Articles publicats en revistes: Envíos recientes

Mostrando ítems 281-300 de 574

    • Evidence for the decay B+c→J/ψ3π+2π− 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, Vol. 2014, No.2 (Febrer), 2014-05-30)
      Evidence is presented for the decay B+c→J/ψ3π+2π− using proton-proton collision data, corresponding to an integrated luminosity of 3 fb−1, collected with the LHCb detector. A signal yield of 32 ± 8 ...

    • Study of the kinematic dependences of Λ 0b production in pp collisions and a measurement of the Λ 0b → Λ +c π − branching fraction 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, Vol. 2014, No.8 (Agost), 2014-08-26)
      The kinematic dependences of the relative production rates, fΛ0b/fd, of Λ 0b baryons and B 0 mesons are measured using Λ 0b → Λ +c π − and B¯¯¯¯0 →D+π− decays. The measurements use proton-proton ...

    • Measurement of the relative rate of prompt χ c0, χ c1 and χ c2 production at s√=7 TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.10 (Octubre), 2013-10-18)
      Prompt production of charmonium χ c0, χ c1 and χ c2 mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of s√=7 TeV. The χ c mesons are identified through their decay ...

    • Amplitude analysis of the B+ → π+ π+ π− decay 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (2020-01)
      The results of an amplitude analysis of the charmless three-body decay B+→π+π+π−, in which CP-violation effects are taken into account, are reported. The analysis is based on a data sample corresponding ...

    • Simultaneous and causal appearance learning and tracking 

      Melenchón Maldonado, Javier; Iriondo Sanz, Ignasi; Meler Corretjé, Lourdes (Electronic letters on computer vision and image analysis, Vol. 5, No 3 (2005), 2005-08)
      A novel way to learn and track simultaneously the appearance of a previously non-seen face without intrusive techniques can be found in this article. The presented approach has a causal behaviour: no ...

    • Nuevas tecnologías de visualización para mejorar la representación de arquitectura en la educación 

      Navarro, Isidro; Fonseca, David (ACE, Architecture, City, and Environment, Vol. 12, No. 34 (Juny, 2017), 2017-06)
      El artículo presenta diversos estudios centrados en la representación del espacio tridimensional y los proyectos arquitectónicos desarrollados en el ámbito académico de los grados de Arquitectura y ...

    • 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 ...

    • First observations of the rare decays B + → K + π + π − μ + μ − and B +→ ϕK + μ + μ − 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, Vol. 2014, No.10 (Octubre), 2014-10-09)
      First observations of the rare decays B + → K + π + π − μ + μ − and B +→ ϕK +μ+μ− are presented using data corresponding to an integrated luminosity of 3.0 fb−1, collected by the LHCb experiment at ...

    • Search for the decay B0s→D¯¯¯¯0f0(980) 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.8 (Agost), 2015-08-03)
      A search for B0s→D¯¯¯¯0f0(980) decays is performed using 3.0 fb1− of pp collision data recorded by the LHCb experiment during 2011 and 2012. The f0(980) meson is reconstructed through its decay to the ...

    • Measurement of the lifetime of the Bc+ meson using the Bc+→ J/ψπ+ decay mode 

      Calvo Gómez, Míriam; LHCb Collaboration - CERN (Physics Letters B , 2015, Vol. 742, (Març), 2015-03-06)
      The difference in total widths between the Bc+ and B+mesons is measured using a data sample corresponding to an integrated luminosity of 3.0 fb-1collected by the LHCb experiment in 7 and 8 TeV centre-of-mass ...

    • Social STEAM Learning at an Early Age with Robotic Platforms: A Case Study in Four Schools in Spain 

      Jurado Cojo, Elena; Anguera, Jaume; Canaleta, Xavi; Coderch, Jorge (Sensors, 2020, Vol. 20 No 13, 2020-07)
      Robotics is one of the key learnings in a world where learners will interact with multiple robotic technologies and operating systems throughout their lives. However, school teachers, especially in the ...

    • Observation of the B0 → ρ0ρ0 decay from an amplitude analysis of B0 → (π+π−)(π+π−) decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2015, Vol. 747, (Juliol), 2015-07-30)

    • Test of lepton universality with Λ0b→pK−ℓ+ℓ− decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Golobardes, Elisabet; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2020, 40, 2020-04)
      The ratio of branching fractions of the decays Λ0b → pK−e+e− and Λ0b → pK−μ+μ−, R−1pK, is measured for the first time using proton-proton collision data corresponding to an integrated luminosity of 4.7 ...

    • Search for the decay D0→π+π−μ+μ− 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 728, (Gener), 2014-01-20)
      A search for the D0→π+π−μ+μ− decay, where the muon pair does not originate from a resonance, is performed using proton–proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded ...

    • A study of CP violation in B±→DK± and B±→Dπ± decays with D→K0SK±π∓ final states 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 733 (Juny), 2014-06-02)
      A first study of CP violation in the decay modes B±→[K0SK±π∓]Dh± and B±→[K0SK∓π±]Dh±, where h labels a K or π meson and D labels a D0 or D⎯⎯⎯0 meson, is performed. The analysis uses the LHCb data set ...

    • Observation of X(3872) production in pp collisions at s√=7~TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2012. Vol. 72, No. 5 (Maig), 2012-05-04)
      Using 34.7 pb−1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at s√=7~TeV is observed for the first time. Candidates are selected in the ...

    • Search for the lepton flavour violating decay τ − → μ − μ + μ − 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.2 (Febrer), 2015-02-18)
      A search for the lepton flavour violating decay τ − → μ − μ + μ − is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb−1 of proton-proton collisions ...

    • Measurement of the inelastic pp cross-section at a centre-of-mass energy of s√ = 7 TeV 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.2 (Febrer), 2015-02-19)
      The cross-section for inelastic proton-proton collisions, with at least one prompt long-lived charged particle of transverse momentum p T > 0.2GeV/c in the pseudorapidity range 2.0 < η < 4.5, is measured ...

    • Measurement of ψ(2S) production cross-sections in proton-proton collisions at s√=7 and 13 TeV 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Phisical Journal C, 2020, 185, 2020-02)
      The cross-sections of ψ(2S) meson production in proton-proton collisions at s√=13 TeV are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of 275 pb−1. ...

    • Measurement of σ(pp → bb X) at √s = 7 TeV in the forward region 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2010, Vol. 694, No. 3 (Novembre), 2010-11-08)
      Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the bb production cross-section in proton–proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In ...