Browsing IGFAE-Artigos by Title
Now showing items 1-20 of 290
-
An analysis of the impact of LHC Run I proton–lead data on nuclear parton densities
(Springer, 2016-04-21)We report on an analysis of the impact of available experimental data on hard processes in proton–lead collisions during Run I at the large hadron collider on nuclear modifications of parton distribution functions. Our ... -
Angular analysis and differential branching fraction of the decay B 0s → ϕμ + μ −
(Springer, 2015)An angular analysis and a measurement of the differential branching fraction of the decay B 0s → ϕμ + μ − are presented, using data corresponding to an integrated luminosity of 3.0 fb−1 of pp collisions recorded by the ... -
Angular analysis of B0→D∗−D∗+s with D∗+s→D+sγ decays
(Springer, 2021)The first full angular analysis of the B0→D∗−D∗+s decay is performed using 6 fb−1 of pp collision data collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. The D∗+s→D+sγ and D*− → D¯¯¯¯0π− vector meson ... -
Angular analysis of charged and neutral B → Kμ + μ − decays
(Springer, 2014)The angular distributions of the rare decays B + → K + μ + μ − and B0→K0Sμ+μ− are studied with data corresponding to 3fb−1 of integrated luminosity, collected in proton-proton collisions at 7 and 8 TeV centre-of-mass ... -
Angular analysis of the B0 → K*0e+e− decay in the low-q2 region
(Springer, 2015)An angular analysis of the B0 → K*0e+e− decay is performed using a data sample, corresponding to an integrated luminosity of 3.0 fb−1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and ... -
Angular moments of the decay Λ0b → Λμ+μ− at low hadronic recoil
(Springer, 2018)An analysis of the angular distribution of the decay Λ0b → Λμ+μ− is presented, using data collected with the LHCb detector between 2011 and 2016 and corresponding to an integrated luminosity of approximately 5 fb−1. Angular ... -
Anisotropic D3-D5 black holes with unquenched flavors
(Springer, 2018)We construct a black hole geometry generated by the intersection of N c color D3- branes and N f flavor D5-branes along a 2+1 dimensional subspace. Working in the Veneziano limit in which N f is large and distributing ... -
Beauty production in pp collisions at √s=2.76 TeV measured via semi-electronic decays
(Elsevier, 2014)The ALICE Collaboration at the LHC reports measurement of the inclusive production cross section of electrons from semi-leptonic decays of beauty hadrons with rapidity |y| <0.8and transverse momentum 1 <pT<10GeV/c, in pp ... -
Bose enhancement and the ridge
(Elsevier, 2015)We point out that Bose enhancement in a hadronic wave function generically leads to correlations between produced particles. We show explicitly, by calculating the projectile density matrix in the Color Glass Condensate ... -
Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at √s=7 TeV
(Springer, 2017)Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for Bose-Einstein ... -
BPS Skyrmions as neutron stars
(Elsevier, 2015)The BPS Skyrme model has been demonstrated already to provide a physically intriguing and quantita-tively reliable description of nuclear matter. Indeed, the model has both the symmetries and the energy–momentum tensor of ... -
BPS soliton-impurity models and supersymmetry
(Springer, 2019)We find supersymmetric extensions of the half-BPS soliton-impurity models in (1+1) dimensions which preserve half of the N = 1 supersymmetry. This is related to the fact that in the bosonic sector (i.e., the half-BPS ... -
BPS submodels of the Skyrme mode
(Elsevier, 2017-04-05)We show that the standard Skyrme model without pion mass term can be expressed as a sum of two BPS submodels, i.e., of two models whose static field equations, independently, can be reduced to first order equations. Further, ... -
Causality constraints on corrections to the graviton three-point coupling
(Springer, 2016-02-03)We consider higher derivative corrections to the graviton three-point coupling within a weakly coupled theory of gravity. Lorentz invariance allows further structures beyond the one present in the Einstein theory. We ... -
Cavitation effects on the confinement/deconfinement transition
(Elsevier, 2014)Cavitation is a process where the viscous terms in a relativistic fluid result in reducing the effective pres-sure, thus facilitating the nucleation of bubbles of a stable phase. The effect is particularly pronounced in ... -
Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at √s=13 TeV
(Springer, 2018)Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at ... -
Centrality dependence of charged jet production in p–Pb collisions at √sNN= 5.02 TeV
(Springer, 2016)Measurements of charged jet production as a function of centrality are presented for p–Pb collisions recorded at √ sNN = 5.02TeVwith theALICEdetector.Centrality classes are determined via the energy deposit in ... -
Centrality dependence of inclusive J/ψ production in p-Pb collisions at √sNN =5.02 TeV
(Springer, 2015)We present a measurement of inclusive J=ψ production in p-Pb collisions at √ sNN = 5:02TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree Calorimeters. The ... -
Centrality dependence of the pseudorapidity density distribution for charged particles in Pb–Pb collisions at √sNN=5.02 TeV
(Elsevier, 2017)We present the charged-particle pseudorapidity density in Pb–Pb collisions at √sNN=5.02TeVin centrality classes measured by ALICE. The measurement covers a wide pseudorapidity range from −3.5to 5, which is sufficient for ... -
Centrality dependence of ψ(2S) suppression in p-Pb collisions at √sNN=5.02 TeV
(Springer, 2016)The inclusive production of the (2S) charmonium state was studied as a function of centrality in p-Pb collisions at the nucleon-nucleon center of mass energy √sNN = 5.02TeV at the CERN LHC. The measurement was performed ...