La Salle: Recent submissions
Now showing items 241-260 of 780
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Generació de funcions de similitud mitjançant la Programació Genetica pel Raonament Basat en Casos
(2001-10)El raonament basat en casos recupera casos utilitzant una funció de similitud. La funció de similitud permet extraure els casos més similars de la memoria de casos al nou cas que volem resoldre. Per ... -
Mobile robot guidance using cellular neural networks and fuzzy logic
(2001-10)We show how a Cellular Neural Networks based image processing system together with a Tuzzy Logic controller are capable of providing the necessary signal processing to guide an autonomous mobile robot ... -
Observations of B0 s → ψ(2S)η and B0 (s) → ψ(2S)π+π− decays
(Nuclear Physics B, 2013, Vol. 871, No. 3, 2013-06)First observations of the B0s→ψ(2S)η,B0→ψ(2S)π+π− and B0s→ψ(2S)π+π− decays are made using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment in proton–proton ... -
Measurement of relative branching fractions of B decays to ψ(2S) and J/ψ mesons
(The European Physical Journal C, 2012, Vol. 72, No. 2118, 2012-08)The relative rates of B-meson decays into J/ψ and ψ(2S) mesons are measured for the three decay modes in pp collisions recorded with the LHCb detector. The ratios of branching fractions (B) are measured ... -
Measurement of the forward energy flow in pp collisions at √s = 7 TeV
(The European Physical Journal C, 2013, Vol. 73, No. 2421, 2013-05)The energy flow created in pp collisions at √s = 7 TeV is studied within the pseudorapidity range 1.9 <η< 4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive ... -
Determination of the quark coupling strength |Vub| using baryonic decays
(Nature Physics, 2015, Vol. 11, 2015-07)In the Standard Model of particle physics, the strength of the couplings of the b quark to the u and c quarks, |Vub| and |Vcb|, are governed by the coupling of the quarks to the Higgs boson. Using data ... -
Measurement of the CP-violating phase φsin B0s→J/ψπ+π−decays
(Physics Letters B, 2014, Vol. 736, 2014-09)The mixing-induced CP-violating phase in and decays is measured using the final state in data, taken from 3 fb−1 of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass ... -
Search for the doubly charmed baryon Ξ+ cc
(Journal of High Energy Physics, 2013, No. 90, 2013-12)A search for the doubly charmed baryon Ξ+ cc in the decay mode Ξ+ cc→ Λ + c K−π + is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb−1 , of pp collisions recorded at ... -
New methods and technologies for enhancing usability and accessibility of educational data
(Universal Access in the Information Society, 2020, 2020-10) -
Small is big in ICT: The impact of R&D on productivity
(Telecommunications Policy, 2020, 2019-07)We examine the contribution of R&D to firm productivity in a large panel of European firms and study its variation with the age, size, and sub-sector of firms. We find that R&D capital in ICT firms has ... -
Evidence for the decay X(3872) →ψ(2S)γ
(Nuclear Physics B, 2014, Vol. 886, 2014-09)Evidence for the decay mode X(3872) →ψ(2S)γ in B+→X(3872)K+decays is found with a sig-nificance of 4.4 standard deviations. The analysis is based on a data sample of proton–proton collisions, corresponding ... -
Evolution of Decision Trees
(2001-10)This paper addresses the issue of the induction of orthogonal, oblique and multivariate decision trees. Algorithms proposed by other researchers use heuristic, usually based on the information gain ... -
Optimizacion de la accesibilidad web a partir de la experiencia de uso con usuarios discapacitados
(2009-06)La accesibilidad web, incluso la accesibilidad a espacios reales son conceptos ampliamente definidos en la mayoría de casos por expertos en el tema y habitualmente implementados por diseñadores o ... -
Measurement of the B0–B0 oscillation frequency md with the decays B0→D−π+ and B0→J/ψK∗0
(Physical Letters B, Vol. 719, 2013-01)The B0–B0oscillation frequency mdis measured by the LHCb experiment using a dataset correspondingto an integrated luminosity of 1.0fb−1of proton–proton collisions at√s=7TeV,and is found to be ... -
Measurement of the effective B0s→J/ψK0S lifetime
(Nuclear Physics B, 2013, Vol. 873, No. 2, 2013-08)This paper reports the first measurement of the effective B0s→J/ψK0S lifetime and an updated mea-surement of its time-integrated branching fraction. Both measurements are performed with a data sample, ... -
Measurement of the ¯¯¯ B 0 s Effective Lifetime in the J / ψ f 0 ( 980 ) Final State
(Physical Review Letters, 2012, Vol. 109, No. 15, 2012-10)The effective lifetime of the ¯¯¯ B 0 s meson in the decay mode ¯¯¯ B 0 s → J / ψ f 0 ( 980 ) is measured using 1.0 fb − 1 of data collected in p p collisions at √ s = 7 TeV with the ... -
Search for Rare B 0 ( s ) → μ + μ − μ + μ − Decays
(Physical Review Letters, 2013, Vol. 110, No. 21, 2013-05)A search for the decays B 0 s → μ + μ − μ + μ − and B 0 → μ + μ − μ + μ − is performed using data, corresponding to an integrated luminosity of 1.0 fb − 1 , collected with the LHCb detector in ... -
O cambiamos o los perdemos
(2019-07)Cada vez más, los alumnos que entran en la universidad demuestran que la manera que tienen de aprender y estudiar no es compatible con la mayoría de los métodos de enseñanza que existen habitualmente ... -
Utilizando analítica del aprendizaje en una clase invertida: Experiencia de uso en la asignatura de Sistemas Digitales y Microprocesadores
(2018-07)El modelo de clase invertida (o flipped classroom) permite al docente implementar actividades de aprendizaje activo en las sesiones presenciales dejando que el alumno trabaje los contenidos más teóricos ... -
Systematic Review on Which Analytics and Learning Methodologies Are Applied in Primary and Secondary Education in the Learning of Robotics Sensors
(Sensors, 2020, Vol. 21, No. 1, 2020-12)Robotics technology has become increasingly common both for businesses and for private citizens. Primary and secondary schools, as a mirror of societal evolution, have increasingly integrated science, ...