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CERN Document Server Znaleziono 260 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.66 sekund. 
1.
Model-independent confirmation of the $Z(4430)^-$ state / LHCb collaboration
The decay $B^0\to \psi(2S) K^+\pi^-$ is analyzed using $\rm 3~fb^{-1}$ of $pp$ collision data collected with the LHCb detector. A model-independent description of the $\psi(2S) \pi$ mass spectrum is obtained, using as input the $K\pi$ mass spectrum and angular distribution derived directly from data, without requiring a theoretical description of resonance shapes or their interference. [...]
arXiv:1510.01951; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038.- 2015-12-29 - 15 p. - Published in : Phys. Rev. D 92 (2015) 112009 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevD.92.112009 - PDF; arXiv:1510.01951 - PDF; External link: Figures, tables and other information
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2.
LHCb Detector Performance / LHCb collaboration
The LHCb detector is a forward spectrometer at the Large Hadron Collider (LHC) at CERN. The experiment is designed for precision measurements of CP violation and rare decays of beauty and charm hadrons. [...]
arXiv:1412.6352; LHCB-DP-2014-002; CERN-PH-EP-2014-290; CERN-PH-EP-2014-290; LHCB-DP-2014-002.- Geneva : CERN, 2015-03-05 - 73 p. - Published in : Int. J. Mod. Phys. A 30 (2015) 1530022 Fulltext: PDF; World Scientific Open Access article: PDF; External link: Preprint
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3.
Measurement of the inelastic $pp$ cross-section at a centre-of-mass energy of $\sqrt{s}=7$ TeV / LHCb Collaboration
The cross-section for inelastic proton-proton collisions, with at least one prompt long-lived charged particle of transverse momentum $p_{\rm T}>0.2$ GeV/$c$ in the pseudorapidity range $2.0<\eta<4.5$, is measured by the LHCb experiment at a centre-of-mass energy of $\sqrt{s}=7$ TeV. The cross-section in this kinematic range is determined to be $\sigma_{\rm inel}^{\rm acc} = 55.0 \pm 2.4$ mb within the spectrometer acceptance with an experimental uncertainty that is dominated by systematic contributions. [...]
arXiv:1412.2500; CERN-PH-EP-2014-285; LHCB-PAPER-2014-057; LHCB-PAPER-2014-057; CERN-PH-EP-2014-285.- Geneva : CERN, 2015-02-19 - 15 p. - Published in : JHEP 02 (2015) 129 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
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4.
Observation of the rare $B^0_s\to\mu^+\mu^-$ decay from the combined analysis of CMS and LHCb data / CMS and LHCb Collaborations
A joint measurement is presented of the branching fractions $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ in proton-proton collisions at the LHC by the CMS and LHCb experiments. The data samples were collected in 2011 at a centre-of-mass energy of 7 TeV, and in 2012 at 8 TeV. [...]
arXiv:1411.4413; CERN-PH-EP-2014-220; CMS-BPH-13-007; LHCB-PAPER-2014-049; CERN-PH-EP-2014-220; CMS-BPH-13-007; LHCB-PAPER-2014-049.- 2015-05-13 - 46 p. - Published in : Nature 522 (2015) 68-72 Fulltext: openaccess_nature14474 - PDF; arXiv:1411.4413 - PDF; Fulltext from Publisher: 10.1038_nature14474 - PDF; nature14474 - PDF; Related data file(s): ZIP; External links: Interactions.org article; Fermilab News article; Los Angeles Times article
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5.
Measurement of $B_c^+$ production in proton-proton collisions at $\sqrt{s}=8$ TeV / LHCb Collaboration
Production of $B_c^+$ mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of $2.0~{\rm fb^{-1}}$ recorded by the LHCb experiment. The ratio of production cross-sections times branching fractions between the $B_c^+\to J/\psi \pi^+$ and $B^+\to J/\psi K^+$ decays is measured as a function of transverse momentum and rapidity in the regions $0 < p_{\rm T} < 20{\rm GeV}/c$ and $2.0 < y < 4.5$. [...]
arXiv:1411.2943; CERN-PH-EP-2014-269; LHCB-PAPER-2014-050; LHCB-PAPER-2014-050; CERN-PH-EP-2014-269.- Geneva : CERN, 2015-04-02 - 9 p. - Published in : Phys. Rev. Lett. 114 (2015) 132001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data files(s): ZIP; External link: Preprint
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6.
Study of $\eta-\eta'$ mixing from measurement of $B^0_{(s)}\to J/\psi\eta^{(')}$ decay rates / LHCb Collaboration
A study of $B^0$and $B^0_s$ meson decays into $J/\psi\eta$ and $J/\psi\eta^{\prime}$ final states is performed using a data set of proton-proton collisions at centre-of-mass energies of 7 and 8TeV, collected by the LHCb experiment and corresponding to 3.0fb$^{-1}$ of integrated luminosity. The decay $B^0 \rightarrow J/\psi \eta^{\prime}$ is observed for the first time. [...]
arXiv:1411.0943; CERN-PH-EP-2014-266; LHCB-PAPER-2014-056; LHCB-PAPER-2014-056; CERN-PH-EP-2014-266.- Geneva : CERN, 2015-01-08 - 26 p. - Published in : JHEP 01 (2015) 024 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
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7.
Search for $CP$ violation in $D^0\to \pi^-\pi^+\pi^0$ decays with the energy test / LHCb Collaboration
A search for time-integrated CP violation in the Cabibbo-suppressed decay $D^0\to\pi^-\pi^+\pi^0$ is performed using for the first time an unbinned model-independent technique known as the energy test. Using proton-proton collision data, corresponding to an integrated luminosity of 2.0 fb$^{-1}$ collected by the LHCb detector at a centre-of-mass energy of $\sqrt{s}$ = 8 TeV, the world's best sensitivity to CP violation in this decay is obtained [...]
arXiv:1410.4170; CERN-PH-EP-2014-251; LHCB-PAPER-2014-054; LHCB-PAPER-2014-054; CERN-PH-EP-2014-251.- Geneva : CERN, 2015-01-05 - 10 p. - Published in : Phys. Lett. B 740 (2015) 158 Article from SCOAP3: PDF; Elsevier Open Access article : PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
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8.
Precision luminosity measurements at LHCb / LHCb collaboration
Measuring cross-sections at the LHC requires the luminosity to be determined accurately at each centre-of-mass energy $\sqrt{s}$. In this paper results are reported from the luminosity calibrations carried out at the LHC interaction point 8 with the LHCb detector for $\sqrt{s}$ = 2.76, 7 and 8 TeV (proton-proton collisions) and for $\sqrt{s_{NN}}$ = 5 TeV (proton-lead collisions). [...]
arXiv:1410.0149; LHCB-PAPER-2014-047; CERN-PH-EP-2014-221; LHCB-PAPER-2014-047; CERN-PH-EP-2014-221.- Geneva : CERN, 2014-12-05 - 99 p. - Published in : JINST 9 (2014) P12005 Fulltext: arXiv:1410.0149 - PDF; 10.1088_1748-0221_9_12_P12005 - PDF; IOP Open Access article: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
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9.
Precision measurement of the mass and lifetime of the $\Xi_b^-$ baryon / LHCb collaboration
We report on measurements of the mass and lifetime of the $\Xi_b^-$ baryon using about 1800 $\Xi_b^-$ decays reconstructed in a proton-proton collision data set corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb experiment. The decays are reconstructed in the $\Xi_b^-\to\Xi_c^0\pi^-$, $\Xi_c^0\to pK^-K^-\pi^+$ channel and the mass and lifetime are measured using the $\Lambda_b^0\to\Lambda_c^+\pi^-$ mode as a reference. [...]
arXiv:1409.8568; LHCB-PAPER-2014-048; CERN-PH-EP-2014-226; LHCB-PAPER-2014-048; CERN-PH-EP-2014-226.- Geneva : CERN, 2014-12-09 - 9 p. - Published in : Phys. Rev. Lett. 113 (2014) 242002 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
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10.
Measurement of the semileptonic $CP$ asymmetry in $B^0-\overline{B}{}^0$ mixing / LHCb Collaboration
The semileptonic $CP$ asymmetry in $B^0-\overline{B}{}^0$ mixing, $a_{\rm sl}^d$, is measured in proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb$^{-1}$, recorded by the LHCb experiment. Semileptonic $B^0$ decays are reconstructed in the inclusive final states $D^-\mu^+$ and $D^{*-}\mu^+$, where the $D^-$ meson decays into the $K^+\pi^-\pi^-$ final state, and the $D^{*-}$ meson into the $\overline{D}{}^0(\rightarrow K^+\pi^-)\pi^-$ final state. [...]
arXiv:1409.8586; CERN-PH-EP-2014-237; LHCB-PAPER-2014-053; LHCB-PAPER-2014-053; CERN-PH-EP-2014-237.- Geneva : CERN, 2015-01-28 - 9 p. - Published in : Phys. Rev. Lett. 114 (2015) 041601 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
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CERN Document Server : Znaleziono 260 rekordów   1 - 10następnykoniec  skocz do rekordu:
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237 Oggero, S
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