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1.
Centrality determination in heavy-ion collisions with the LHCb detector / LHCb Collaboration
The centrality of heavy-ion collisions is directly related to the medium created therein. A procedure to determine the centrality of collisions with the LHCb detector is implemented for lead-lead collisions at sNN=5TeV and lead-neon fixed-target collisions at sNN=69GeV. [...]
arXiv:2111.01607; CERN-LHCb-DP-2021-002.- 2022-05-05 - 31 p. - Published in : JINST 17 (2022) P05009 Fulltext: 2111.01607 - PDF; document - PDF;
2.
Search for massive long-lived particles decaying semileptonically at s=13 TeV / LHCb Collaboration
A search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. [...]
arXiv:2110.07293; LHCb-PAPER-2021-028; CERN-EP-2021-186; LHCB-PAPER-2021-028.- Geneva : CERN, 2022-04-28 - 31 p. - Published in : Eur. Phys. J. C 82 (2022) 373 Fulltext: 2110.07293 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
3.
Observation of Two New Excited Ξ0b States Decaying to Λ0bKπ+ / LHCb Collaboration
Two narrow resonant states are observed in the Λ0bKπ+ mass spectrum using a data sample of proton-proton collisions at a center-of-mass energy of 13TeV, collected by the LHCb experiment and corresponding to an integrated luminosity of 6 fb1. The minimal quark content of the Λ0bKπ+ system indicates that these are excited Ξ0b baryons. [...]
arXiv:2110.04497; LHCb-PAPER-2021-025; CERN-EP-2021-188; LHCB-PAPER-2021-025.- Geneva : CERN, 2022-04-21 - 20 p. - Published in : Phys. Rev. Lett. 128 (2022) 162001 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
4.
Observation of the suppressed Λ0bDpK decay with DK+π and measurement of its CP asymmetry / LHCb Collaboration
A study of Λ0b baryon decays to the DpK final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9fb1 collected with the LHCb detector. Two Λ0b decays are considered, Λ0bDpK with DKπ+ and DK+π, where D represents a superposition of D0 and ¯D0 states. [...]
arXiv:2109.02621; LHCb-PAPER-2021-027; CERN-EP-2021-179; LHCB-PAPER-2021-027.- 2021-12-01 - 14 p. - Published in : Phys. Rev. D 104 (2021) 112008 Fulltext: 2109.02621 - PDF; LHCb-PAPER-2021-027 - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP;
5.
Search for the doubly charmed baryon Ξ+cc in the Ξ+cππ+ final state / LHCb Collaboration
A search for the doubly charmed baryon Ξ+cc is performed in the Ξ+cππ+ invariant-mass spectrum, where the Ξ+c baryon is reconstructed in the pKπ+ final state. The study uses proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 13TeV, corresponding to a total integrated luminosity of 5.4fb1. [...]
arXiv:2109.07292; LHCb-PAPER-2021-019; CERN-EP-2021-155; LHCB-PAPER-2021-019.- Geneva : CERN, 2021-12-16 - 27 p. - Published in : JHEP 2112 (2021) 107 Fulltext: 2109.07292 - PDF; document - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
6.
Measurement of χc1(3872) production in proton-proton collisions at s=8 and 13 TeVMeasurement of χc1(3872) production in proton-proton collisions at s = 8 and 13 TeV / LHCb Collaboration
The production cross-section of the χc1(3872) state relative to the ψ(2S) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of s=8 and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb1, respectively. The two mesons are reconstructed in the J/ψπ+π final state. [...]
arXiv:2109.07360; LHCb-PAPER-2021-026; CERN-EP-2021-182; LHCB-PAPER-2021-026.- Geneva : CERN, 2022-01-24 - 27 p. - Published in : JHEP 01 (2022) 131 Fulltext: 2109.07360 - PDF; document - PDF; Related data file(s): ZIP;
7.
Measurement of the W boson mass / LHCb Collaboration
The W boson mass is measured using proton-proton collision data at s=13 TeV corresponding to an integrated luminosity of 1.7 fb1 recorded during 2016 by the LHCb experiment. With a simultaneous fit of the muon q/pT distribution of a sample of Wμν decays and the ϕ distribution of a sample of Zμμ decays the W boson mass is determined to be mW=80354±23stat±10exp±17theory±9PDF MeV, where uncertainties correspond to contributions from statistical, experimental systematic, theoretical and parton distribution function sources. [...]
arXiv:2109.01113; LHCb-PAPER-2021-024; CERN-EP-2021-170; LHCB-PAPER-2021-024.- Geneva : CERN, 2022-01-10 - 36 p. - Published in : JHEP 2201 (2022) 036 Fulltext: 2109.01113 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Measurement of J/ψ production cross-sections in pp collisions at s=5 TeV / LHCb Collaboration
The production cross-sections of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of s=5 TeV are measured using a data sample corresponding to an integrated luminosity of 9.13±0.18 pb1, collected by the LHCb experiment. The cross-sections are measured differentially as a function of transverse momentum, pT, and rapidity, y, and separately for J/ψ mesons produced promptly and from beauty hadron decays (nonprompt). [...]
arXiv:2109.00220; LHCb-PAPER-2021-020; CERN-EP-2021-156; LHCB-PAPER-2021-020.- Geneva : CERN, 2021 - 34 p. - Published in : JHEP 2111 (2021) 181 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
9.
Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in pPb and pp Collisions at sNN=5  TeV / LHCb Collaboration
The production of prompt charged particles in proton-lead collisions and in proton-proton collisions at the nucleon-nucleon centre-of-mass energy sNN=5TeV is studied at LHCb as a function of pseudorapidity (η) and transverse momentum (pT) with respect to the proton beam direction. The nuclear modification factor for charged particles is determined as a function of η between 4.8<η<2.5 (backward region) and 2.0<η<4.8 (forward region), and pT between 0.2<pT<8.0GeV/c. [...]
arXiv:2108.13115; LHCb-PAPER-2021-015; CERN-EP-2021-130; LHCB-PAPER-2021-015.- Geneva : CERN, 2022-04-07 - 12 p. - Published in : Phys. Rev. Lett. 128 (2022) 142004 Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Measurement of the B0sμ+μ decay properties and search for the B0μ+μ and B0sμ+μγ decays / LHCb Collaboration
An improved measurement of the decay B0sμ+μ and searches for the decays B0μ+μ and B0sμ+μγ are performed at the LHCb experiment using data collected in proton-proton collisions at s=7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2 and 6 fb1, respectively. The B0sμ+μ branching fraction and effective lifetime are measured to be B(B0sμ+μ)=(3.09+0.46+0.150.430.11)×109 and τ(B0sμ+μ)=(2.07±0.29±0.03) ps, respectively, where the uncertainties include both statistical and systematic contributions. [...]
arXiv:2108.09283; CERN-EP-2021-133; LHCb-PAPER-2021-008; LHCB-PAPER-2021-008.- 2022-01-01 - 52 p. - Published in : Phys. Rev. D 105 (2022) 012010 Fulltext: PhysRevD.105.012010 - PDF; 2108.09283 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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