Articles publicats en revistes: Enviaments recents
Ara mostrant els elements 241-260 de 538
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Measurement of the flavour-specific CP-violating asymmetry assl in B0s decays
(Physics Letters B , 2014, Vol. 728, (Gener), 2014-01-20)The CP-violating asymmetry a_{sl}^s is studied using semileptonic decays of Bs and anti-Bs mesons produced in pp collisions at a centre-of-mass energy of 7 TeV at the LHC, exploiting a data sample ... -
Search for CP violation using T-odd correlations in D 0 → K + K −π+π− decays
(Journal of High Energy Physics, 2014, Vol. 2014, No.10 (Octubre), 2014-10-01)A search for CP violation using T-odd correlations is performed using the four-body D 0 → K + K −π+π− decay, selected from semileptonic B decays. The data sample corresponds to integrated luminosities ... -
Study of Υ production and cold nuclear matter effects in pPb collisions at √sNN = 5 TeV
(Journal of High Energy Physics, 2014, Vol. 2014, No.7 (Juliol), 2014-07-21)Production of Υ mesons in proton-lead collisions at a nucleon-nucleon centre-of-mass energy sNN−−−−√ = 5 TeV is studied with the LHCb detector. The analysis is based on a data sample corresponding to ... -
Study of D J meson decays to D +π−, D 0π+ and D ∗+π− final states in pp collisions
(Journal of High Energy Physics, 2013, Vol. 2013, No.9 (Setembre), 2013-09-26)A study of D +π−, D 0π+ and D ∗+π− final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 fb−1, collected at a centre-of-mass energy of 7 TeV with the LHCb ... -
Evidence for the decay B+c→J/ψ3π+2π−
(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
(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
(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
(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
(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
(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
(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 −
(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)
(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
(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
(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
(Physics Letters B , 2015, Vol. 747, (Juliol), 2015-07-30) -
Test of lepton universality with Λ0b→pK−ℓ+ℓ− decays
(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−
(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
(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
(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 ...