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1.
Search for prompt production of pentaquarks in charm hadron final states / LHCb Collaboration
A search for hidden-charm pentaquark states decaying to a range of ΣcˉD and Λ+cˉD final states, as well as doubly-charmed pentaquark states to ΣcD and Λ+cD, is made using samples of proton-proton collision data corresponding to an integrated luminosity of 5.7fb1 recorded by the LHCb detector at s=13TeV. Since no significant signals are found, upper limits are set on the pentaquark yields relative to that of the Λ+c baryon in the Λ+cpKπ+ decay mode. [...]
arXiv:2404.07131; LHCb-PAPER-2023-018; CERN-EP-2024-071; LHCB-PAPER-2023-018.- Geneva : CERN, 2024-08-01 - 19 p. - Published in : Phys. Rev. D 110 (2024) 032001 Fulltext: 2404.07131 - PDF; LHCb-PAPER-2023-018 - PDF; Publication - PDF; Related data file(s): ZIP; Supplementary information: PDF;
2.
Observation and branching fraction measurement of the decay ΞbΛ0bπ / LHCb Collaboration
The decay ΞbΛ0bπ is observed using a proton-proton collision data sample collected at center-of-mass energy s=13 TeV with the LHCb detector, corresponding to an integrated luminosity of 5.5 fb1. This process is mediated by the suˉud quark-level transition, where the b quark in the Ξb baryon is a spectator in the decay. [...]
arXiv:2307.09427; LHCb-PAPER-2023-015; CERN-EP-2023-116; LHCB-PAPER-2023-015.- Geneva : CERN, 2023-10-01 - 16 p. - Published in : Phys. Rev. D 108 (2023) 072002 Fulltext: 2307.09427 - PDF; Publication - PDF; Xib2LbPi_2023_14Aug2023 - PDF; External link: Previous draft version
3.
Amplitude analysis of the Λ0bpKγ decay / LHCb Collaboration
The resonant structure of the radiative decay Λ0bpKγ in the region of proton-kaon invariant-mass up to 2.5 GeV/c2 is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb1. Results are given in terms of fit and interference fractions between the different components contributing to this final state. [...]
arXiv:2403.03710; LHCb-PAPER-2023-036; CERN-EP-2023-253; LHCB-PAPER-2023-036.- Geneva : CERN, 2024-06-18 - 39 p.
Fulltext: 2403.03710 - PDF; LHCb-PAPER-2023-036 - PDF; document - PDF; Related data file(s): ZIP; External link: Previous draft version
4.
Modification of χc1(3872) and ψ(2S) production in pPb collisions at sNN=8.16 TeV / LHCb Collaboration
The LHCb collaboration measures production of the exotic hadron χc1(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium state ψ(2S) suggests that the exotic χc1(3872) experiences different dynamics in the nuclear medium than conventional hadrons, and comparison with data from proton-proton collisions indicates that the presence of the nucleus may modify χc1(3872) production rates. [...]
arXiv:2402.14975; LHCb-PAPER-2023-026; CERN-EP-2024-033.- 2024-06-13 - 20 p. - Published in : Phys. Rev. Lett. 132 (2024) 242301 Fulltext: 2402.14975 - PDF; Publication - PDF;
5.
Measurement of the Z boson production cross-section in pp collisions at s=5.02 TeV / LHCb Collaboration
The first measurement of the Z boson production cross-section at centre-of-mass energy s=5.02TeV in the forward region is reported, using pp collision data collected by the LHCb experiment in year 2017, corresponding to an integrated luminosity of 100±2pb1. The production cross-section is measured for final-state muons in the pseudorapidity range 2.0<η<4.5 with transverse momentum pT>20GeV/c. [...]
arXiv:2308.12940; LHCb-PAPER-2023-010; CERN-EP-2023-141; LHCB-PAPER-2023-010.- Geneva : CERN, 2024-02-13 - 38 p. - Published in : JHEP 2402 (2024) 070 Fulltext: 2308.12940 - PDF; LHCb-PAPER-2023-010 - PDF; Publication - PDF; Related data file(s): ZIP;
6.
Measurements of the branching fraction ratio B(ϕμ+μ)/B(ϕe+e) with charm meson decays / LHCb Collaboration
Measurements of the branching fraction ratio B(ϕμ+μ)/B(ϕe+e) with D+sπ+ϕ and D+π+ϕ decays, denoted Rsϕπ and Rdϕπ, are presented. The analysis is performed using a dataset corresponding to an integrated luminosity of 5.4fb1 of pp collision data collected with the LHCb experiment. [...]
arXiv:2402.01336; LHCb-PAPER-2023-038; CERN-EP-2024-001; LHCB-PAPER-2023-038.- Geneva : CERN, 2024-05-24 - 25 p. - Published in : JHEP 2405 (2024) 293 Fulltext: LHCb-PAPER-2023-38_arXiv - PDF; document - PDF; 2402.01336 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Measurement of the CKM angle γ using the B±Dh± channels / LHCb Collaboration
A measurement of the CP-violating observables from B±DK± and B±Dπ± decays is presented, where D(D) is an admixture of D0 and ˉD0 (D0 and ˉD0) states and is reconstructed through the decay chains DDπ0/γ and DK0Sπ+π/K0SK+K. The measurement is performed by analysing the signal yield variation across the D decay phase space and is independent of any amplitude model. [...]
arXiv:2310.04277; LHCb-PAPER-2023-012; CERN-EP-2023-170.- Geneva : CERN, 2023-12-01 - 32 p. - Published in : JHEP 2312 (2023) 13 Fulltext: 2310.04277 - PDF; document - PDF; Publication - PDF; latex_B2Dsth_JHEP - PDF; Related data file(s): ZIP;
8.
Prompt and nonprompt ψ(2S) production in pPb collisions at sNN=8.16 TeV / LHCb Collaboration
The production of ψ(2S) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of sNN=8.16 TeV is studied with the LHCb detector using data corresponding to an integrated luminosity of 34 nb1. The prompt and nonprompt ψ(2S) production cross-sections and the ratio of the ψ(2S) to J/ψ cross-section are measured as a function of the meson transverse momentum and rapidity in the nucleon-nucleon centre-of-mass frame, together with forward-to-backward ratios and nuclear modification factors. [...]
arXiv:2401.11342; LHCb-PAPER-2023-024; CERN-EP-2023-293.- Geneva : CERN, 2024-04-19 - 55 p. - Published in : JHEP 2404 (2024) 111 Fulltext: 2401.11342 - PDF; document - PDF; Related data file(s): ZIP;
9.
Multiplicity dependence of σψ(2S)J/ψ in pp collisions at s = 13 TeV / LHCb Collaboration
The ratio of production cross-sections of ψ(2S) over J/ψ mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy s=13 TeV is measured with a data sample collected by the LHCb detector, corresponding to an integrated luminosity of 658 pb1. The ratio is measured for both prompt and non-prompt ψ(2S) and J/ψ mesons. [...]
arXiv:2312.15201; LHCb-PAPER-2023-035; CERN-EP-2023-277.- 2024-05-22 - 32 p. - Published in : JHEP 2405 (2024) 243 Fulltext: document - PDF; 2312.15201 - PDF;
10.
Amplitude analysis of the B0K0μ+μ decay / LHCb Collaboration
An amplitude analysis of the B0K0μ+μ decay is presented using a dataset corresponding to an integrated luminosity of 4.7 fb1 of pp collision data collected with the LHCb experiment. For the first time, the coefficients associated to short-distance physics effects, sensitive to processes beyond the Standard Model, are extracted directly from the data through a q2-unbinned amplitude analysis, where q2 is the μ+μ invariant mass squared. [...]
arXiv:2312.09115; LHCb-PAPER-2023-033; CERN-EP-2023-273.- Geneva : CERN, 2024-03-28 - 13 p. - Published in : Phys. Rev. Lett. 132 (2024) 131801 Fulltext: 2312.09115 - PDF; Publication - PDF; LHCb-PAPER-2023-033 - PDF; Related data file(s): ZIP;

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21 Braun, S
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66 Braun, S.
3 Braun, Simon
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