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Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s} = 7$ TeV / LHCb Collaboration
The production of Upsilon(1S), Upsilon(2S) and Upsilon(3S) mesons in proton-proton collisions at the centre-of-mass energy of sqrt(s)=7 TeV is studied with the LHCb detector. The analysis is based on a data sample of 25 pb-1 collected at the Large Hadron Collider. [...]
arXiv:1202.6579; CERN-PH-EP-2012-051; LHCB-PAPER-2011-036; CERN-PH-EP-2012-051; LHCB-PAPER-2011-036.- Geneva : CERN, 2012-06-07 - 22 p. - Published in : Eur. Phys. J. C 72 (2012) 2025 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: DURHAM

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Measurement of the ratio of branching fractions ${\cal B}(B^0 \to K^{\ast 0} \gamma)/{\cal B}(B^0_s \to \phi \gamma)$ / LHCb Collaboration
The ratio of branching fractions of the radiative $B$ decays $B^0\to K^{*0}\gamma$ and $B^0_s\to \phi\gamma$ has been measured using $0.37\,$fb$^{-1}$ of $pp$ collisions at a centre of mass energy of $\sqrt{s}=7\,$TeV, collected by the LHCb experiment. The value obtained is \begin{equation} \frac{{\cal B}(B^0\to K^{*0}\gamma)}{{\cal B}(B^0_s\to \phi\gamma)} = 1.12 \pm 0.08^{+0.06}_{-0.04}\phantom{.}^{+0.09}_{-0.08},\nonumber \end{equation} where the first uncertainty is statistical, the second systematic and the third is associated to the ratio of fragmentation fractions $f_s/f_d$. [...]
arXiv:1202.6267; LHCB-PAPER-2011-042; CERN-PH-EP-2012-041; CERN-PH-EP-2012-041; LHCB-PAPER-2011-042.- Geneva : CERN, 2012 - 15 p. - Published in : Phys. Rev. D 85 (2012) 112013 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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Opposite-side flavour tagging of $B$ mesons at the LHCb experiment / LHCb Collaboration
The calibration and performance of the opposite-side flavour tagging algorithms used for the measurements of time-dependent asymmetries at the LHCb experiment are described. The algorithms have been developed using simulated events and optimized and calibrated with B+ -> J/psi K+, B0 -> J/psi K*0 and B0 -> D*- mu+ nu_mu decay modes with 0.37 fb^-1 of data collected in pp collisions at sqrt(s) = 7 TeV during the 2011 physics run. [...]
arXiv:1202.4979; CERN-PH-EP-2012-039; LHCB-PAPER-2011-027; CERN-PH-EP-2012-039; LHCB-PAPER-2011-027.- Geneva : CERN, 2012-06-07 - 22 p. - Published in : Eur. Phys. J. C 72 (2012) 2022 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint

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Measurement of the $B^\pm$ production cross-section in $pp$ collisions at $\sqrt{s}=7$ TeV / LHCb Collaboration
The production of B+- mesons in proton-proton collisions at sqrt(s)=7 TeV is studied using 35 pb-1 of data collected by the LHCb detector. The B+- mesons are reconstructed exclusively in the B+- -> J/psi K+- mode, with J/psi -> mu+ mu-. [...]
arXiv:1202.4812; CERN-PH-EP-2012-047; LHCB-PAPER-2011-043; CERN-PH-EP-2012-047; LHCB-PAPER-2011-043.- Geneva : CERN, 2012 - 7 p. - Published in : JHEP 04 (2012) 093 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: DURHAM

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Search for the $X(4140)$ state in $B^+\to J/\psi\phi K^+$ decays / LHCb Collaboration
A search for the X(4140) state in B+ to J/psi phi K+ decays is performed with 0.37 fb-1 of pp collisions at sqrt(s)=7 TeV collected by the LHCb experiment. No evidence for this state is found, in 2.4 sigma disagreement with a measurement by CDF. [...]
arXiv:1202.5087; CERN-PH-EP-2012-004; LHCB-PAPER-2011-033; CERN-PH-EP-2012-004; LHCB-PAPER-2011-033.- Geneva : CERN, 2012 - 15 p. - Published in : Phys. Rev. D 85 (2012) 091103 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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Determination of the sign of the decay width difference in the $B^0_s$ system / LHCb Collaboration
The interference between the $K^+K^-$ S-wave and P-wave amplitudes in $B_s \rightarrow J/\psi K^+K^-$ decays with the $K^+K^-$ pairs in the region around the $\phi(1020)$ resonance is used to determine the variation of the difference of the strong phase between these amplitudes as a function of $K^+K^-$ invariant mass. Combined with the results from our $CP$ asymmetry measurements in the $B_s \rightarrow J/\psi \phi$ decays, we conclude that the $B_s$ mass eigenstate that is almost $CP =+1$ is lighter and decays faster than the mass eigenstate that is almost $CP =-1$. [...]
arXiv:1202.4717; CERN-PH-EP-2012-050; LHCB-PAPER-2011-028; CERN-PH-EP-2012-050; LHCB-PAPER-2011-028.- Geneva : CERN, 2012 - 7 p. - Published in : Phys. Rev. Lett. 108 (2012) 241801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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Measurement of the cross-section ratio $\sigma(\chi_{c2})/\sigma(\chi_{c1})$ for prompt $\chi_c$ production at $\sqrt{s}=7$ TeV / LHCb Collaboration
The prompt production of the charmonium $\chi_{c1}$ and $\chi_{c2}$ mesons has been studied in proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7$ TeV. The $\chi_c$ mesons are identified through their decays $\chi_c\to J/\psi\,\gamma$ with $J/\psi \to \mu^+ \mu^-$ using 36 $\mathrm{pb^{-1}}$ of data collected by the LHCb detector in 2010. [...]
arXiv:1202.1080; LHCB-PAPER-2011-019; CERN-PH-EP-2011-227; LHCB-PAPER-2011-019; CERN-PH-EP-2011-227.- Geneva : CERN, 2013-07-16 - 9 p. - Published in : Phys. Lett. B 714 (2012) 215-223 Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: DURHAM

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Searches for Majorana neutrinos in $B^-$ decays / LHCb Collaboration
Searches for heavy Majorana neutrinos in B- decays in final states containing hadrons plus a \mu- \mu- pair have been performed using 0.41/fb of data collected with the LHCb detector in proton-proton collisions at a center-of-mass energy of 7 TeV. The D+ \mu- \mu- and D*+ \mu- \mu- final states can arise from the presence of virtual Majorana neutrinos of any mass. [...]
arXiv:1201.5600; CERN-PH-EP-2012-006; LHCB-PAPER-2011-038; CERN-PH-EP-2012-006; LHCB-PAPER-2011-038.- 2012 - 18 p. - Published in : Phys. Rev. D 85 (2012) 112004 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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Infrastructure for Detector Research and Development towards the International Collider / EUDET Collaboration
The EUDET-project was launched to create an infrastructure for developing and testing new and advanced detector technologies to be used at a future linear collider. [...]
arXiv:1201.4657. - 2012 - 54.
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10.

First observation of the decays $\overline{B}^0 \to D^+ K^- \pi^+ \pi^-$ and $B^- \to D^0 K^- \pi^+ \pi^-$ / LHCb Collaboration
First observations of the Cabibbo suppressed decays $\bar{B}^0\to D^+K^-\pi^+\pi^-$ and $B^-\to D^0K^-\pi^+\pi^-$ are reported using 35~pb$^{-1}$ of data collected with the LHCb detector. Their branching fractions are measured with respect to the corresponding Cabibbo favored decays, from which we obtain ${\cal{B}}(\bar{B}^0\to D^+K^-\pi^+\pi^-)/{\cal{B}}(\bar{B}^0\to D^+\pi^-\pi^+\pi^-)=(5.9\pm1.1\pm0.5)\times10^{-2}$ and ${\cal{B}}(B^-\to D^0K^-\pi^+\pi^-)/{\cal{B}}(B^-\to D^0\pi^-\pi^+\pi^-)=(9.4\pm1.3\pm0.9)\times10^{-2}$, where the uncertainties are statistical and systematic, respectively. [...]
arXiv:1201.4402; LHCB-PAPER-2011-040; CERN-EP-PH-2011-229; CERN-PH-EP-2011-229; LHCB-PAPER-2011-040; CERN-PH-EP-2011-229.- Geneva : CERN, 2012 - 9 p. - Published in : Phys. Rev. Lett. 108 (2012) 161801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

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Voir aussi: noms d'auteurs similaires
95	Bailey, D
1	Bailey, D A
3	Bailey, D B
65	Bailey, D C
4	Bailey, D H
1	Bailey, D L
2	Bailey, D Russell
1	Bailey, D T
4	Bailey, D.
15	Bailey, D.C.
1	Bailey, D.S
41	Bailey, D.S.
1	Bailey, Dale L
2	Bailey, Dan
1	Bailey, Dana S
1	Bailey, Danny
303	Bailey, David
1	Bailey, David C.
5	Bailey, David H
13	Bailey, David J L
2	Bailey, Diane
2	Bailey, Donald
1	Bailey, Donald G

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