Recerca: Recent submissions

Now showing items 1001-1020 of 2793

    • 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 ...

    • Exclusive J/ψ and ψ(2S) production in pp collisions at √s= 7 TeV 

      Abellan Beteta, Carlos; Domingo Bonal, Francesc; Camboni, Alessandro; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of Physics G-Nuclear and Particle Physics, 2013, Vol. 40, No. 4, 2013-02)
      Exclusive J/ψ and ψ(2S) vector meson production has been observed in the dimuon channel using the LHCb detector. The cross-section times branching fractions to two muons with pseudorapidities between ...

    • Observation of a new Ξ0 b state 

      LHCb Collaboration - CERN; Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier (Physical Review D, 2021, Vol. 103, No. 1, 2021-01)
      Using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 8.5 fb−1, the observation of a new excited Ξ0 b resonance decaying to the Ξ− b ...

    • Low-Cost Distributed Acoustic Sensor Network for Real-Time Urban Sound Monitoring 

      Vidaña Vila, Ester; Navarro Martín, Joan; Borda Fortuny, Cristina; Stowell, Dan; Alsina Pagès, Rosa Maria (Electronics, 2020, Vol. 9, No. 12, 2020-12)
      Continuous exposure to urban noise has been found to be one of the major threats to citizens’ health. In this regard, several organizations are devoting huge efforts to designing new in-field systems ...

    • BCNDataset: Description and Analysis of an Annotated Night Urban Leisure Sound Dataset 

      Vidaña Vila, Ester; Duboc, Leticia; Alsina Pagès, Rosa Maria; Polls Agell, Francesc; Vargas Barrantes, Harold (Sustainability, 2020, Vol. 12, No. 19, 2020-10)
      Acoustic pollution has been associated with adverse effects on the health and life expectancy of people, especially when noise exposure happens during the nighttime. With over half of the world population ...

    • Heterogeneous wireless IoT architecture for natural disaster monitorization 

      Porté Jiménez, Joaquim; Briones Delgado, Alan; Masó Llinàs, Josep M.; Parés Morlans, Carlota; Zaballos Diego, Agustín; Pijoan Vidal, Joan Lluís (EURASIP Journal on Wireless Communications and Networking, 2020, Art. 184, 2020-09)
      A heterogeneous sensor network offers an extremely effective means of communicating with the international community, first responders, and humanitarian assistance agencies as long as affected populations ...

    • Acoustic Description of Bird Broiler Vocalisations in a Real-Life Intensive Farm and Its Impact on Animal Welfare: A Comparative Analysis of Recordings 

      Ginovart Panisello, Gerardo José; Alsina Pagès, Rosa Maria; Panisello Monjo, Tesa (Engineering Proceedings, 2020, Vol. 2, No. 1, 2020-11)
      The poultry meat industry is one of the most efficient biological systems to transform cereal protein into high quality protein for human consumption at a low cost. However, to supply the increasing ...

    • Noise at the time of COVID 19: The impact in some areas in Rome and Milan, Italy 

      Alsina Pagès, Rosa Maria; Alías Pujol, Francesc; Bellucci, Patrizia; Paolo Cartolano, Pier; Coppa, Ilaria; Peruzzi, Laura; Bisceglie, Alessandro; Zambon, Giovanni (Noise Mapp, 2020, 7, 2020-11)
      The COVID-19 pandemic was confirmed in Italy at the end of January 2020, when the first positive cases for the virus were identified. At the beginning of March, the virus had spread to all Italian regions ...

    • Sons al balcó: Soundscape Map of the Confinement in Catalonia 

      Alsina Pagès, Rosa Maria; Orga Vidal, Ferran; Mallol Parera, Roger; Freixes Guerreiro, Marc; Baño Coral, Xavier; Foraster Pulido, Maria (Engineering Proceedings, 2020, Vol. 2, No. 1, 2020-11)
      In this project, we aim to study the effect that the lockdown due to the COVID-19 pandemic has caused on the perception of noise in Catalonia. In Sons al Balcó, the research activities cohabit with the ...