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Observation of the decay $B_s^0\to\bar{D}^0\phi$ / LHCb collaboration
First observation of the decay $B_s^0\to\overline{D^0}\phi$ is reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0 $fb^{-1}$, collected by the LHCb experiment at a centre-of-mass energy of 7 TeV. The significance of the signal is 6.2 standard deviations. [...]
arXiv:1308.4583; LHCB-PAPER-2013-035; CERN-PH-EP-2013-150; LHCB-PAPER-2013-035; CERN-PH-EP-2013-150.- Geneva : CERN, 2013 - 9 p. - Published in : Phys. Lett. B 727 (2013) 403-411 APS published version, local copy: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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(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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(91)

Observation of $B^0 \to \bar{D}^0 K^+ K^-$ and evidence of $B^0_s \to \bar{D}^0 K^+ K^-$ / LHCb Collaboration
The first observation of the decay $B^{0} \to \overline{D}^{0}K^{+}K^{-}$ is reported from an analysis of $0.62 \ \mathrm{fb}^{-1}$ of $pp$ collision data collected with the LHCb detector. Its branching fraction is measured relative to that of the topologically similar decay $B^{0} \to \overline{D}^{0}\pi^{+}\pi^{-}$ to be $\frac{ {\cal B}\left(B^{0} \to \overline{D}^{0}K^{+}K^{-}\right)}{ {\cal B}\left(B^{0} \to \overline{D}^{0}\pi^{+}\pi^{-}\right)} = 0.056 \pm 0.011 \pm 0.007$, where the first uncertainty is statistical and the second is systematic. [...]
arXiv:1207.5991; LHCB-PAPER-2012-018; CERN-PH-EP-2012-198; LHCB-PAPER-2012-018; CERN-PH-EP-2012-198.- Geneva : CERN, 2012-09-26 - 15 p. - Published in : Phys. Rev. Lett. 109 (2012) 131801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary data: ZIP; External link: Preprint

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(90)

Search for the decay $B_s^0 \to D^{*\mp} \pi^\pm$ / LHCb Collaboration
A search for the decay $B_s^0 \to D^{*\mp} \pi^\pm$ is presented using a data sample corresponding to an integrated luminosity of $1.0 \ {\rm fb}^{-1}$ of $pp$ collisions collected by LHCb. This decay is expected to be mediated by a $W$-exchange diagram, with little contribution from rescattering processes, and therefore a measurement of the branching fraction will help to understand the mechanism behind related decays such as $B_s^0 \to \pi^+\pi^-$ and $B_s^0 \to D \overline{D}$. [...]
arXiv:1302.6446; CERN-PH-EP-2013-025; LHCB-PAPER-2012-056; LHCB-PAPER-2012-056; CERN-PH-EP-2013-025.- Geneva : CERN, 2013-04-23 - 14 p. - Published in : Phys. Rev. D 87 (2013) 071101 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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(90)

First measurement of the $CP$-violating phase in $B_s^0 \to \phi \phi$ decays / LHCb Collaboration
A first flavor-tagged measurement of the time-dependent $CP$-violating asymmetry in $B_s^0 \to \phi\phi$ decays is presented. In this decay channel, the $CP$-violating weak phase arises due to $CP$ violation in the interference between $B_s^0$-$\overline{B}_s^0$ mixing and the $b \to s \overline{s} s $ gluonic penguin decay amplitude. [...]
arXiv:1303.7125; LHCB-PAPER-2013-007; CERN-PH-EP-2013-046; LHCB-PAPER-2013-007; CERN-PH-EP-2013-046.- Geneva : CERN, 2013-06-12 - 8 p. - Published in : Phys. Rev. Lett. 110 (2013) 241802 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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(90)

Measurement of the polarization amplitudes in $B^0 \to J/\psi K^{*}(892)^0$ decays / LHCb collaboration
An analysis of the decay $B^0 \to J/\psi K^{*}(892)^0$ is presented using data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected in $pp$ collisions at a centre-of-mass energy of 7TeV with the LHCb detector. The polarisation amplitudes and the corresponding phases are measured to be \[ \begin{array}{cclllllll} |A_{\parallel}|^2 &\;=\; & 0.227 &\pm & 0.004 & \text{(stat.)} &\pm & 0.011 & \text{(syst.)}, \\ |A_{\perp}|^2 &\;=\; & 0.201 &\pm & 0.004 & \text{(stat.)} &\pm & 0.008&\text{(syst.)},\\ \delta_{\parallel}\; \text{[rad]} &\;=\; & -2.94 &\pm & 0.02 &\text{(stat.)} &\pm &0.03&\text{(syst.)},\\ \delta_{\perp}\; \text{[rad]} &\;=\; & \phantom{-}2.94 &\pm & 0.02 &\text{(stat.)} &\pm &0.02&\text{(syst.)}.\\ \end{array} \] Comparing $B^0\to J/\psi K^{*}(892){^0}$ and $\overline{B}^0\to J/\psi \overline K^{*}(892){^0}$ decays, no evidence for direct CP violation is found..
arXiv:1307.2782; CERN-PH-EP-2013-104; LHCB-PAPER-2013-023; CERN-PH-EP-2013-104; LHCB-PAPER-2013-023.- Geneva : CERN, 2013-09-03 - 12 p. - Published in : Phys. Rev. D 88 (2013) 052002 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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(90)

First evidence for the annihilation decay mode $B^{+} \to D_{s}^{+} \phi$ / LHCb Collaboration
Evidence for the hadronic annihilation decay mode $B^{+} \to D_s^{+}\phi$ is found with greater than $3\sigma$ significance. The branching fraction and \CP asymmetry are measured to be \begin{eqnarray} \mathcal{B}(B^{+} \to D_s^{+}\phi) &=& \left(1.87^{\,+1.25}_{\,-0.73}\,({\rm stat}) \pm 0.19\, ({\rm syst}) \pm 0.32\, ({\rm norm})\right) \times 10^{-6}, \nonumber\\ \mathcal{A}_{CP}(B^{+} \to D_s^{+}\phi) &=& -0.01 \pm 0.41\, ({\rm stat}) \pm 0.03\, ({\rm syst}). [...]
arXiv:1210.1089; CERN-PH-EP-2012-286; LHCB-PAPER-2012-025; CERN-PH-EP-2012-286; LHCB-PAPER-2012-025.- Geneva : CERN, 2013 - 19 p. - Published in : JHEP 02 (2013) 043 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint

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(89)

Observation of $D^0 - \overline{D}^0$ oscillations / LHCb Collaboration
We report a measurement of the time-dependent ratio of $D^0 \to K^+\pi^-$ to $D^0 \to K^-\pi^+$ decay rates in $D^{*+}$-tagged events using 1.0 fb$^{-1}$ of integrated luminosity recorded by the LHCb experiment. We measure the mixing parameters $x'^2=(-0.9 \pm 1.3)$x$10^{-4}, y'=(7.2 \pm 2.4)$x$10^{-3}$ and the ratio of doubly-Cabibbo-suppressed to Cabibbo-favored decay rates $R_D=(3.52 \pm 0.15)$x$10^{-3}$, where the uncertainties include statistical and systematic sources. [...]
arXiv:1211.1230; CERN-PH-EP-2012-333; LHCB-PAPER-2012-038; CERN-PH-EP-2012-333; LHCB-PAPER-2012-038.- Geneva : CERN, 2013-03-05 - 8 p. - Published in : Phys. Rev. Lett. 110 (2013) 101802 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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(88)

Measurement of the CP-violating phase $\phi_s$ in $\overline{B}^0_s \to J/\psi\pi^+\pi^-$ decays / LHCb collaboration
Measurement of the mixing-induced $CP$-violating phase $\phi_s$ in $B^0_s$ decays is of prime importance in probing new physics. Here $7421 \pm 105$ signal events from the dominantly $CP$-odd final state $J/\psi\pi^+\pi^-$ are selected in 1 fb$^{-1}$ of $pp$ collision data collected at sqrt{s} = 7 TeV with the LHCb detector. [...]
arXiv:1204.5675; CERN-PH-EP-2012-107; LHCb-PAPER-2012-006; LHCb-PAPER-2012-006; CERN-PH-EP-2012-107.- 2013-07-16 - 9 p. - Published in : Phys. Lett. B 713 (2012) 378-386 Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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(88)

Analysis of the resonant components in $\overline{B}^0_s \to J/\psi\pi^+\pi^-$ / LHCb collaboration
The decay $B^0_s \to J/\psi\pi^+\pi^-$ can be exploited to study $CP$ violation. A detailed understanding of its structure is imperative in order to optimize its usefulness. [...]
arXiv:1204.5643; CERN-PH-EP-2012-111; LHCB-PAPER-2012-005; CERN-PH-EP-2012-111; LHCB-PAPER-2012-005.- 2012 - 28 p. - Published in : Phys. Rev. D 86 (2012) 052006 APS Open Access article : PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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