Now showing items 393-412 of 538

    • Performance of Beamwidth Constrained Linear Array Synthesis Techniques Using Novel Evolutionary Computing Tools 

      Paladuga, Chowdary S.R.; Vedula, Chakravarthy V.S.S.S.; Anguera Pros, Jaume; Mishra, Rabindra K.; Andújar Linares, Aurora (ACES Journal, 2018. Vol. 33, 3 (Març), 2018-03)
      Antenna array synthesis for desired radiation characteristics is a challenging field of research in electromagnetics. When an array synthesis problem is visualized as an optimization problem several ...
    • La persiana enrollable. Revisión del sistema constructivo y sus requisitos medioambientales 

      Martí Audí, Núria; Araujo Armero, Ramón (Instituto de Ciencas de la Construcción Eudardo Torroja - CSIC, 2015-10)
      El empobrecimiento de los filtros del hueco hace que su eficiencia medioambiental, integración en el sistema constructivo y cualidades compositivas y espaciales se vean drásticamente reducidas. La ...
    • Physical Layer Definition for a Long-Haul HF Antarctica to Spain Radio Link 

      Alsina Pagès, Rosa Maria; Hervás García, Marcos; Orga Vidal, Ferran; Pijoan Vidal, Joan Lluís; Badia Folguera, David; Altadill Felip, David (Remote Sensing. 2016. Vol.8 No.5 (Maig), 2016-05)
      La Salle and the Observatori de l’Ebre (OE) have been involved in a remote sensing project in Antarctica for the last 11 years. The OE has been monitoring the geomagnetic activity for more than twenty ...
    • Pierre Hadot (1922-2010): la filosofia com a «manera de viure» 

      Bosch-Veciana, Antoni (Quadern de les idees, les arts i les lletres (2017), p. 3-7, 2017)
    • Pipistrellus pipistrellus and Pipistrellus pygmaeus in the Iberian Peninsula: An Annotated Segmented Dataset and a Proof of Concept of a Classifier in a Real Environment 

      Bertrán Pérez-Hickman, Marta; Alsina Pagès, Rosa Maria; Tena López, Elena (Applied Sciences. 2019. Vol. 9 ,No. 17, 2019-08)
      Bats have an important role in the ecosystem, and therefore an effective detection of their prevalence can contribute to their conservation. At present, the most commonly methodology used in the study ...
    • Plato's Lysis: Aporia and Dialectic logoi friendship «realized» all throughout The Dialogue 

      Bosch-Veciana, Antoni (Revista Catalana de Teologia, vol. 23, núm. 1 (1998), p. 109-118, 1998)
    • Polarization diversity in a long-haul transequatorial HF link from Antarctica to Spain 

      Bergadà Caramés, Pau; Alsina Pagès, Rosa Maria; Hervás García, Marcos (Radio Science. 2017. Vol.52 Nº.1 (Gener), 2017-01)
      This paper describes a set of experiments which examine the feasibility of applying polarization diversity to a 12,760 km ionospheric link from Livingston Island (62.6°S, 60.4°W), South Shetlands, to ...
    • Precise measurements of the properties of the B1(5721)0,+ and B *2 (5747)0,+ states and observation of B+,0π−,+ mass structures 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.4 (Abril), 2015-04-07)
      Invariant mass distributions of B+π− and B0π+ combinations are investigated in order to study excited B mesons. The analysis is based on a data sample corresponding to 3.0 fb−1 of pp collision data, ...
    • Precision luminosity measurements at LHCb 

      Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Instrumentation, 2014, Vol. 9, 2014-12)
      Measuring cross-sections at the LHC requires the luminosity to be determined accurately at each centre-of-mass energy √ s. In this paper results are reported from the luminosity calibrations carried out ...
    • Precision Measurement of CP Violation in B0S→J/ΨK+K− Decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters , 2015, Vol. 114, No.4 (Gener), 2015-01-30)
      The time-dependent CP asymmetry in B0s→J/ψK+K− decays is measured using pp collision data, corresponding to an integrated luminosity of 3.0  fb−1, collected with the LHCb detector at center-of-mass ...
    • Precision measurement of D meson mass differences 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.6 (Juny), 2013-06-17)
      Using three- and four-body decays of D mesons produced in semileptonic b-hadron decays, precision measurements of D meson mass differences are made together with a measurement of the D 0 mass. The ...
    • Precision measurement of the B+c meson mass 

      Calvo Gómez, Míriam; Camboni, Alessandro; Golobardes, Elisabet; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2020, 123, 2020-07)
      A precision measurement of the B+c meson mass is performed using proton- proton collision data collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to a total ...
    • Precision measurement of the B0 s –B 0 s oscillation frequency with the decay B0 s → D − s π + 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (New Journal of Physics, 2013, Vol. 15, 2013-05)
      A key ingredient to searches for physics beyond the Standard Model in B0 s mixing phenomena is the measurement of the B0 s – B 0 s oscillation frequency, which is equivalent to the mass difference 1ms ...
    • Precision Measurement of the Mass and Lifetime of the Ξ0b Baryon 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2014, Vol. 113, No. 3 (Juliol), 2014-07-15)
      Using a proton-proton collision data sample corresponding to an integrated luminosity of 3  fb−1 collected by LHCb at center-of-mass energies of 7 and 8 TeV, about 3800 Ξ0b→Ξ+cπ−, Ξ+c→pK−π+ signal decays ...
    • Precision Measurement of the Mass and Lifetime of the Ξ0b Baryon 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters , 2014, Vol. 113, No.3 (Juliol), 2014-07-15)
      Using a proton-proton collision data sample corresponding to an integrated luminosity of 3  fb−1 collected by LHCb at center-of-mass energies of 7 and 8 TeV, about 3800 Ξ0b→Ξ+cπ−, Ξ+c→pK−π+ signal decays ...
    • Precision measurement of the ratio of the Λb0 to B¯0 lifetimes 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 734, (Juny), 2014-06-27)
      The LHCb measurement of the lifetime ratio of the Λ0b to the B⎯⎯⎯0 meson is updated using data corresponding to an integrated luminosity of 3.0 fb−1 collected using 7 and 8 TeV centre-of-mass energy pp ...
    • Precision measurement of the Ξ++cc mass 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2020, 49, 2020-02)
      A measurement of the Ξ++cc mass is performed using data collected by the LHCb experiment between 2016 and 2018 in pp collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated ...
    • Privacidad, seguridad y legalidad en soluciones educativas basadas en Blockchain: Una Revisión Sistemática de la Literatura 

      Amo Filvà, Daniel; Alier Forment, Marc; García-Peñalvo, Francisco José; Fonseca Escudero, David; Casañ Guerrero, María José (RIED. Revista Iberoamericana de Educación a Distancia, 2020, Vol. 23, No 2, 2020-03)
      La Analítica del Aprendizaje (proveniente del término en inglés Learning Analytics) procesa los datos de los estudiantes, incluso los estudiantes menores de edad. El ciclo analítico consiste ...
    • Privacy and e-learning: a pending task 

      Alier, Marc ; Casañ Guerrero, María José; Amo Filvà, Daniel; Severance, Charles R.; Fonseca, David (Sustainability, 2021-08-13)
      Most educational software programs use and gather personal information and metadata from students. Additionally, most of the educational software programs are no longer operated by the learning institutions ...
    • Production of J/ψ and Υ mesons in pp collisions at s√=8 TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.6 (Juny), 2013-06-14)
      The production of J/ψ and Υ mesons in pp collisions at s√=8 TeV is studied with the LHCb detector. The J/ψ and Υ mesons are reconstructed in the μ + μ − decay mode and the signal yields are determined ...