CERN Accelerating science

CERN Document Server 345 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.61 sekúnd. 
1.
Measurement of the b-quark production cross-section in 7 and 13 TeV pp collisions / LHCb Collaboration
Measurements of the cross-section for producing b quarks in the reaction ppbb¯X are reported in 7 and 13TeV collisions at the LHC as a function of the pseudorapidity η in the range 2<η<5 covered by the acceptance of the LHCb experiment. The measurements are done using semileptonic decays of b-flavored hadrons decaying into a ground-state charmed hadron in association with a muon. [...]
arXiv:1612.05140; CERN-EP-2016-201; LHCB-PAPER-2016-031; LHCB-PAPER-2016-031; CERN-EP-2016-201.- Geneva : CERN, 2017-02-03 - 11 p. - Published in : Phys. Rev. Lett. Erratum submitted to PRL: PDF; Fulltext: arXiv:1612.05140 - PDF; 10.1103_PhysRevLett.118.052002 - PDF; Related data file(s): ZIP; External link: Figures, tables and other information
2.
Measurements of charm mixing and CP violation using D0K±π decays / LHCb collaboration
Measurements of charm mixing and CP violation parameters from the decay-time-dependent ratio of D0K+π to D0Kπ+ decay rates and the charge-conjugate ratio are reported. The analysis uses B¯D+μX, and charge-conjugate decays, where D+D0π+, and D0Kπ±. [...]
arXiv:1611.06143; CERN-EP-2016-280; LHCB-PAPER-2016-033.- Geneva : CERN, 2017-03-23 - 14 p. - Published in : Phys. Rev. D
- Published in : Phys. Rev. D Erratum: PDF; Fulltext: 10.1103_PhysRevD.95.052004 - PDF; arXiv:1611.06143 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
3.
Measurement of the CKM angle γ from a combination of LHCb results / LHCb collaboration
A combination of measurements sensitive to the CKM angle γ from LHCb is performed. The inputs are from analyses of time-integrated B+DK+, Bd0DK0, BdDK+π and B+DK+π+π tree-level decays. [...]
arXiv:1611.03076; LHCB-PAPER-2016-032; CERN-EP-2016-270; LHCB-PAPER-2016-032; CERN-EP-2016-270.- Geneva : CERN, 2016-12-19 - 58 p. - Published in : JHEP 12 (2016) 087 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
4.
Measurement of CP asymmetry in D0KK+ decays / LHCb collaboration
A measurement of the time-integrated CP asymmetry in the Cabibbo-suppressed decay D0KK+ is performed using pp collision data, corresponding to an integrated luminosity of 3fb1, collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV. The flavour of the charm meson at production is determined from the charge of the pion in D+D0π+ and DD0¯π decays. [...]
arXiv:1610.09476; CERN-EP-2016-259; LHCB-PAPER-2016-035; CERN-EP-2016-259; LHCB-PAPER-2016-035.- Geneva : CERN, 2017-04-10 - 11 p. - Published in : Phys. Lett. B 767 (2017) 177-187 Article from SCOAP3: PDF; Fulltext: arXiv:1610.09476 - PDF; LHCb-PAPER-2016-035 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
5.
Observation of the annihilation decay mode B0K+K / LHCb collaboration
A search for the B0K+K decay is performed using pp-collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb1 at center-of-mass energies of 7 and 8 TeV, respectively. [...]
arXiv:1610.08288; LHCB-PAPER-2016-036; CERN-EP-2016-255; LHCB-PAPER-2016-036; CERN-EP-2016-255.- Geneva : CERN, 2017-02-21 - 9 p. - Published in : Phys. Rev. Lett. 118 (2017) 081801 Fulltext: 10.1103_PhysRevLett.118.081801 - PDF; arXiv:1610.08288 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
6.
Measurement of matter-antimatter differences in beauty baryon decays / LHCb Collaboration
Differences in the behaviour of matter and antimatter have been observed in K and B meson decays, but not yet in any baryon decay. Such differences are associated with the non-invariance of fundamental interactions under the combined charge-conjugation and parity transformations, known as CP violation. [...]
arXiv:1609.05216; CERN-EP-2016-212; LHCB-PAPER-2016-030.- Geneva : CERN, 2017-01-30 - 19 p. - Published in : Nature Phys. 13 (2017) 391-396 Fulltext: PDF; Macmillan Open Access article: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External links: Symmetry Magazine article; Figures, tables and other information
7.
Differential branching fraction and angular moments analysis of the decay B0K+πμ+μ in the K0,2(1430)0 region / LHCb collaboration
Measurements of the differential branching fraction and angular moments of the decay B0K+πμ+μ in the K0,2(1430)0 in the K+π invariant mass range 1330<m(K+π)<1530 MeV/c2 are presented. Proton-proton collision data are used, corresponding to an integrated luminosity of 3 fb1 collected by the LHCb experiment. [...]
arXiv:1609.04736; CERN-EP-2016-215; LHCB-PAPER-2016-025; CERN-EP-2016-215; LHCB-PAPER-2016-025.- Geneva : CERN, 2016-12-15 - 23 p. Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
8.
Search for Higgs-like bosons decaying into long-lived exotic particles / LHCb collaboration
A search is presented for massive long-lived particles, in the 20-60 GeV mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to 0.62 1\fb of proton-proton collision data collected by the LHCb detector at sqrt(s)=7 TeV. [...]
arXiv:1609.03124; LHCB-PAPER-2016-014; CERN-EP-2016-188; LHCB-PAPER-2016-014; CERN-EP-2016-188.- Geneva : CERN, 2016-12-02 - 29 p. - Published in : Eur. Phys. J. C 76 (2016) 664 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
9.
First experimental study of photon polarization in radiative Bs0 decays / LHCb collaboration
The polarization of photons produced in radiative Bs0 decays is studied for the first time. The data are recorded by the LHCb experiment in pp collisions corresponding to an integrated luminosity of 3fb1 at center-of-mass energies of 7 and 8TeV. [...]
arXiv:1609.02032; LHCB-PAPER-2016-034; CERN-EP-2016-210; LHCB-PAPER-2016-034; CERN-EP-2016-210.- Geneva : CERN, 2017-01-09 - 9 p. - Published in : Phys. Rev. Lett.
- Published in : Phys. Rev. Lett. Article from SCOAP3: PDF; Fulltext: arXiv:1609.02032 - PDF; 10.1103_PhysRevLett.118.021801 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
10.
Measurement of CP violation in B0D+D decays / LHCb collaboration
The CP violation observables S and C in the decay channel B0D+D are determined from a sample of proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and corresponding to an integrated luminosity of 3 fb1. The observable S describes CP violation in the interference between mixing and the decay amplitude, and C parametrizes direct CP violation in the decay. [...]
arXiv:1608.06620; LHCB-PAPER-2016-037; CERN-EP-2016-203; LHCB-PAPER-2016-037; CERN-EP-2016-203.- Geneva : CERN, 2016-12-23 - 10 p. - Published in : Phys. Rev. Lett. 117 (2016) 261801 APS Open Access article: PDF; Fulltext: arXiv:1608.06620 - PDF; 10.1103_PhysRevLett.117.261801 - PDF; Related data file(s): ZIP; External link: Figures, tables and other information

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