La Salle: Recent submissions
Now showing items 221-240 of 780
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Observation of B0 s→K 7 K ∓ and evidence for B0 s→K − π + decays
(New Journal of Physics, 2014, Vol. 16, 2014-12)Measurements of the branching fractions of → ± ∓ B KK * s 0 and → π± ∓ B K* s 0 decays are performed using a data sample corresponding to − 1.0 fb 1 of protonproton collision data collected with the ... -
Updated measurements of exclusive J/ψ and ψ(2S) production cross-sections in pp collisions at s√=7 TeV
(Journal of Physics G: Nuclear and Particle Physics, 2014, Vol. 41, No. 5, 2014-02)The differential cross-section as a function of rapidity has been measured for the exclusive production of J/ψ and ψ(2S) mesons in proton–proton collisions at √s = 7 TeV, using data collected by the ... -
Identification of beauty and charm quark jets at LHCb
(Journal of Instrumentation, 2015, Vol. 10, 2015-06)Identification of jets originating from beauty and charm quarks is important for measuring Standard Model processes and for searching for new physics. The performance of algorithms developed to select ... -
Observation of charmonium pairs produced exclusively in pp collisions
(Journal of Physics G-Nuclear and Particle Physics, 2014, Vol. 41, No. 11, 2014-09)A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of 3 fb−1 collected at ... -
Precision measurement of the B0 s –B 0 s oscillation frequency with the decay B0 s → D − s π +
(New Journal of Physics, 2013, Vol. 15, 2013-05)A key ingredient to searches for physics beyond the Standard Model in B0 s mixing phenomena is the measurement of the B0 s – B 0 s oscillation frequency, which is equivalent to the mass difference 1ms ... -
B flavour tagging using charm decays at the LHCb experiment
(Journal of Instrumentation, 2015, Vol. 10, 2015-10)An algorithm is described for tagging the flavour content at production of neutral B mesons in the LHCb experiment. The algorithm exploits the correlation of the flavour of a B meson with the charge of ... -
Measurement of CP violation and constraints on the CKM angle γ in B±→DK±with D→K0S π+π− decays
(Nuclear Physics B, 2014, Vol. 888, 2014-11)A model-dependent amplitude analysis of B± → DK± with D → KS0π+π− decays is performed using proton–proton collision data, corresponding to an integrated luminosity of 1fb−1, recorded by LHCb at a ... -
Precision luminosity measurements at LHCb
(Journal of Instrumentation, 2014, Vol. 9, 2014-12)Measuring cross-sections at the LHC requires the luminosity to be determined accurately at each centre-of-mass energy √ s. In this paper results are reported from the luminosity calibrations carried out ... -
Metodología on demand para el desarrollo de la asignatura de Sistemas Operativos Avanzados
(2013-07)Este artículo explora la metodología on demand, que puede ser considerada una nueva faceta del Aprendizaje Basado en Proyectos (Project Based Learning). Esta metodología de aprendizaje está orientada ... -
Measurement of the track reconstruction efficiency at LHCb
(Journal of Instrumentation, 2015, Vol. 10, No. 7, 2015-02)The determination of track reconstruction efficiencies at LHCb using J/ψ→μ+μ- decays is presented. Efficiencies above 95% are found for the data taking periods in 2010, 2011, and 2012. The ratio of the ... -
La ludificación como estrategia de mejora de la motivación, rendimiento académico y satisfacción de los estudiantes
(2016-07)La ludificación es una estrategia pedagógica que se caracteriza por utilizar las técnicas, elementos y dinámicas de los juegos en actividades ajenas a estos. Para utilizarla en un entorno educativo ... -
Analizando el proceso de aprendizaje de nuestros alumnos: un caso práctico
(2019-07)Actualmente la analítica del aprendizaje nos proporciona herramientas que nos permiten conocer con más detalle el proceso de aprendizaje de nuestros estudiantes y, gracias a ello, podemos realizar mejoras ... -
Component Analysis and Time Series Prediction
(2001-10)The relation between component analysis (PCA and ICA) and Multi-resolution Filtering is explained and its use to improve the prediction error in a time series is shown. An example applying the previous ... -
Evidence for the decay B0 → J/ψω and measurementof the relative branching fractions of B0s meson decays to J/ψη and J/ψη′
(Nuclear Physics B, 2012, Vol. 867, No. 3, 2012-10)First evidence of the B0→J/ψω decay is found and the B0s→J/ψη and B0s→J/ψη′ decays are studied using a dataset corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experimentin ... -
A Comparative Survey of Feature Extraction and Machine Learning Methods in Diverse Acoustic Environments
(Sensors, 2021, Vol. 21, No. 4, 2021-02)Acoustic event detection and analysis has been widely developed in the last few years for its valuable application in monitoring elderly or dependant people, for surveillance issues, for multimedia ... -
A Smart Campus’ Digital Twin for Sustainable Comfort Monitoring
(Sustainability, 2020, Vol. 12, No. 21, 2020-11)Interdisciplinary cross-cultural and cross-organizational research offers great opportunities for innovative breakthroughs in the field of smart cities, yet it also presents organizational and knowledge ... -
Inferring the votes in a new political landscape: the case of the 2019 Spanish Presidential elections
(Journal of Big Data, 2020, 2020-08)The avalanche of personal and social data circulating in Online Social Networks over the past 10 years has attracted a great deal of interest from Scholars and Practitioners who seek to analyse not only ... -
Classifying Microcalcifications in Digital Mammograms using Machine Learning techniques
(2001-10)This paper presents a Computer Aided Diagnosis (CAD) of breast cancer from mammograms. The first part involves severa! image processing techniques, which extract a set of features from the microcalcifications ... -
Sistemas Operativos, un análisis a largo plazo de los procesos de innovación docente
(2018-07)A menudo los análisis que se realizan sobre los procesos de innovación docente suelen ser cortoplacistas. Muchas ponencias y artículos presentan resultados entre dos y tres cursos académicos como máximo. ... -
Markets for data
(Industrial and Corporate Change, 2020, Vol. 29, No. 3, 2020-03)Although datasets are abundant and assumed to be immensely valuable, they are not being shared or traded openly and transparently on a large scale. We investigate the nature of data trading with a ...