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Angular analysis of the decay Bs0→ ϕe+e−
(Journal of High Energy Physics. 2025 (069) 2025, 2025-07-03)An angular analysis of the decay Bs0→ ϕe+e− is presented, using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8 and 13 TeV. The ... -
Measurement of the branching fraction ratio RK at large dilepton invariant mass
(Journal of High Energy Physics. 2025 (198) 2025, 2025-07-17)A test of lepton universality between muons and electrons is performed using B+ → K+ℓ+ℓ− decays (where ℓ = e, μ), in the dilepton invariant-mass-squared region above 14.3 GeV2/c4. The data used for the ... -
Measurement of the ψ(2S) to J/ψ cross-section ratio as a function of centrality in PbPb collisions at sNN = 5.02 TeV
(Journal of High Energy Physics. 2025 (235) 2025, 2025-07-23)The ratio of prompt production cross-sections of ψ(2S) and J/ψ mesons in their dimuon final state is measured as a function of centrality, using data collected by the LHCb detector in PbPb collisions ... -
Observation of the decay Bs0→K0pp¯ and measurement of the Bs0→K0pp¯ branching fractions
(Journal of High Energy Physics. 2025 (121) 2025, 2025-07-09)A study of the charmless baryonic decays is presented, where denotes either a B0 or a meson. The analysis is based on proton-proton collision data collected by the LHCb experiment at centre-of-mass ... -
Three-pion Bose-Einstein correlations measured in proton-proton collisions
(Journal of High Energy Physics, 2025, 174 (2025), 2025-08-21)A study on the Bose-Einstein correlations for triplets of same-sign pions is presented. The analysis is performed using proton-proton collisions at a centre-of-mass energy of = 7 TeV, recorded by the ... -
Paisajes rurales y energías renovables. Un patrimonio cultural bajo amenaza
(Revista PH, 2021. Nº 104, 2021)Como consecuencia de la transición energética, los paisajes rurales de nuestro país se están viendo amenazados por macroproyectos de energías renovables, promovidos por empresas ajenas al territorio. El ... -
Search for the lepton-flavour-violating decays B0→ K*0τ±e∓
(Journal of High Energy Physics, 2025, 172 (2025), 2025-11-26)A first search at LHCb for the lepton-flavour-violating decays B0 → K*0τ±e∓ is presented. The analysis is performed using a sample of proton-proton collision data, collected with the LHCb detector at a ... -
Analysis of Λ0b→ pK−μ+μ− decays
(Journal of High Energy Physics, 2024, 147 (2024), 2024-12-19)The differential branching fraction and angular coefficients of Λ0b → pK−μ+μ− decays are measured in bins of the dimuon mass squared and dihadron mass. The analysis is performed using a data set ... -
Search for the decay B0→ ϕϕ
(Journal of High Energy Physics, 2025, 26 (2025), 2025-12-03)A search for the decay B0→ ϕϕ is made using pp collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No ... -
First day of class activities to promote interaction and engage students in a management subject of a university Physical Education program: A case study
(Retos: Nuevas tendencias en Educación fisica, deportes y recreación. 2025, Vol. 67, 2025-06) -
Measurement of ψ(2S) to J/ψ cross-section ratio as function of multiplicity in pPb collisions at sNN=8.16 TeV
(Journal of High Energy Physics, 2025, 169 (2025), 2025-11-26)The production ratio of ψ(2S) to J/ψ charmonium states is presented as a function of multiplicity in proton-lead collisions at a centre-of-mass energy of sNN=8.16 TeV, for both prompt and nonprompt ... -
Inclusive B-meson flavour-tagging algorithm at LHCb
(Journal of High Energy Physics, 2025, 41(2025), 2025-11-10)A new algorithm is developed to identify the flavour of neutral B mesons at production in pp collisions by utilising all tracks from the hadronisation process. The algorithm is calibrated separately for ... -
Coherent photoproduction of ρ0, ω and excited vector mesons in ultraperipheral PbPb collisions
(Journal of High Energy Physics, 2025, 103 (2025), 2025-11-18)The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of 224.6 ± 9.6μb−1, ... -
Updated measurement of CP violation and polarisation in Bs0→J/ψK¯∗8920 decays
(Journal of High Energy Physics, 2025, 173 (2025), 2025-10-21)A time-integrated angular analysis of the decay Bs0→J/ψK¯∗8920, with J/ψ → μ+μ− and K¯∗8920→K−π+, is presented. The analysis employs a sample of proton-proton collision data collected by the LHCb ... -
Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at sNN=8.16 TeV
(Journal of High Energy Physics, 2025, 124 (2025), 2025-10-15)The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in pPb collisions in the pseudorapidity range 2.0 < |η| < 4.8. The data sample was collected ... -
Observation of the doubly-charmed-baryon decay Ξcc++→Ξc0π+π+
(Journal of High Energy Physics, 2025, 136 (2025), 2025-10-16)A search for the doubly-charmed-baryon decay Ξcc++→Ξc0π+π+ is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV and corresponding to an ... -
Measurements of charmed meson and antimeson production asymmetries at s=13.6 TeV
(Journal of High Energy Physics, 2025, 50 (2025), 2025-10-07)This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anti-charm quark in proton-proton collisions ... -
Measurement of branching fractions and CP asymmetries in Λb0Ξb0→pKS0h− decays
(Journal of High Energy Physics, 2025, 169 (2025), 2025-10-21)A study of Λb0 and Ξb0 baryon decays to the final states pKS0π− and pKS0K− is performed using pp collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The ... -
Improved measurement of η/η′ mixing in Bs0→J/ψη′ decays
(Journal of High Energy Physics, 2025, 113 (2025), 2025-10-14)Branching fraction ratios between the decays Bs0→J/ψη′ are measured using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to ... -
Measurement of the Ωc0 and Ξc0 baryon lifetimes using hadronic b-baryon decays
(Journal of High Energy Physics, 2025, 157 (2025), 2025-09-18)The lifetimes of the Ωc0 and Ξc0 baryons are measured using a pp collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The charm baryons are produced ...