Articles publicats en revistes: Envíos recientes
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Search for direct CP violation in D0 → h−h+ modes using semileptonic B decays
(Physics Letters B, 2013, Vol. 723, No. 1-3 (Juny), 2013-06-10)A search for direct CP violation in D0 -> h- h+ (where h=K or pi) is presented using data corresponding to an integrated luminosity of 1.0 fb^-1 collected in 2011 by LHCb in pp collisions at a centre-of-mass ... -
Measurement of the D+s − D−s production asymmetry in 7 TeV pp collisions
(Physics Letters B, 2012, Vol. 713, No. 3, (Juliol), 2012-07-09)Heavy quark production in 7 TeV centre-of-mass energy pp collisions at the LHC is not necessarily flavour symmetric. The production asymmetry, A_P, between Ds+ and Ds- mesons is studied using the ... -
Measurement of the B0s→J/ψK0S branching fraction
(Physics Letters B, 2012, Vol. 713, No. 3, (Juliol), 2012-07-09)The B0s→J/ψK0S branching fraction is measured in a data sample corresponding to 0.41 fb−1 of integrated luminosity collected with the LHCb detector at the LHC. This channel is sensitive tothe penguin ... -
Measurement of the polarization amplitudes and triple product asymmetries in the B s 0 → ϕ ϕ decay
(Physics Letters B, 2012, Vo. 713, No. 4-5 (Juliol 2012), 2012-07-18)Using 1.0 fb^{-1} of pp collision data collected at a centre-of-mass energy of sqrt{s}=7 TeV with the LHCb detector, measurements of the polarization amplitudes, strong phase difference and triple product ... -
First observation of the decay B¯0s→D0K∗0 and a measurement of the ratio of branching fractions B(B¯0s→D0K∗0)/B(B¯0→D0ρ0)
(Physics Letters B, Vol. 706, No. 1 (Novembre 2011), 2011-11-30)The first observation of the decay B¯s0→D0K⁎0 using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb−1 , is reported. A ... -
First observation of the decay B0s→K∗0K∗0
(Physics Letters B, 2012,Vol. 709, No. 1-2 (Març 2012), 2012-03-13)The first observation of the decay $\kstarkstar$ is reported using 35\invpb of data collected by LHCb in proton-proton collisions at a centre-of-mass energy of 7 TeV. A total of $49.8 \pm 7.5$ $B^0_s ... -
Measurement of the CP-violating phase φs in B0s→J/ψπ+π− decays
(Physics Letters B, 2012, Vol. 713, No. 4-5 (Juliol), 2012-07-18)Measurement of the mixing-induced CP-violating phase phi_s in Bs decays is of prime importance in probing new physics. Here 7421 +/- 105 signal events from the dominantly CP-odd final state J/\psi pi+ ... -
Measurement of the D± production asymmetry in 7 TeV pp collisions
(Physics Letters B, 2013, Vol. 718, No. 3 (Gener 2013), 2013-01-08)The asymmetry in the production cross-section \sigma of D+/- mesons, A_P = (\sigma(D+) - \sigma(D-))/(\sigma(D+) + \sigma(D-)), is measured in bins of pseudorapidity \eta and transverse momentum p_T ... -
Observation of the decay B0s→D0φ
(Physics Letters B, 2013, Vol. 727, No. 4-5 (Desembre 2013), 2013-12)First observation of the decayB0s→D0φis reported usingppcollision data, corresponding to an inte-grated luminosity of 1.0 fb−1, collected by the LHCb experiment at a centre-of-mass energy of 7 TeV. ... -
Measurement of the cross-section ratio σ(χc2)/σ(χc1) for prompt χc production at √s=7TeV
(Physics Letters, 2012, Vol. 714, No. 2-5 (Agost), 2012-08-14)The prompt production of the charmonium $\chi_{c1}$ and $\chi_{c2}$ mesons has been studied in proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7$ TeV. The ... -
High performance Web-of-Things architecture for the smart grid domain
(International Journal of Distributed Sensor Networks. 2015, 2015-12)The increasing complexity in the management of Smart Grids is an essential factor in the creation of new technological infrastructures capable of managing the different devices involved in the network. ... -
Nonuniform Overlapping Method in Designing Microstrip Patch Antennas Using Genetic Algorithm Optimization
(International Journal of Antennas and Propagation. 2015, 2015-01)Genetic algorithm (GA) has been a popular optimization technique used for performance improvement of microstrip patch antennas (MPAs).When using GA, the patch geometry is optimized by dividing the patch ... -
A Genetic QoS-Aware Routing Protocol for the Smart Electricity Networks
(International Journal of Distributed Sensor Networks. 2013., 2013-09)This paper presents a QoS-aware routing protocol suitable for distribution of smart electricity grids based on heterogeneous machine to machine communications. The distribution Smart Grid needs high ... -
Contiguous Frequency-Time Resource Allocation andScheduling for Wireless OFDMA Systems with QoS Support
(EURASIP Journal on Wireless Communications and Networking, 2009., 2009-04)The orthogonal frequency division multiple access (OFDMA) scheme has been selected as a potential candidate for many emerging broadband wireless access standards. In this paper, a new joint scheduling ... -
Advances in Antenna Technology for Wireless Handheld Devices
(International Journal of Antennas and Propagation. 2013, 2013-01)The constant evolution of wireless handheld devices together with the apparition of multiple wireless communication systemsfosters the antenna community to design new radiating and measurements systems ... -
Measurement of the effective B0s → K+K- lifetime
(Physics Letters B, Vol. 716, No. 3-5, (Octubre 2012), 2012-10-02)A precise determination of the effectiveB0s→K+K−lifetime can be used to con-strain contributions from physics beyond the Standard Model in theB0smesonsystem. Conventional approaches selectBmeson ... -
Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV.
(Physics Letters B, Vol. 703, No. 3 (Setembre 2011), 2011-07)The cross-section for inclusive Φ meson production in pp collisions at a centre-of-mass energy of s=7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section ... -
Concentrated Ground Plane Booster Antenna Technology for Multiband Operation in Handset Devices
(Radioengineering, 2014. Vol. 23, 4 (Desembre), 2014-12)The current demand in the handset antenna field requires multiband antennas due to the existence of multi-ple communication standards and the emergence of new ones. At the same time, ... -
Genetic Algorithm Optimization of a High-Directivity Microstrip Patch Antenna Having a Rectangular Profile
(Radioengineering, 2013. Vol. 22, 3 Setembre, 2013-09)A single high-directivity microstrip patch antenna (MPA) having a rectangular profile, which can substitute a linear array is proposed. It is designed by using genetic algorithms with the advantage of ... -
Slotted Circularly Polarized Microstrip Antenna for RFID Application
(Radioengineering, 2017, Vol. 26, 4 (Desembre), 2017-12)A single layer coaxial fed rectangular microstrip slotted antenna for circular polarization (CP) is proposed for radio frequency identification (RFID) application. Two triangular shaped slots and one ...