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1.
Search for CP violation in Ξ+cpKπ+ decays using model-independent techniques / LHCb Collaboration
A first search for CP violation in the Cabibbo-suppressed Ξ+cpKπ+ decay is performed using both a binned and an unbinned model-independent technique in the Dalitz plot. The studies are based on a sample of proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb1, and collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. [...]
arXiv:2006.03145; CERN-EP-2020-069; LHCb-PAPER-2019-026; LHCB-PAPER-2019-026.- Geneva : CERN, 2020-10-26 - 16 p. - Published in : Eur. Phys. J. C 80 (2020) 986 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP;
2.
Measurement of the shape of the B0sDsμ+νμ differential decay rate / LHCb Collaboration
The shape of the B0sDsμ+νμ differential decay rate is obtained as a function of the hadron recoil using proton-proton collision data at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 1.7 fb1 collected by the LHCb detector. The B0sDsμ+νμ decay is reconstructed through the decays DsDsγ and DsKK+π. [...]
arXiv:2003.08453; LHCb-PAPER-2019-046; CERN-EP-2020-026; LHCB-PAPER-2019-046.- Geneva : CERN, 2020-12-22 - 32 p. - Published in : JHEP 2012 (2020) 144 Article from SCOAP3: PDF; Fulltext: 2003.08453 - PDF; LHCb-PAPER-2019-046 - PDF; Related data files: ZIP; Supplementary material: ZIP;
3.
Search for the lepton flavour violating decay B+K+μτ+ using B0s2 decays / LHCb Collaboration
A search is presented for the lepton flavour violating decay B+K+μτ+ using a sample of proton--proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and corresponding to a total integrated luminosity of 9 fb1. The τ leptons are selected inclusively, primarily via decays with a single charged particle. [...]
arXiv:2003.04352; LHCb-PAPER-2019-043; CERN-EP-2020-020; LHCB-PAPER-2019-043.- Geneva : CERN, 2020-06-22 - 19 p. - Published in : JHEP 2006 (2020) 129 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2019-043 - PDF; 2003.04352 - PDF; Related data file(s): ZIP;
4.
Measurement of CP observables in B±DK± and B±Dπ± with DK0SK±π decays / LHCb Collaboration
Measurements of CP observables in B±DK± and B±Dπ± decays are presented, where D represents a superposition of D0 and ˉD0 states. The D meson is reconstructed in the three-body final state K0SK±π. [...]
arXiv:2002.08858; LHCB-PAPER-2019-044; LHCB-PAPER-2019-044-003; LHCb-PAPER-2019-044; CERN-EP-2020-015; LHCB-PAPER-2019-044.- Geneva : CERN, 2020-06-08 - 26 p. Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP;
5.
Measurement of the branching fraction of the decay B0sK0SK0S / LHCb Collaboration
A measurement of the branching fraction of the decay B0sK0SK0S is performed using proton-proton collision data corresponding to an integrated luminosity of 5 fb1 collected by the LHCb experiment between 2011 and 2016. The branching fraction is determined to beB(B0sK0SK0S)=[8.3±1.6(stat)±0.9(syst)±0.8(norm)±0.3(fs/fd)]×106, where the first uncertainty is statistical, the second is systematic, and the third and fourth are due to uncertainties on the B0ϕK0S branching fraction and the ratio of hadronization fractions fs/fd [...]
arXiv:2002.08229; LHCb-PAPER-2019-030; CERN-EP-2020-008; LHCB-PAPER-2019-030.- Geneva : CERN, 2020-08-01 - 15 p. - Published in : Phys. Rev. D 102 (2020) 012011 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP;
6.
Observation of a new baryon state in the Λ0bπ+π mass spectrum / LHCb Collaboration
A new baryon state is observed in the Λ0bπ+π mass spectrum with high significance using a data sample of pp collisions, collected with the LHCb detector at centre-of-mass energies s=7,8 and 13 TeV, corresponding to an integrated luminosity of 9 fb1. The mass and natural width of the new state are measured to be m=6072.3±2.9±0.6±0.2MeV,Γ=72±11±2MeV, where the first uncertainty is statistical and the second systematic. [...]
arXiv:2002.05112; CERN-EP-2020-013; LHCb-PAPER-2019-045; LHCB-PAPER-2019-045.- Geneva : CERN, 2020-06-23 - 24 p. - Published in : JHEP 2006 (2020) 136 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Strong constraints on the K0Sμ+μ branching fraction / LHCb Collaboration
A search for the decay K0Sμ+μ is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6fb1 and collected with the LHCb experiment during 2016, 2017 and 2018 at a center-of-mass energy of 13TeV. The observed signal yield is consistent with zero, yielding an upper limit of B(K0Sμ+μ)<2.2×1010 at 90% CL. [...]
arXiv:2001.10354; LHCb-PAPER-2019-038; CERN-EP-2019-285; LHCb-PAPER-2019-038 CERN-EP-2019-285.- Geneva : CERN, 2020-12-03 - 10 p. - Published in : Phys. Rev. Lett. 125 (2020) 231801 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Measurement of |Vcb| with B0sD()sμ+νμ decays / LHCb Collaboration
The element |Vcb| of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic B0s decays produced in proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb1. Rates of B0sDsμ+νμ and B0sDsμ+νμ decays are analyzed using hadronic form-factor parametrizations derived either by Caprini, Lellouch and Neubert (CLN) or by Boyd, Grinstein and Lebed (BGL). [...]
arXiv:2001.03225; LHCb-PAPER-2019-041; CERN-EP-2019-282; LHCB-PAPER-2019-041.- Geneva : CERN, 2020-04-21 - 25 p. - Published in : Phys. Rev. D 101 (2020) 072004 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary material: ZIP;
9.
First observation of excited Ωb states / LHCb Collaboration
We report four narrow peaks in the Ξ0bK mass spectrum obtained using pp collisions at center-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated luminosity of 9 fb1 recorded by the LHCb experiment. Referring to these states by their mass, the mass values are m(Ωb(6316))=6315.64±0.31±0.07±0.50MeV,m(Ωb(6330))=6330.30±0.28±0.07±0.50MeV,m(Ωb(6340))=6339.71±0.26±0.05±0.50MeV,m(Ωb(6350))=6349.88±0.35±0.05±0.50MeV,where the uncertainties are statistical, systematic and the last is due to the knowledge of the Ξ0b mass. [...]
arXiv:2001.00851; LHCb-PAPER-2019-042; CERN-EP-2019-278; LHCB-PAPER-2019-042.- Geneva : CERN, 2020-02-26 - 12 p. - Published in : Phys. Rev. Lett. 124 (2020) 082002 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Search for CP violation and observation of P violation in Λ0bpππ+π decays / LHCb Collaboration
A search for CP violation in the Λ0bpππ+π decay is performed using LHCb data corresponding to an integrated luminosity of 6.6fb1 collected in pp collisions at centre-of-mass energies of 7, 8 and 13TeV. The analysis uses both triple product asymmetries and the unbinned energy test method. [...]
arXiv:1912.10741; LHCB-PAPER-2019-028; CERN-EP-2019-256; LHCB-PAPER-2019-028.- Geneva : CERN, 2020-09-09 - 12 p. - Published in : Phys. Rev. D 102 (2020) 051101 Article from SCOAP3: PDF; Fulltext: 1912.10741 - PDF; LHCb-PAPER-2019-028 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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