Spectral Lines 

      Dimitrijevic, Milan S.; Christova, Magdalena D.; Yubero, Cristina; Sahal-Bréchot, Sylvie (MDPI, 2025)
      Data on spectral line widths and shifts broadened by interactions with charged particles, for 44 lines in the spectrum of ionized tin, for collisions with electrons and H II and HeII ions, are presented as online available ...

    • Design of multivariable PID control using iterative linear programming and decoupling 

      Garrido, J.; Garrido-Jurado, Sergio; Vázquez, Francisco; Arrieta, Orlando (MDPI, 2024)
      The design of multivariable process control systems is specially complicated when there are strong interactions between the different control loops, and even more with multiple time delays. This paper proposes an iterative ...

    • Determinación de la constante de Hubble mediante observaciones del Universo Local 

      Serrano González, Borja; Cuesta, A.J.; Ortiz Mora, Antonio (Real Sociedad Española de Física, 2020-04)
      En este trabajo se ofrece el resultado de una determinación directa de la constante de Hubble H0 a partir de observaciones del Universo Local. Para ello hemos usado la técnica de la escalera cósmica de distancias siguiendo ...

    • Determination of Physicochemical Water Quality of the Ghis-Nekor Aquifer (Al Hoceima, Morocco) Using Hydrochemistry, Multiple Isotopic Tracers, and the Geographical Information System (GIS) 

      Nouayti, Nordine; Cherif, El Khalil; Algarra, Manuel; Pola, Ma Luisa; Fernández, Sara; Nouayti, Abderrahim; Esteves da Silva, Joaquim C. G.; Driss, Khattach; Samlani, Nouha; Mohamed, Hilali; Azzirgue, El Mustapha; Krawczyk, Dorota Anna; Rodero Serrano, Antonio (MDPI Academic Editor: Dimitrios E. Alexakis, 2022-02-22)
      The chemical characterization of the Ghis-Nekor groundwater has become a concern of many researchers in Morocco. It is a crucial indicator for the environment situation and the socioeconomic development of this Moroccan ...

    • Diffusion Monte Carlo calculation of fully heavy pentaquarks 

      Gordillo, María del Carmen; Segovia, J.; Alcaraz Pelegrina, José Manuel (American Physical Society, 2024)
      Using a diffusion Monte Carlo algorithm, we calculated the spectra of all possible S-wave fully heavy pentaquarks within the framework of the quark model. Our aim was to compare the masses of different spin-color ...

    • Diffusion Monte Carlo calculations of fully heavy compact hexaquarks 

      Alcaraz Pelegrina, José Manuel; Gordillo, María del Carmen (American Physical Society, 2022)
      We used a diffusion Monte Carlo technique to describe the properties of fully heavy compact arrangements (no dibaryon molecules) including six quarks and no antiquarks within the framework of a constituent quark model. ...

    • Diffusion Monte Carlo description of Cs2–(4He)N clusters: an example of weak dopant–helium interaction 

      López Durán, David; Pérez de Tudela, Ricardo; Rodríguez Cantano, Rocío; González Lezana, Tomás; de Lara Castells, María Pilar; Delgado Barrio, Gerardo; Villarreal Herrán, Pablo (Institute of Physics, 2011)
      In this paper, we study the energy and geometric properties of Cs2–(4He)N clusters, 2 <= N <= 20, N even, through a diffusion Monte Carlo methodology. Considering the results for doped clusters in which the He–impurity ...

    • Effects of size on the spectrum and stability of a confined on-center Hydrogen atom 

      Morcillo Arencibia, Milagros Francisca; Sarsa, A.; Alcaraz Pelegrina, José Manuel (IOP Publishing, 2022)
      In this work we studied the problem of the stability of confined atoms when they are released from confinement. We analyzed the confined Hydrogen atom inside a cage modelled by a square-well potential, in particular the ...

    • Efficiency of a solar collector system for the public building depending on its location 

      Krawczyk, Dorota Anna; Żukowski, Mirosław; Rodero Serrano, Antonio (Springer, 2019)
      Due to a technologic progress, a growth in the renewable energy markets including a high number of manufactures coming to being, the Renewable Energy Sources (RES) are both a tool for mitigating climate changes and investments ...

    • Electrostatic gyrokinetic simulations in Wendelstein 7-X geometry: benchmark between the codes stella and GENE 

      González-Jerez, A.; Xanthopoulos, P.; García-Regaña, J.M.; Calvo, I.; Alcusón, J.A.; Bañon Navarro, A.; Barnes, M.; Parra, F.I.; Geiger, J. (2022)
      The first experimental campaigns have proven that, due to the optimization of the magnetic configuration with respect to neoclassical transport, the contribution of turbulence is essential to understand and predict the ...

    • Energies and density distributions of (4He)N clusters doped with Br2(X): a Hartree-like approach. 

      de Lara Castells, María Pilar; López Durán, David; Delgado Barrio, Gerardo; Villarreal Herrán, Pablo; Di Paola, Cono; Gianturco, Franco Antonio; Jellinek, Julius (American Physical Society, 2005)
      Energies and density distributions of the helium atoms in Br2sXd - s4HedN clusters are calculated using a quantum “Hartree-like” approach in which the dopant molecule and the 4He atoms play the role of the nuclei and ...

    • Estudio de residuos sólidos urbanos para la optimización de flujos de materia: valorización y compostaje 

      Muñoz Serrano, Encarnación; Gutiérrez Martín, María del Carmen; Chica Pérez, Arturo F.; Siles López, José Ángel; Martín Santos, María Ángeles; Salinas, María; Martínez-Alvarenga, H. (Red Española de Compostaje, 2024)
      El desarrollo de estrategias y herramientas de gestión eficiente de residuos urbanos es uno de los mayores retos a los que se enfrentan las sociedades modernas. El presente trabajo se centra en establecer las bases de ...

    • Estudio del impacto de un cuestionario de autoevaluación online para el tratamiento de errores experimentales 

      Calzada Canalejo, María Dolores; Cuesta, A.J.; Díaz Soriano, Antonio Manuel; González Gago, Cristina; Muñoz Espadero, José; Muñoz Serrano, Encarnación; Ortiz Mora, Antonio; Rincón, Rocío; Yubero, Cristina (UCOPress, 2019)
      La correcta comprensión del origen de las incertidumbres experimentales, así como su tratamiento matemático, resulta fundamental en la formación de cualquier científico, pues permite determinar la precisión de los resultados ...

    • Ethanol-derived graphene by microwave plasma torch as efficient cathode for Li-S batteries with ultralong cycle life 

      Blázquez-Moreno, Jesús M.; Morales Calero, Francisco Javier; Cobos-Luque, A.; Raya, A.M.; Rincón, Rocío; Benítez, Almudena; Caballero, Álvaro (Elsevier, 2025)
      High-quality graphene derived from ethanol (EdG) using an atmospheric pressure plasma torch has been used for the first time as a sulfur host for lithium-sulfur (Li-S) battery cathodes. Its excellent structural, morphological, ...

    • Evaluación y mitigación del impacto oloroso en la gestión de residuos urbanos: contenedores inteligentes 

      Martín Santos, María Ángeles; Salinas, María; Martínez-Alvarenga, H.; Muñoz Serrano, Encarnación; Gutiérrez Martín, María del Carmen; Tavares, Fabiano; Chica Pérez, Arturo F.; Siles López, José Ángel (2024)
      La contaminación atmosférica urbana es uno de los problemas más graves de contaminación a nivel mundial (IPCC, 2013). La ley 7/2022 establece la necesidad de adoptar medidas para la protección de la salud humana y medio ...

    • Evidence for baryon acoustic oscillations from galaxy–ellipticity correlations 

      Xu, Kun; Jing, Y.P.; Zhao, Gong-Bo; Cuesta, A.J. (Springer, 2023)
      The Baryon Acoustic Oscillations (BAO) feature in the clustering of galaxies or quasars provides a "standard ruler" for distance measurements in cosmology. In this work, we report a 2∼3σ signal of the BAO dip feature in ...

    • Exact stark analytical function for Hα line based on the FFM model related with plasma parameters 

      Sarsa, A.; Jiménez-Solano, Alberto; Dimitrijevic, Milan S.; Yubero, Cristina (Elsevier, 2024)
      Optical Emission Spectroscopy is a widely used technique for plasma diagnosis, with particular interest in hydrogen atomic emission due to its prevalence in plasmas. However, accurately determining plasma parameters like ...

    • Exclusion Principle Repulsion Effects on the Covalent Bond Beyond the Born-Oppenheimer Approximation 

      Sarsa, A.; Alcaraz Pelegrina, José Manuel; Le Sech, C. (Royal Society of Chemistry, 2019)
      The changes in the covalent bond of the hydrogen molecule limited in the space by a spherical hard boundary are studied. The sphere is moved along an axis parallel or orthogonal to the molecular axis. The diffusion Monte ...

    • Experimental characterization of TIAGO torch discharges: surface wave discharge behavior and (post-)discharge kinetics 

      Morales Calero, Francisco Javier; Rincón, Rocío; Muñoz, José; Calzada Canalejo, María Dolores (IOP Publishing, 2023)
      The Torche à Injection Axial sur Guide d'Ondes source—better-known as the TIAGO torch—is a particular type of microwave-induced plasma that has become a focus of technological and scientific interest due to its outstanding ...

    • Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X 

      Sunn Pedersen, Thomas; Abramovic, I.; Agostinetti, P.; Agredano Torres, M.; Äkäslompolo, S.; Alcusón, J.A.; Aleynikov, P.; Aleynikova, K.; Alhashimi, M.; Ali, A.; Allen, N.; Alonso, A.; Anda, G.; Andreeva, T.; Angioni, C.; Arkhipov, A.; Arnold, A.; Asad, W.; Ascasibar, E.; Aumeunier, M.-H.; Avramidis, K.; Aymerich, E.; Baek, S.-G.; Bähner, J.; Baillod, A.; Balden, M.; Baldzuhn, J.; Ballinger, S.; Banduch, M.; Bannmann, S.; Banon Navarro, A.; Barbui, T.; Beidler, C.; Belafdil, C.; Bencze, A.; Benndorf, A.; Beurskens, M. (2022)
      We present recent highlights from the most recent operation phases of Wendelstein 7-X, the most advanced stellarator in the world. Stable detachment with good particle exhaust, low impurity content, and energy confinement ...