La Salle: Recent submissions

Now showing items 221-240 of 737

    • Measurement of the ratio of branching fractions B(B0 → K∗0γ )/B(B0 s → φγ ) and the direct CP asymmetry in B0 → K∗0γ 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Domingo Bonal, Francesc; Roselló Canal, Mar; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nuclear Physics B, 2012, Vol. 867, 2012-09)
      The ratio of branching fractions of the radiative B decays B0→K∗0γ andB0s→φγ has been measured using an integrated luminosity of 1.0 fb−1 of pp collision data collected by the LHCb experiment at a ...

    • Search for the Lepton-Flavor-Violating Decays B 0 s → e ± μ ∓ and B 0 → e ± μ ∓ 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2013, Vol. 111, No. 14, 2013-09)
      A search for the lepton-flavor-violating decays B 0 s → e ± μ ∓ and B 0 → e ± μ ∓ is performed with a data sample, corresponding to an integrated luminosity of 1.0     fb − 1 of p p collisions ...

    • Measurement of differential b¯b- and cc¯-dijet cross-sections in the forward region of pp collisions at √s = 13 TeV 

      LHCb Collaboration - CERN; Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier (Journal of High Energy Physics, 2021, No. 23, 2021-02)
      The inclusive b ¯b- and cc¯-dijet production cross-sections in the forward region of pp collisions are measured using a data sample collected with the LHCb detector at a centre-of-mass energy of 13 TeV ...

    • Measurement of indirect CP asymmetries in D0 → K−K+ and D0 → π −π + decays using semileptonic B decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, No. 43, 2015-04)
      Time-dependent CP asymmetries in the decay rates of the singly Cabibbosuppressed decays D0 → K−K+ and D0 → π −π + are measured in pp collision data corresponding to an integrated luminosity of 3.0 ...

    • Observation of the B0 s → J/ψ K0 SK±π ∓ decay 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, No. 140, 2014-07)
      Decays of the form B0 (s) → J/ψ K0 S h +h (0)− (h (0) = K, π) are searched for in proton-proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded with the LHCb detector. The ...

    • Observation of the rare Bs0 →µ+µ− decay from the combined analysis of CMS and LHCb data 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nature, 2015, Vol. 522, 2015-05)
      The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities ...

    • Measurements of the branching fractions of B+ → ppK¯ + decays 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Domingo Bonal, Francesc; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2013, Vol. 73, No. 2462, 2013-06)
      The branching fractions of the decay B+ → ppK¯ + for different intermediate states are measured using data, corresponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb experiment. The ...

    • Measurement of ψ(2S) meson production in pp collisions at s√=7 TeV 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Domingo Bonal, Francesc; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2012, Vol. 72, No. 2100, 2012-08)
      The differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at √s = 7 TeV has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity ...

    • Aplicación de mecánicas de juego en el aula 

      Labrador Ruiz de la Hermosa, Emiliano; Villegas Portero, Eva; García Pañella, Óscar; Romo, Marc; Villa Fernández, Guillem (2013-07)
      En el grado de ingeniería multimedia se han realizado experiencias piloto desde el curso 2011-2012 en las que se aplican técnicas de gamificación durante el desarrollo de las asignaturas con el objetivo ...

    • Study of NVIS Channel for USN Protocol Definition in Antarctica 

      Masó Llinàs, Josep M.; Porté Jiménez, Joaquim; Pijoan Vidal, Joan Lluís; Badia Folguera, David (Electronics, 2020, Vol. 9, No. 6, 2020-06)
      Every year, the number of ubiquitous sensor networks (USN) is increasing and the need for remote USN communications is emerging in some scenarios. As an alternative to satellite communications, more ...

    • Measurement of the C P Asymmetry in B + → K + μ + μ − Decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2013, Vol. 111, No. 15, 2013-10)
      A measurement of the CP asymmetry in Bþ ! Kþ þ decays is presented using pp collision data, corresponding to an integrated luminosity of 1:0 fb 1, recorded by the LHCb experiment during 2011 at ...

    • Study of B0 s → 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 B 0 s → 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 ...

    • Dalitz plot analysis of B0 → D¯ 0πþπ− decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review D, 2015, Vol. 92, No. 3, 2015-08)
      The resonant substructures of B0 → D¯ 0πþπ− decays are studied with the Dalitz plot technique. In this study a data sample corresponding to an integrated luminosity of 3.0 fb−1 of pp collisions collected ...

    • Analisi de l'avaluació incremental i de l'aplicació eficient de l'Algorisme Genètic en un Sistema Classificador 

      Bernadó Mansilla, Ester; Garrell i Guiu, Josep Maria; Llorà Fàbrega, Xavier (2001-10)
      Aquest article parteix de l'ana!isi del sistema MOLeeS, un sistema classificador (eS) que evolu­ciona un conjunt de regles de classificació a partir d'algorismes genetics (GA). El sistema es descom­posa ...

    • Extracting relevant information from input-output data 

      Garriga Berga, Carles (4rt Congrés Català d'Intel.ligència Artificial, Barcelona, 24-25 d'octubre de 2001, 2001-10)
      In this paper a set of heuristic criteria devised to address the problems encountered in designing a fuzzy system from input-output data is presented. In particular, we show how to discriminate ...

    • Prompt charm production inppcollisions at √s=7 TeV 

      Abellan Beteta, Carlos; Calvo Gómez, Míriam; Camboni, Alessandro; Domingo Bonal, Francesc; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Nuclear Physics B, 2013, Vol. 871, No. 1, 2013-06)
      Charm production at the LHC in pp collisions at √s=7 TeV is studied with the LHCb detector. The decays D0→K−π+,D+→K−π+π+,D∗+→D0(K−π+)π+,D+s→φ(K−K+)π+,Λ+c→pK−π+, and their charge conjugates are analysed ...

    • NVIS Multicarrier Modulations for Remote-Sensor Applications 

      Masó Llinàs, Josep M.; Gonzalez Fontan, Tomas; Malé Carbonell, Jordi; Porté Jiménez, Joaquim; Pijoan Vidal, Joan Lluís; Badia Folguera, David (Sensors, 2020, Vol. 20, No. 21, 2020-10)
      The number of Internet of Things (IoT) devices has experienced a large growth during the last decade, as well as the data volume gathered from remote sensors. Satellites are still a suitable communication ...

    • Qualitative Assessment of Effective Gamification Design Processes Using Motivators to Identify Game Mechanics 

      Villegas Portero, Eva; Fonseca Escudero, David; Peña Camarillas, Enric; Bonet, Paula; Fernández Guinea, Sara (Sensors, 2021, Vol. 21, No. 7, 2021-04)
      This research focuses on the study and qualitative assessment of the relationships between motivators and game mechanics per the ratings of expert gamification consultants. By taking this approach, it ...

    • Measurement of CP asymmetry in D0 → K−K+ and D0 → π −π + decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, No. 41, 2014-07)
      Time-integrated CP asymmetries in D0 decays to the final states K−K+ and π −π + are measured using proton-proton collisions corresponding to 3 fb−1 of integrated luminosity collected at centre-of-mass ...

    • Measurement of the B 0 s → μ + μ − Branching Fraction and Search for B 0 → μ + μ − Decays at the LHCb Experiment 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2013, Vol. 111, No. 10, 2013-09)
      A search for the rare decays B 0 s → μ + μ − and B 0 → μ + μ − is performed at the LHCb experiment. The data analyzed correspond to an integrated luminosity of 1     fb − 1 of p p collisions at ...