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CERN Document Server 82 records found  1 - 10próximoend  jump to record: Search took 0.61 seconds. 
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.
Dalitz plot analysis of $B^0 \to \overline{D}^0 \pi^+\pi^-$ decays / LHCb Collaboration
The resonant substructures of $B^0 \to \overline{D}^0 \pi^+\pi^-$ decays are studied with the Dalitz plot technique. In this study a data sample corresponding to an integrated luminosity of 3.0 fb$^{-1}$ of $pp$ collisions collected by the LHCb detector is used. [...]
arXiv:1505.01710; CERN-PH-EP-2015-110; LHCB-PAPER-2014-070; LHCB-PAPER-2014-070; CERN-PH-EP-2015-110.- Geneva : CERN, 2015-08-07 - 40 p. - Published in : Phys. Rev. D 92 (2015) 032002 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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3.
Observation of the $B^0_s\to\eta'\eta'$ decay / LHCb collaboration
The first observation of the $B^0_s\to\eta'\eta'$ decay is reported. The study is based on a sample of proton-proton collisions corresponding to $3.0$ ${\rm fb^{-1}}$ of integrated luminosity collected with the LHCb detector. [...]
arXiv:1503.07483; LHCB-PAPER-2014-065; CERN-PH-EP-2015-073; LHCB-PAPER-2014-065-; LHCB-PAPER-2014-065; CERN-PH-EP-2015-073.- Geneva : CERN, 2015-07-28 - 9 p. - Published in : Phys. Rev. Lett. 115 (2015) 051801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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4.
Measurement of $CP$ asymmetries and polarisation fractions in $B_s^0 \rightarrow K^{*0}\overline{K}{}^{*0}$ decays / LHCb Collaboration
An angular analysis of the decay $B_s^0 \rightarrow K^{*0}\overline{K}{}^{*0}$ is performed using $pp$ collisions corresponding to an integrated luminosity of $1.0$ ${fb}^{-1}$ collected by the LHCb experiment at a centre-of-mass energy $\sqrt{s} = 7$ TeV. A combined angular and mass analysis separates six helicity amplitudes and allows the measurement of the longitudinal polarisation fraction $f_L = 0.201 \pm 0.057 {(stat.)} \pm 0.040{(syst.)}$ for the $B_s^0 \rightarrow K^*(892)^0 \overline{K}{}^*(892)^0$ decay. [...]
arXiv:1503.05362; LHCB-PAPER-2014-068; CERN-PH-EP-2015-058; LHCB-PAPER-2014-068; CERN-PH-EP-2015-058.- Geneva : CERN, 2015-07-30 - 29 p. - Published in : JHEP 07 (2015) 166 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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5.
Precise measurements of the properties of the $B_1(5721)^{0,+}$ and $B^\ast_2(5747)^{0,+}$ states and observation of $B^{+,0}\pi^{-,+}$ mass structures / LHCb collaboration
Invariant mass distributions of $B^+\pi^-$ and $B^0\pi^+$ combinations are investigated in order to study excited B mesons. The analysis is based on a data sample corresponding to $3.0 fb^{-1}$ of $pp$ collision data, recorded by the LHCb detector at centre-of-mass energies of 7 and 8 TeV. [...]
arXiv:1502.02638; LHCB-PAPER-2014-067; CERN-PH-EP-2015-021; LHCB-PAPER-2014-067; CERN-PH-EP-2015-021.- Geneva : CERN, 2015-04-07 - 29 p. - Published in : JHEP 04 (2015) 024 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;
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6.
Measurement of indirect CP asymmetries in $D^0 \to K^-K^+$ and $D^0 \to \pi^-\pi^+$ decays / LHCb Collaboration
Time-dependent $CP$ asymmetries in the decay rates of the singly Cabibbo-suppressed decays $D^0\rightarrow K^-K^+$ and $D^0\rightarrow \pi^-\pi^+$ are measured in $pp$ collision data corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb experiment. The $D^0$ mesons are produced in semileptonic $b$-hadron decays, where the charge of the accompanying muon is used to determine the initial state as $D^0$ or $\bar{D}^0$. [...]
arXiv:1501.06777; LHCB-PAPER-2014-069; CERN-PH-EP-2015-008; LHCB-PAPER-2014-069; CERN-PH-EP-2015-008.- Geneva : CERN, 2015-04-09 - 20 p. - Published in : JHEP 04 (2015) 043 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;
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7.
Angular analysis of the $B^0 \rightarrow K^{*0} e^+ e^-$ decay in the low-$q^2$ region / LHCb collaboration
An angular analysis of the $B^0 \rightarrow K^{*0} e^+ e^-$ decay is performed using a data sample, corresponding to an integrated luminosity of 3.0 ${\mbox{fb}^{-1}}$, collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV during 2011 and 2012. For the first time several observables are measured in the dielectron mass squared ($q^2$) interval between 0.002 and 1.120${\mathrm{\,Ge\kern -0.1em V^2\!/}c^4}$. [...]
arXiv:1501.03038; LHCB-PAPER-2014-066; CERN-PH-EP-2014-301; LHCB-PAPER-2014-066; CERN-PH-EP-2014-301.- Geneva : CERN, 2015-04-14 - 18 p. - Published in : JHEP 04 (2015) 064 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
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8.
Determination of the branching fractions of $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ and $B^{0} \to D_{s}^{-} K^{+}$ / LHCb collaboration
Measurements are presented of the branching fractions of the decays $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ and $B^{0} \to D_{s}^{-} K^{+}$ relative to the decays $B_{s}^{0} \to D_{s}^{-} \pi^{+}$ and $B^{0} \to D^{-} \pi^{+}$, respectively. The data used correspond to an integrated luminosity of 3.0 fb$^{-1}$ of proton-proton collisions. [...]
arXiv:1412.7654; LHCB-PAPER-2014-064; CERN-PH-EP-2014-297; LHCB-PAPER-2014-064; CERN-PH-EP-2014-297.- 2015-05-05 - 17 p. - Published in : JHEP 05 (2015) 019 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;
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9.
Study of the rare $B_s^0$ and $B^0$ decays into the $\pi^+\pi^-\mu^+\mu^-$ final state / LHCb collaboration
A search for the rare decays $B_s^0 \to \pi^+\pi^-\mu^+\mu^-$ and $B^0 \to \pi^+\pi^-\mu^+\mu^-$ is performed in a data set corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb detector in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. Decay candidates with pion pairs that have invariant mass in the range 0.5-1.3 GeV/$c^2$ and with muon pairs that do not originate from a resonance are considered. [...]
arXiv:1412.6433; CERN-PH-EP-2014-296; LHCB-PAPER-2014-063; CERN-PH-EP-2014-296; LHCB-PAPER-2014-063.- Geneva : CERN, 2015-04-09 - 10 p. - Published in : Phys. Lett. B 743 (2015) 46 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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10.
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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Veja também: nomes de autores similares
755 David, P
1 David, P A
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3 David, Pierre
2 David, Pierre-Yves
765 David, Pieter
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