Mostrando ítems 81-100 de 574

    • Study of B0s → J/ψπ+π−K+K− decays 

      LHCb Collaboration - CERN; Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier (Journal of High Energy Physics, 2021, No. 24, 2021-02)
      The decays B0s → J/ψπ+π−K+K− are studied using a data set corresponding to an integrated luminosity of 9 fb−1, collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of ...
    • Observation of the B0s → D*±D∓ decay 

      LHCb Collaboration - CERN; Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier (Journal of High Energy Physics, 2021, Vol.3, No. 99, 2021-03)
      A search for the B0s → D*±D∓ decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13 TeV collected by the LHCb experiment, corresponding to an integrated luminosity ...
    • Observation of Multiplicity Dependent Prompt χc1(3872) and ψ(2S) Production in pp Collisions 

      Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2021, Vol. 126, 2021-03)
      The production of χc1(3872) and ψ(2S) hadrons is studied as a function of charged particle multiplicity in pp collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity ...
    • A Methodology to Study the University’s Online Teaching Activity from Virtual Platform Indicators: The Effect of the Covid-19 Pandemic at Universitat Politècnica de Catalunya 

      Prat Farran, Joana d'Arc; Llorens, Ariadna; Salvador, Francesc; Alier, Marc; Amo Filvà, Daniel (Sustainability, 2021, 13 (9), 2021-05)
      The Covid-19 pandemic led Catalan universities to do all teaching and evaluation onlinefrom 11 March 2020 until the end of term on 30 July. Conventional universities made the transition toonline teaching ...
    • Comparing Face-to-Face, Emergency Remote Teaching and Smart Classroom: A Qualitative Exploratory Research Based on Students’ Experience during the COVID-19 Pandemic 

      Petchamé, Josep; Iriondo, Ignasi; Villegas, Eva; Riu, David; Fonseca, David (Sustainability, 2021, 13 (12), 2021-06)
      The COVID-19 pandemic significantly disrupted traditional face-to-face teaching world-wide and forced education institutions to adopt new, online teaching formats to enable students tocontinue with their ...
    • Business Model Dynamics from Interaction with Open Innovation 

      Peñarroya Farell, Montserrat; Miralles, Francesc (Miralles i Torner) (Journal of Open Innovation: Technology, Market, and Complexity, 2021, 7 (1), 2021-03)
      In today’s competitive environment, firms face strong challenges. We live in a volatile,uncertain, complex and ambiguous (VUCA) environment where open innovation is a strategicchoice and, on top of ...
    • Mixed Assessment of Virtual Serious Games Applied in Architectural and Urban Design Education 

      Fonseca, David; Cavalcanti, Janaina; Peña, Enric; Valls, Victor; Fonseca, David; Moreira, Fernando; Navarro, Isidro; Redondo, Ernest (Sensors, 2021, 21 (9), 2021-04)
      The creation and usage of serious games on virtual reality (VR) and/or interactive platformsfor the teaching of architecture, construction, urban planning, and other derived areas, such as securityand ...
    • Sistema Fun Experience Design (FED) aplicado en el aula 

      Labrador Ruiz de la Hermosa, Emiliano; Villegas, Eva (Revista de Investigación en Docencia Universitaria de la Informática, Vol. 7, No. 2, 2014-05)
      Este artículo trata de la exposición de un caso de éxito de la aplicación de gamificación en la educación universitaria. Diseño y Usabilidad 1 (DiUI) es una asignatura común para todos los estudiantes ...
    • An Adaptive and Scalable Replication Protocol on Power Smart Grids 

      Navarro, Joan; Armendáriz-Iñigo, José Enrique; Climent Ferrer, August (Scalable Computing: Practice and Experience, 2011, Vol. 12, no. 3, 2011-09)
      Cloud based storage systems are known to provide high scalability and reliability overcoming the traditional constraints of static distributed systems. The processing capacity over thousands of machines ...
    • Connecting domain-specific features to source code: towards the automatization of dashboard generation 

      Vázquez Ingelmo, Andrea; GARCÍA-PEÑALVO, Francisco José; Theron, Roberto; Amo Filvà, Daniel; Fonseca, David (Cluster Computing, 2020, Vol. 23, 2019-11-05)
      Dashboards are useful tools for generating knowledge and support decision-making processes, but the extended use of technologies and the increasingly available data asks for user-friendly tools that ...
    • Automatic tutoring system to support cross-disciplinary training in Big Data 

      Solé-Beteta, Xavier; Navarro, Joan; Vernet, David; Zaballos, Agustin; Torres Kompen, Ricardo; Fonseca, David; Briones, Alan (The Journal of Supercomputing, 2020, 1818-1852, 2021-02)
      During the last decade, Big Data has emerged as a powerful alternative to address latent challenges in scalable data management. The ever-growing amount and rapid evolution of tools, techniques, and ...
    • LHCb detector performance 

      Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (International Journal of Modern Physics A, 2015, Vol. 30, No. 7, 2015-03)
      The LHCb detector is a forward spectrometer at the Large Hadron Collider (LHC) at CERN. The experiment is designed for precision measurements of CP violation and rare decays of beauty and charm hadrons. ...
    • Observation of B0 s→K 7 K ∓ and evidence for B0 s→K − π + decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (New Journal of Physics, 2014, Vol. 16, 2014-12)
      Measurements of the branching fractions of → ± ∓ B KK * s 0 and → π± ∓ B K* s 0 decays are performed using a data sample corresponding to − 1.0 fb 1 of protonproton collision data collected with the ...
    • Updated measurements of exclusive J/ψ and ψ(2S) production cross-sections in pp collisions at s√=7 TeV 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Physics G: Nuclear and Particle Physics, 2014, Vol. 41, No. 5, 2014-02)
      The differential cross-section as a function of rapidity has been measured for the exclusive production of J/ψ and ψ(2S) mesons in proton–proton collisions at √s = 7 TeV, using data collected by the ...
    • Identification of beauty and charm quark jets at LHCb 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Instrumentation, 2015, Vol. 10, 2015-06)
      Identification of jets originating from beauty and charm quarks is important for measuring Standard Model processes and for searching for new physics. The performance of algorithms developed to select ...
    • Observation of charmonium pairs produced exclusively in pp collisions 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Physics G-Nuclear and Particle Physics, 2014, Vol. 41, No. 11, 2014-09)
      A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of 3 fb−1 collected at ...
    • 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 ...
    • B flavour tagging using charm decays at the LHCb experiment 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Instrumentation, 2015, Vol. 10, 2015-10)
      An algorithm is described for tagging the flavour content at production of neutral B mesons in the LHCb experiment. The algorithm exploits the correlation of the flavour of a B meson with the charge of ...
    • Measurement of CP violation and constraints on the CKM angle γ in B±→DK±with D→K0S π+π− decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nuclear Physics B, 2014, Vol. 888, 2014-11)
      A model-dependent amplitude analysis of B± → DK± with D → KS0π+π− decays is performed using proton–proton collision data, corresponding to an integrated luminosity of 1fb−1, recorded by LHCb at a ...
    • 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 ...