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CERN Document Server 2,050 records found  1 - 10próximoend  jump to record: Search took 4.89 seconds. 
1.
(100)
Search for lepton-flavour-violating decays of Higgs-like bosons / LHCb Collaboration
A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/$c^2$ decaying into a muon and a tau lepton. The dataset consists of proton-proton interactions at a centre-of-mass energy of 8 TeV, collected by the LHCb experiment, corresponding to an integrated luminosity of 2 fb$^{-1}$. [...]
arXiv:1808.07135; CERN-EP-2018-210; LHCb-PAPER-2018-030.- Geneva : CERN, 2018-12-12 - 20 p. - Published in : 10.1140/epjc/s10052-018-6386-8 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
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2.
(91)
Measurement of the forward energy flow in $pp$ collisions at $\sqrt{s}$= 7 TeV / LHCb Collaboration
The energy flow created in pp collisions at $\sqrt{s}$=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are performed for inclusive minimum-bias interactions, hard scattering processes and events with an enhanced or suppressed diffractive contribution. [...]
arXiv:1212.4755; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034; CERN-PH-EP-2012-346; LHCB-PAPER-2012-034.- Geneva : CERN, 2013 - 17 p. - Published in : Eur. Phys. J. C 73 (2013) 2421 APS published version, local copy: PDF; Fulltext: PDF; Related data (files): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
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3.
(91)
Differential branching fraction and angular analysis of the decay $B_s^0 \to \phi \mu^+\mu^-$ / LHCb Collaboration
The determination of the differential branching fraction and the first angular analysis of the decay $B_s^0\to\phi\mu^{+}\mu^{-}$ are presented using data, corresponding to an integrated luminosity of $1.0\,{\rm fb}^{-1}$, collected by the LHCb experiment at $\sqrt{s}=7\,{\rm TeV}$. The differential branching fraction is determined in bins of $q^{2}$, the invariant dimuon mass squared. [...]
arXiv:1305.2168; CERN-PH-EP-2013-078; LHCB-PAPER-2013-017; CERN-PH-EP-2013-078; LHCB-PAPER-2013-017.- Geneva : CERN, 2013-07-11 - 18 p. - Published in : JHEP 07 (2013) 084 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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4.
(91)
Study of $D_J$ meson decays to $D^+\pi^-$, $D^0 \pi^+$ and $D^{*+}\pi^-$ final states in $pp$ collisions / LHCb collaboration
A study of $D^+\pi^-$, $D^0 \pi^+$ and $D^{*+}\pi^-$ final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 $fb^{-1}$, collected at a centre-of-mass energy of 7 TeV with the LHCb detector. The $D_1(2420)^0$ resonance is observed in the $D^{*+}\pi^-$ final state and the $D^*_2(2460)$ resonance is observed in the $D^+\pi^-$, $D^0 \pi^+$ and $D^{*+}\pi^-$ final states. [...]
arXiv:1307.4556; CERN-PH-EP-2013-122; LHCB-PAPER-2013-026; CERN-PH-EP-2013-122; LHCB-PAPER-2013-026.- Geneva : CERN, 2013 - 26 p. - Published in : JHEP 09 (2013) 145 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
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5.
(91)
Measurement of the cross-section for $Z\to e^+e^-$ production in $pp$ collisions at $\sqrt{s} =7$ TeV / LHCb Collaboration
A measurement of the cross-section for pp$ \rightarrow$Z$ \rightarrow$e$^+$e$^-$ is presented using data at $\sqrt{s}=7$ TeV corresponding to an integrated luminosity of 0.94 fb$^{-1}$. The process is measured within the kinematic acceptance $p_{\mathrm{T}}>20$GeV/$c$ and $2<\eta<4.5$ for the daughter electrons and dielectron invariant mass in the range 60-120 GeV/$c^2$. [...]
arXiv:1212.4620; CERN-PH-EP-2012-363; LHCB-PAPER-2012-036; CERN-PH-EP-2012-363; LHCB-PAPER-2012-036.- Geneva : CERN, 2013 - 22 p. - Published in : JHEP 02 (2013) 106 APS published version, local copy: PDF; Fulltext: arXiv:1212.4620 - PDF; LHCb-PAPER-2012-036 - PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Rivet analyses reference
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6.
(91)
Exclusive J/$\psi$ and $\psi$(2S) production in $pp$ collisions at $\sqrt{s} = 7$ TeV / LHCb Collaboration
Exclusive $J/\psi$ and $\psi(2S)$ vector meson production has been observed in the dimuon channel using the LHCb detector. The cross-section times branching fractions to two muons with pseudorapidities between 2.0 and 4.5 are measured to be \begin{equation*} \sigma_{pp\rightarrow J/\psi (\rightarrow \mu^{+} \mu^{-})} (2.0 <\eta_{\mu^{\pm}}< 4.5) = 307 \pm 21 \pm 36~\text{pb}, \end{equation*} \begin{equation*} \sigma_{pp\rightarrow \psi(2S) (\rightarrow \mu^{+} \mu^{-})} (2.0 <\eta_{\mu^{\pm}}< 4.5) = 7.8 \pm 1.3 \pm 1.0~\text{pb}, \end{equation*} where the first uncertainties are statistical and the second are systematic. [...]
arXiv:1301.7084; CERN-PH-EP-2013-005; LHCB-PAPER-2012-044; CERN-PH-EP-2013-005; LHCB-PAPER-2012-044.- Geneva : CERN, 2013 - 17 p. - Published in : J. Phys. G 40 (2013) 045001 IOP Open Access article: PDF; Related data file(s): ZIP; External link: Preprint
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7.
(91)
Production of $J/\psi$ and $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}$ = 8 TeV / LHCb Collaboration
The production of $J/\psi$ and $\Upsilon$ mesons in $pp$ collisions at $\sqrt{s}$ = 8 TeV is studied with the LHCb detector. The $J/\psi$ and $\Upsilon$ mesons are reconstructed in the $\mu^+ \mu^-$ decay mode and the signal yields are determined to fit to the $\mu^+ \mu^-$ invariant mass distributions. [...]
arXiv:1304.6977; CERN-PH-EP-2013-071; LHCB-PAPER-2013-016; CERN-PH-EP-2013-071; LHCB-PAPER-2013-016.- Geneva : CERN, 2013-06 - 35 p. - Published in : JHEP 06 (2013) 064 APS published version, local copy: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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8.
(91)
Measurement of the branching fractions of the decays $B^0_s \rightarrow \overline{D}^0 K^- \pi^+$ and $B^0 \rightarrow \overline{D}^0 K^+ \pi^-$ / LHCb Collaboration
The first observation of the decay $B^0_s \rightarrow \overline{D}^0 K^-\pi^+$ is reported. The analysis is based on a data sample, corresponding to an integrated luminosity of $1.0 {\mbox{fb}^{-1}}$ of $pp$ collisions, collected with the LHCb detector [...]
arXiv:1304.6317; LHCB-PAPER-2013-022; CERN-PH-EP-2013-070; LHCB-PAPER-2013-022; CERN-PH-EP-2013-070.- Geneva : CERN, 2013-06-20 - 10 p. - Published in : Phys. Rev. D 87 (2013) 112009 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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9.
(91)
First observation of $CP$ violation in the decays of $B^0_s$ mesons / LHCb Collaboration
Using $pp$ collision data corresponding to an integrated luminosity of $1.0 \mathrm{fb}^{-1}$ and collected by LHCb in 2011 at a center-of-mass energy of 7 TeV, we report the measurement of direct $C\!P$ violation in $B^0_s \to K^-\pi^+$ decays, $A_{C\!P}(B^0_s \rightarrow K^- \pi^+)=0.27 \pm 0.04\,\mathrm{(stat)} \pm 0.01\,\mathrm{(syst)}$, with significance exceeding 5 standard deviations. This is the first observation of $C\!P$ violation in the decays of $B^0_s$ mesons. [...]
arXiv:1304.6173; CERN-PH-EP-2013-068; LHCB-PAPER-2013-018; CERN-PH-EP-2013-068; LHCB-PAPER-2013-018.- Geneva : CERN, 2013-05-30 - 9 p. - Published in : Phys. Rev. Lett. 110 (2013) 221601 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External links: Interactions.org article; Physics Synopsis
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10.
(91)
First observation of the decay $B^+ \to \pi^+ \mu^+\mu^-$ / LHCb Collaboration
A discovery of the rare decay $B^{+} \rightarrow \pi^{+} \mu^{+} \mu^{-}$ is presented. This decay is observed for the first time, with 5.2 $\sigma$ significance. [...]
arXiv:1210.2645; LHCB-PAPER-2012-020; CERN-PH-EP-2012-284; LHCB-PAPER-2012-020; CERN-PH-EP-2012-284.- Geneva : CERN, 2012 - 20 p. - Published in : JHEP 12 (2012) 125 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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