Articles publicats en revistes: Enviaments recents
Ara mostrant els elements 301-320 de 546
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Measurement of the ratio of B+c branching fractions to J/ψπ+ and J/ψμ+νμ final states
(Physical Review D, 2014, Vol. 90 , No.3 (Agost), 2014-08-27)The first measurement that relates semileptonic and hadronic decay rates of the B+c meson is performed using proton-proton collision data corresponding to 1.0 fb−1 of integrated luminosity collected ... -
Measurement of the polarization amplitudes in B0→J/ψK∗(892)0 decays
(Physical Review D, 2013, Vol. 88 , No.5 (Setembre), 2013-09-03)An analysis of the decay B0→J/ψK∗(892)0 is presented using data, corresponding to an integrated luminosity of 1.0 fb−1, collected in pp collisions at a center-of-mass energy of 7 TeV with the LHCb ... -
Towards Automatic Bird Detection: An Annotated and Segmented Acoustic Dataset of Seven Picidae Species
(Data, 2017. Vol. 2, 2, 2017-03)Analysing behavioural patterns of bird species in a certain region enables researchers to recognize forthcoming changes in environment, ecology, and population. Ornithologists spend many hours observing ... -
Measurement of resonant and CP components in ¯B0s→J/ψπ+π− decays
(Physical Review D, 2014, Vol. 89 , No.9 (Maig), 2014-05-14)Structure of the decay ¯B0s→J/ψπ+π− is studied using data corresponding to 3 fb−1 of integrated luminosity from pp collisions produced by the LHC and collected by the LHCb detector. Five interfering ... -
Study of B0→D*−π+π−π+ and B0→D*−K+π−π+ decays
(Physical Review D, 2013, Vol. 87 , No.9 (Mayo), 2013-05-03)Using proton-proton collision data collected by the LHCb experiment at √s=7 TeV, corresponding to an integrated luminosity of 1.0 fb−1, the ratio of branching fractions of the B0→D*−π+π−π+ decay ... -
Radio communication via Near Vertical Incidence Skywave propagation: an overview
(Telecommunication Systems. 2017, Vol. 66, 2017-02)Near Vertical Incidence Skywave (NVIS) propagation can be used for radio communication in a large area (200 km radius) without any intermediate man-made infrastructure. It is therefore especially suited ... -
Studies of beauty baryon decays to D0ph− and Λ+ch− final states
(Physical Review D, 2014, Vol. 89 , No.3 (Febrer), 2014-02-13)Decays of beauty baryons to the D0ph− and Λ+ch− final states (where h indicates a pion or a kaon) are studied using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb−1, ... -
Analysis of the resonant components in ¯¯¯B0s→J/ψπ+π−
(Physical Review D, 2012, Vol. 86 , No. 5 (Setembre), 2012-09-17)The decay ¯¯¯B0s→J/ψπ+π− can be exploited to study CP violation. A detailed understanding of its structure is imperative in order to optimize its usefulness. An analysis of this three-body final state ... -
First observation of ¯¯¯B0→J/ψK+K− and search for ¯¯¯B0→J/ψϕ decays
(Physical Review D, 2013, Vol. 88 , No.7 (Octubre), 2013-10-14)The first observation of the ¯¯¯B0→J/ψK+K− decay is presented with a data sample corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions at a center-of-mass energy of 7 TeV collected ... -
Measurement of CP violation and the B0s meson decay width difference with B0s→J/ψK+K− and B0s→J/ψπ+π− decays
(Physical Review D, 2013, Vol. 87 , No.11 (Juny), 2013-06-21)The time-dependent CP asymmetry in B0s→J/ψK+K− decays is measured using pp collision data at √s=7 TeV, corresponding to an integrated luminosity of 1.0 fb−1, collected with the LHCb detector. The ... -
Measurement of the branching fractions of the decays B0s→¯¯¯D0K−π+ and B0→¯¯¯D0K+π−
(Physical Review D, 2013, Vol. 87 , No.11 (Juny), 2013-06-20)The first observation of the decay B0s→¯¯¯D0K−π+ is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions, collected with the LHCb ... -
Studies of the decays B+→p¯ph+ and observation of B+→¯¯¯Λ(1520)p
(Physical Review D, 2013, Vol. 88 , No.5 (Setembre), 2013-09-19)Dynamics and direct CP violation in three-body charmless decays of charged B mesons to a proton, an antiproton and a light meson (pion or kaon) are studied using data, corresponding to an integrated ... -
Observation of the decay B+c → ψ(2S)π+
(Physical Review D, 2013, Vol. 87 , No.7 (Abril), 2013-04-26)The decay B+c→ψ(2S)π+ with ψ(2S)→μ+μ− is observed with a significance of 5.2σ using pp collision data corresponding to an integrated luminosity of 1.0 fb−1 collected by the LHCb experiment. The branching ... -
Validación de Competencias en Titulaciones Universitarias Usando Minería de Datos
(IEEE-RITA Revista Iberoamericana de Tecnologías del aprendizaje, 2010, Vol. 5, No. 1 (Febrer), 2010-02)Nowadays the successful acquisition of competences is the base for the achievement of the professional skills and, consequently, the educational methodologies need to be reconsidered. This work describes ... -
Search for the decay B0s → D*∓ π±
(Physical Review D, 2013, Vol. 87 , No.7 (Abril), 2013-04-23)A search for the decay B0s→D*∓π± is presented using a data sample corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions collected by LHCb. This decay is expected to be mediated by a ... -
First observation of the decays ¯B0(s) → D+sK−π+π− and ¯B0s → Ds1(2536)+π−
(Physical Review D, 2012, Vol. 86 , No.11 (Desembre), 2012-12-20)The first observation of the decays ¯¯¯B0s→D+sK−π+π− and ¯¯¯B0→D+sK−π+π− are reported using an integrated luminosity of 1.0 fb−1 recorded by the LHCb experiment. The branching fractions, normalized ... -
Search for the X(4140) state in B+ → J/ψϕK+ decays
(Physical Review D, 2011, Vol. 85 , No.9 (Maig), 2012-05-04)A search for the X(4140) state in B+→J/ψϕK+ decays is performed with 0.37 fb−1 of pp collisions at √s=7 TeV collected by the LHCb experiment. No evidence for this state is found, in 2.4σ disagreement ... -
Search for CP violation in D+ → K−K+π+ decays
(Physical Review D, 2011, Vol. 84 , No. 11 (Desembre), 2011-12-28)A model-independent search for direct CP violation in the Cabibbo-suppressed decay D+→K−K+π+ in a sample of approximately 370 000 decays is carried out. The data were collected by the LHCb experiment ... -
Searches for Majorana neutrinos in B− decays
(Physical Review D, 2012, Vol. 85 , No.11 (Juny), 2012-06-11)Searches for heavy Majorana neutrinos in B− decays in final states containing hadrons plus a μ−μ− pair have been performed using 0.41 fb−1 of data collected with the LHCb detector in proton-proton ... -
Measurements of the branching fractions and CP asymmetries of B± → J/ψ π± and B± → ψ(2S) π± decays
(Physical Review D, 2012, Vol. 85 , No.9 (Maig), 2012-05-07)A study of B±→J/ψπ± and B±→ψ(2S)π± decays is performed with data corresponding to 0.37 fb−1 of proton-proton collisions at √s=7 TeV. Their branching fractions are found to be B(B±→J/ψπ±)=(3.88±0.11± ...