Articles publicats en revistes: Enviaments recents

Ara mostrant els elements 141-160 de 546

    • 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 ...

    • Search for the Rare Decays B0s→e+e− and B0→e+e− 

      Calvo Gómez, Míriam; Camboni, Alessandro; Golobardes, Elisabet; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.124, 211802, 2020-05)
      A search for the decays B0s→e+e− and B0→e+e− is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to ...

    • WASN-Based Day–Night Characterization of Urban Anomalous Noise Events in Narrow and Wide Streets 

      Alías Pujol, Francesc; Socoró Carrié, Joan Claudi; Alsina Pagès, Rosa Maria (Sensors, 2020, Vol. 20 No 17, 2020-08)
      In addition to air pollution, environmental noise has become one of the major hazards for citizens, being Road Traffic Noise (RTN) as its main source in urban areas. Recently, low-cost Wireless Acoustic ...

    • Design of a Low-Cost Configurable Acoustic Sensor for the Rapid Development of Sound Recognition Applications 

      Alsina Pagès, Rosa Maria; Hervás García, Marcos; Duboc, Leticia; Carbassa Dalmases, Jordi (Electronics, 2020, Vol. 9, No 7, 2020-07)
      Concerned about the noise pollution in urban environments, the European Commission (EC) has created an Environmental Noise Directive 2002/49/EC (END) requiring Member states to publish noise maps and ...

    • Measurement of the ηc(1S) production cross-section in p p collisions at s√=13 TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Phisical Journal C, 2020, 191, 2020-03)
      Using a data sample corresponding to an integrated luminosity of 2.0 fb−1, collected by the LHCb experiment, the production of the ηc(1S) state in proton–proton collisions at a centre-of-mass energy of ...

    • Acoustic Description of the Soundscape of a Real-Life Intensive Farm and Its Impact on Animal Welfare: A Preliminary Analysis of Farm Sounds and Bird Vocalisations 

      Ginovart Panisello, Gerardo José; Alsina Pagès, Rosa Maria; Iriondo Sanz, Ignasi; Panisello Monjo, Tesa; Call Prat, Marcel (Sensors, 2020, Vol. 20 No 17, 2020-08)
      Poultry meat is the world’s primary source of animal protein due to low cost and is widelyeaten at a global level. However, intensive production is required to supply the demand although itgenerates ...

    • Variation of Ionospheric Narrowband and Wideband Performance for a 12,760 km Transequatorial Link and Its Dependence on Solar and Ionospheric Activity 

      Alsina Pagès, Rosa Maria; Altadill Felip, David; Hervás García, Marcos; Blanch Llosa, Estefania; Segarra, Antoni; González Sans, Xavier (Remote Sensing, 2020, Vol.12 no 17, 2020-08)
      The ionosphere provides a channel that is able to propagate electromagnetic waves for long-haul communications, allowing Non-Line-Of-Sight (NLOS) radio communications in the high-frequency band (HF). ...

    • Analizando la innovación comercial en las empresas peruanas de manufactura de menor intensidad tecnologica 

      Carpio-Gallegos, JavIer Fernando del; Miralles, Francesc (Miralles i Torner) (Revista de Administração de Empresas, 2020, Vol.60, No 3, 2020-05)
      En la última década, la innovación no tecnológica ha llamado mucho el interés de los investigadores. Este tipo de innovación incluye la organizacional y comercial. El presente estudio se enfoca en dos ...

    • Measurement of Ξ++cc production in pp collisions at √s= 13TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Chinese Physics C, 2020, Vol. 44, no 2, 2020-02)
      The production of $\varXi _{cc}^ {++}$ baryons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13\;{\rm{TeV}}$ is measured in the transverse-momentum range $4 \lt p_{\rm{T}} \lt ...

    • Observation of the semileptonic decay B+→pp¯¯¯μ+νμ 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2020, 146, 2020-03)
      The Cabibbo-suppressed semileptonic decay B+→pp¯¯¯μ+νμ is observed for the first time using a sample of pp collisions corresponding to an integrated luminosity of 1.0, 2.0 and 1.7 fb−1 at centre-of-mass ...

    • Observation of several sources of CP violation in B+ → π+ π+ π− decays 

      Camboni, Alessandro; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.124, 031801, 2020-01)
      Observations are reported of different sources of CP violation from an amplitude analysis of B+→π+π+π− decays, based on a data sample corresponding to an integrated luminosity of 3  fb−1 of pp collisions ...

    • Measurement of CP-Averaged Observables in the B0→K*0μ+μ− Decay 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.125, 011802, 2020-07)
      An angular analysis of the B0→K*0(→K+π−)μ+μ− decay is presented using a dataset corresponding to an integrated luminosity of 4.7  fb−1 of pp collision data collected with the LHCb experiment. The full ...

    • Isospin Amplitudes in Λ0b→J/ψΛ(Σ0) and Ξ0b→J/ψΞ0(Λ) Decays 

      Camboni, Alessandro; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.124, 111802, 2020-02)
      Ratios of isospin amplitudes in hadron decays are a useful probe of the interplay between weak and strong interactions and allow searches for physics beyond the standard model. We present the first ...

    • Measurement of fs/fu Variation with Proton-Proton Collision Energy and B-Meson Kinematics 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.124, 122002, 2020-03)
      The ratio of the B0s and B+ fragmentation fractions fs and fu is studied with B0s→J/ψϕ and B+→J/ψK+ decays using data collected by the LHCb experiment in proton-proton collisions at 7, 8, and 13 TeV ...

    • Aggregate Impact of Anomalous Noise Events on the WASN-Based Computation of Road Traffic Noise Levels in Urban and Suburban Environments 

      Alías Pujol, Francesc; Orga Vidal, Ferran; Alsina Pagès, Rosa Maria; Socoró Carrié, Joan Claudi (Sensors, 2020, Vol. 20 No 3, 2020-01)
      Environmental noise can be defined as the accumulation of noise pollution caused by sounds generated by outdoor human activities, Road Traffic Noise (RTN) being the main source in urban and suburban ...

    • Ionospheric Polarization Techniques for Robust NVIS Remote Sensing Platforms 

      Malé Vilà, Jordi; Porté Jiménez, Joaquim; Masó Llinàs, Josep M.; Pijoan Vidal, Joan Lluís; Badia Folguera, David (Applied Sciences, 2020, 10(11), 3730, 2020-05)
      Every year more interest is focused on high frequencies (HF) communications for remotesensing platforms due to their capacity to establish links of more than 250 km without a line ofsight and due to ...

    • 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 ...

    • Measurement of the fragmentation fraction ratio f s /f d and its dependence on B meson kinematics 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.4 (Abril), 2013-04-02)
      The relative production rate of B0s and B 0 mesons is determined with the hadronic decays B0s→D−sπ+ and B 0 → D − K +. The measurement uses data corresponding to 1.0 fb−1 of pp collisions at a centre-of-mass ...

    • Study of D sJ decays to D+K0S and D 0K+ final states in pp collisions 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2012, Vol. 2012, No.4 (Abril), 2012-10-23)
      A study of D+K0S and D 0 K + final states is performed in a sample of 1.0 fb−1 of pp collision data collected at a centre-of-mass energy of s√=7TeV with the LHCb detector. We confirm the existence of ...

    • Search for the rare decay K0S → μ+μ− 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.1 (gener), 2013-01-13)
      A search for the decay K0S→μ+μ− is performed, based on a data sample of 1.0 fb−1 of pp collisions at s√=7TeV collected by the LHCb experiment at the Large Hadron Collider. The observed number of candidates ...