CERN Accelerating science

CERN Document Server Намерени са 594 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.55 секунди. 
1.
First measurement of the CP-violating phase in B0sJ/ψ(e+e)ϕ decays / LHCb Collaboration
A flavour-tagged time-dependent angular analysis of B0sJ/ψϕ decays is presented where the J/ψ meson is reconstructed through its decay to an e+e pair. The analysis uses a sample of pp collision data recorded with the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb1. [...]
arXiv:2105.14738; LHCb-PAPER-2020-042; CERN-EP-2021-064; LHCB-PAPER-2020-042.- Geneva : CERN, 2021-11-24 - 28 p. - Published in : Eur. Phys. J. C 81 (2021) 1026 Fulltext: 2105.14738 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
2.
Spectroscopy in Beauty Decays at the LHCb Experiment / LHCb Collaboration
The beauty hadron decays is unique laboratory to study charmonium and charmonium-like states, such as the χc1(3872) meson, other exotic states and the tensor D-wave Ψ2(3823) states. However the nature of many exotic charmonium-like candidates are still unknown. [...]
arXiv:2103.04453; LHCb-PROC-2021-006; CERN-LHCb-PROC-2021-006; CERN-LHCb-PROC-2021-006.- Geneva : CERN, 2021 - 7 p. - Published in : Acta Phys. Pol. B 52 (2021) 1047 Fulltext: document - PDF; 2103.04453 - PDF; LHCb-PROC-2021-006 - PDF;
In : XXVII Cracow Epiphany Conference on Future of particle physics (Epiphany2021), Online, Poland, 7 - 10 Jan 2021, pp.1047
3.
Observation of the B0sD±D decay / LHCb Collaboration
A search for the B0sD±D decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13TeV collected by the LHCb experiment, corresponding to an integrated luminosity of 9fb1. The decay is observed with a high significance and its branching fraction relative to the B0D±D decay is measured to be B(B0sD±D)B(B0D±D)=0.137±0.017±0.002±0.006, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the B0s and B0 hadronisation fractions..
arXiv:2012.11341; LHCb-PAPER-2020-037; CERN-EP-2020-230.- 2021-03-09 - 19 p. - Published in : JHEP 2103 (2021) 099 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
4.
Observation of CP violation in two-body B0(s)-meson decays to charged pions and kaons / LHCb Collaboration
The time-dependent CP asymmetries of B0π+π and B0sK+K decays are measured using a data sample of pp collisions corresponding to an integrated luminosity of 1.9 fb1, collected with the LHCb detector at a centre-of-mass energy of 13 TeV. The results are Cππ=0.311±0.045±0.015,Sππ=0.706±0.042±0.013,CKK=0.164±0.034±0.014,SKK=0.123±0.034±0.015,AΔΓKK=0.830±0.050±0.09, where the first uncertainties are statistical and the second systematic. [...]
arXiv:2012.05319; LHCb-PAPER-2020-029; CERN-EP-2020-215; LHCB-PAPER-2020-029.- Geneva : CERN, 2021-03-08 - 43 p. - Published in : JHEP 2103 (2021) 075 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary material: ZIP; External link: Previous draft version
5.
First observation of the decay B0sKμ+νμ and measurement of |Vub|/|Vcb| / LHCb Collaboration
The first observation of the suppressed semileptonic B0sKμ+νμ decay is reported. Using a data sample recorded in pp collisions in 2012 with the LHCb detector, corresponding to an integrated luminosity of 2 fb1, the branching fraction B(B0sKμ+νμ)} is measured to be (1.06±0.05 (stat)±0.08 (syst))×104, where the first uncertainty is statistical and the second one represents the combined systematic uncertainties. [...]
arXiv:2012.05143; LHCb-PAPER-2020-038; CERN-EP-2020-224; CERN-EP-2020-224; LHCB-PAPER-2020-038.- Geneva : CERN, 2021-02-25 - 11 p. - Published in : Phys. Rev. Lett. 126 (2021) 081804 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2020-038 - PDF; 2012.05143 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
6.
Amplitude analysis of the B+D+DK+ decay / LHCb Collaboration
Results are reported from an amplitude analysis of the B+D+DK+ decay. The analysis is carried out using LHCb proton-proton collision data taken at s=7,8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb1. [...]
arXiv:2009.00026; LHCb-PAPER-2020-025; CERN-EP-2020-159.- 2020-12-07 - 48 p. - Published in : Phys. Rev. D 102 (2020) 112003 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
7.
Search for long-lived particles decaying to e±μν / LHCb Collaboration
Long-lived particles decaying to e±μν, with masses between 7 and 50 GeV/c2 and lifetimes between 2 and 50 ps, are searched for by looking at displaced vertices containing electrons and muons of opposite charges. The search is performed using 5.4 fb1 of pp collisions collected with the LHCb detector at a centre-of-mass energy of s=13 TeV. [...]
arXiv:2012.02696; LHCb-PAPER-2020-027; CERN-EP-2020-212.- Geneva : CERN, 2021-03-26 - 16 p. - Published in : Eur. Phys. J. C 81 (2021) 261 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
8.
Observation of the Λ0bΛ+cK+Kπ decay / LHCb Collaboration
The Λ0bΛ+cK+Kπ decay is observed for the first time using a data sample of proton-proton collisions at centre-of-mass energies of s=7 and 8 TeV collected by the LHCb detector, corresponding to an integrated luminosity of 3fb1. The ratio of branching fractions between the Λ0bΛ+cK+Kπ and the Λ0bΛ+cDs decays is measured to be B(Λ0bΛ+cK+Kπ)B(Λ0bΛ+cDs)=(9.26±0.29±0.46±0.26)×102, where the first uncertainty is statistical, the second systematic and the third is due to the knowledge of the DsK+Kπ branching fraction. [...]
arXiv:2011.13738; LHCb-PAPER-2020-028; CERN-EP-2020-209; LHCB-PAPER-2020-028; LHCB-PAPER-2020-028.- Geneva : CERN, 2021-04-10 - 20 p. - Published in : Phys. Lett. B 815 (2021) 136172 Article from SCOAP3: PDF; Fulltext: PAPER-LHCb-2020-028-arXiv - PDF; 2011.13738 - PDF; Related data file(s): ZIP;
9.
Measurement of the CKM angle γ and B0s¯B0s mixing frequency with B0sDsh±π±π decays / LHCb Collaboration
The CKM angle γ is measured for the first time from mixing-induced CP violation between B0sDsK±π±π and ˉB0sD±sKππ± decays reconstructed in proton-proton collision data corresponding to an integrated luminosity of 9 fb1 recorded with the LHCb detector. A time-dependent amplitude analysis is performed to extract the CP-violating weak phase γ2βs and, subsequently, γ by taking the B0s-ˉB0s mixing phase βs as an external input. [...]
arXiv:2011.12041; LHCb-PAPER-2020-030; CERN-EP-2020-214; LHCB-PAPER-2020-030.- Geneva : CERN, 2021-03-15 - 46 p. - Published in : JHEP 2103 (2021) 137 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2020-030_arxiv - PDF; 2011.12041 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
10.
Observation of a new excited D+s meson in B0 to DD+K+π decays / LHCb Collaboration
Using pp collision data corresponding to an integrated luminosity of 5.4fb1 collected with the LHCb detector at a center-of-mass energy of 13TeV, the B0DD+K+π decay is studied. A new excited D+s meson is observed decaying into the D+K+π final state with large statistical significance. [...]
arXiv:2011.09112; CERN-EP-2020-203; LHCb-PAPER-2020-034; LHCB-PAPER-2020-034.- Geneva : CERN, 2021-03-27 - 11 p. - Published in : Phys. Rev. Lett. 126 (2021) 122002 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Виж също: автори с подобни имена
1 Bettler, M
198 Bettler, M -O
18 Bettler, M O
24 Bettler, M-O
2 Bettler, M.
1 Bettler, M. -O
3 Bettler, M. -O.
62 Bettler, M.O.
3 Bettler, MO
1 Bettler, Mar-Olivier
10 Bettler, Marc Olivier
452 Bettler, Marc-Olivier
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