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1.
First measurement of Zμ+μ angular coefficients in the forward region of pp collisions at s=13 TeV / LHCb Collaboration
The first study of the angular distribution of μ+μ pairs produced in the forward rapidity region via the Drell-Yan reaction ppγ/Z+Xl+l+X is presented, using data collected with the LHCb detector at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.1 fb1. The coefficients of the five leading terms in the angular distribution are determined as a function of the dimuon transverse momentum and rapidity. [...]
arXiv:2203.01602; LHCb-PAPER-2021-048; CERN-EP-2022-030; LHCB-PAPER-2021-048.- 2022-08-24 - 11 p. - Published in : Phys. Rev. Lett. 129 (2022) 091801 Fulltext: PDF; Related data file(s): ZIP; External link: Previous draft version
2.
Direct CP violation in charmless three-body decays of B± mesons / LHCb Collaboration
Measurements of CP asymmetries in charmless three-body decays of B± mesons are reported using proton-proton collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.9fb1. The previously observed CP asymmetry in B±π±K+K decays is confirmed, and CP asymmetries are observed with a significance of more than five standard deviations in the B±π±π+π and B±K±K+K decays, while the CP asymmetry of B±K±π+π decays is confirmed to be compatible with zero. [...]
arXiv:2206.07622; LHCb-PAPER-2021-049; CERN-EP-2022-100.- Geneva : CERN, 2023-07-01 - 17 p. - Published in : Phys. Rev. D 108 (2023) 012008 Fulltext: 2206.07622 - PDF; LHCb-PAPER-2021-049 - PDF; Publication - PDF; LHCb-PAPER-2021-049-supplementary - ZIP; Related data file(s): ZIP;
3.
Search for direct CP violation in charged charmless BPV decays / LHCb Collaboration
Measurements of CP asymmetry in charmless BPV decays are presented, where P and V denote a pseudoscalar and a vector meson, respectively. Five different BPV decays from four final states, B±π±π+π, B±K±π+π, B±K±K+K and B±π±K+K are analised. [...]
arXiv:2206.02038; LHCb-PAPER-2021-050; CERN-EP-2022-101.- Geneva : CERN, 2023-07-01 - 13 p. - Published in : Phys. Rev. D 108 (2023) 012013 Fulltext: 2206.02038 - PDF; LHCb-PAPER-2021-050 - PDF; Publication - PDF; Related data file(s): ZIP;
4.
Measurement of CP asymmetries in D+(s)ηπ+ and D+(s)ηπ+ decays / LHCb Collaboration
Searches for CP violation in the decays D+(s)ηπ+ and D+(s)ηπ+ are performed using pp collision data corresponding to 6 fb1 of integrated luminosity collected by the LHCb experiment. The calibration channels D+(s)ϕπ+ are used to remove production and detection asymmetries. [...]
arXiv:2204.12228; CERN-EP-2022-035; LHCb-PAPER-2021-051.- 2023-04-18 - 16 p. - Published in : JHEP 04 (2023) 081 Fulltext: 2204.12228 - PDF; document - PDF; Related data file(s): ZIP;
5.
Observation of sizeable ω contribution to χc1(3872)π+πJ/ψ decays / LHCb Collaboration
Resonant structures in the dipion mass spectrum from χc1(3872)π+πJ/ψ decays, produced via B+K+χc1(3872) decays, are analyzed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb1. A sizeable contribution from the isospin conserving χc1(3872)ωJ/ψ decay is established for the first time, (21.4±2.3±2.0)%, with a significance of more than 7.1σ. [...]
arXiv:2204.12597; LHCb-PAPER-2021-045; CERN-EP-2022-049.- Geneva : CERN, 2023-07-01 - 12 p. - Published in : Phys. Rev. D 108 (2023) L011103 Fulltext: 2204.12597 - PDF; Publication - PDF; LHCb-PAPER-2021-045 - PDF; Related data file(s): ZIP;
6.
Nuclear modification factor of neutral pions in the forward and backward regions in pPb collisions / LHCb Collaboration
The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of 8.16 TeV with the LHCb detector. The π0 production cross section is measured differentially in transverse momentum (pT) for 1.5<pT<10.0 GeV and in center-of-mass pseudorapidity (ηCM) regions 2.5<ηCM<3.5 (forward) and 4.0<ηCM<3.0 (backward) defined relative to the proton beam direction. [...]
arXiv:2204.10608; LHCb-PAPER-2021-053; CERN-EP-2022-050.- Geneva : CERN, 2023-07-24 - 14 p. - Published in : Phys. Rev. Lett. 131 (2023) 042302 Fulltext: Publication - PDF; LHCb-PAPER-2021-053 - PDF; 2204.10608 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Measurement of the charm mixing parameter yCPyKπCP using two-body D0 meson decays / LHCb Collaboration
A measurement of the ratios of the effective decay widths of D0ππ+ and D0KK+ decays over that of D0Kπ+ decays is performed with the LHCb experiment using proton-proton collisions at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 6fb1. These observables give access to the charm mixing parameters yππCPyKπCP and yKKCPyKπCP, and are measured as yππCPyKπCP=(6.57±0.53±0.16)×103, yKKCPyKπCP=(7.08±0.30±0.14)×103, where the first uncertainties are statistical and the second systematic. [...]
arXiv:2202.09106; LHCb-PAPER-2021-041; CERN-EP-2022-022; LHCB-PAPER-2021-041.- 2022-05-01 - 27 p. - Published in : Phys. Rev. D 105 (2022) 092013 Fulltext: PhysRevD.105.092013 - PDF; 2202.09106 - PDF; LHCb-PAPER-2021-041 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Observation of the doubly charmed baryon decay Ξ++ccΞ+cπ+ / LHCb Collaboration
The Ξ++ccΞ+cπ+ decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.4fb1. The Ξ++ccΞ+cπ+ decay is reconstructed partially, where the photon from the Ξ+cΞ+cγ decay is not reconstructed and the pKπ+ final state of the Ξ+c baryon is employed. [...]
arXiv:2202.05648; LHCb-PAPER-2021-052; CERN-EP-2022-016.- 2022-05-06 - 19 p. - Published in : JHEP 2205 (2022) 038 Fulltext: LHCb-PAPER-2021-052_to_arXiv_ - PDF; document - PDF; 2202.05648 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
9.
Study of charmonium and charmonium-like contributions in B+J/ψηK+ decays / LHCb Collaboration
A study of B+J/ψηK+ decays, followed by J/ψμ+μ and ηγγ, is performed using a dataset collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb1. The J/ψη mass spectrum is investigated for contributions from charmonia and charmonium-like states. [...]
arXiv:2202.04045; CERN-EP-2022-009; LHCb-PAPER-2021-047; LHCB-PAPER-2021-047.- Geneva : CERN, 2022-04 - 31 p. - Published in : JHEP 2020 (2022) 046 Fulltext: PDF; Related data file(s): LHCb-PAPER-2021-047-figures - ZIP; LHCb-PAPER-2021-047 - PDF;
10.
Search for the decay B0ϕμ+μ / LHCb Collaboration
A search for the decay B0ϕμ+μ is performed using proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV collected by the LHCb experiment and corresponding to an integrated luminosity of 9 fb1. No evidence for the B0ϕμ+μ decay is found and an upper limit on the branching fraction, excluding the ϕ and charmonium regions in the dimuon spectrum, of 4.4×103 at a 90% credibility level, relative to that of the B0sϕμ+μ decay, is established. [...]
arXiv:2201.10167; LHCb-PAPER-2021-042; CERN-EP-2021-267.- 2022 - 21 p. - Published in : 10.1007/JHEP05(2022)067 Fulltext: PDF;

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