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CERN Document Server 2,051 Datensätze gefunden  1 - 10nächsteEnde  gehen zum Datensatz: Die Suche hat 0.59 Sekunden gedauert. 
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Summary of the 2015 LHCb workshop on multi-body decays of D and B mesons / Alvarenga Nogueira, Jorge H. (Sao Paulo, Inst. Tech. Aeronautics) ; Amato, Sandra (Rio de Janeiro Federal U.) ; Austregesilo, Alexander (Munich, Tech. U.) ; Baesso, Clarissa (Rio de Janeiro, Pont. U. Catol.) ; de Bediaga Hickman, Ignacio (Rio de Janeiro, CBPF) ; Ben Haim, Eli (Paris U., VI-VII) ; van Beveren, Eef (Coimbra U.) ; Bhattacharya, Bhubanjyoti (Montreal U.) ; Bigi, Ikaros (Notre Dame U.) ; Boito, Diogo (Sao Paulo U. ; Sao Paulo U., Sao Carlos) et al.
This document contains a summary of the LHCb workshop on multi-body decays of D and B mesons, held at CBPF, Rio de Janeiro, in July 2015. [...]
arXiv:1605.03889. - 2016. - 74 p.
Preprint - Full text
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2.
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Observation of the suppressed ADS modes $B^\pm \to [\pi^\pm K^\mp \pi^+\pi^-]_D K^\pm$ and $B^\pm \to [\pi^\pm K^\mp \pi^+\pi^-]_D \pi^\pm$ / LHCb Collaboration
An analysis of $B^{\pm}\to DK^{\pm}$ and $B^{\pm}\to D\pi^{\pm}$ decays is presented where the $D$ meson is reconstructed in the four-body final state $K^{\pm}\pi^{\mp} \pi^+ \pi^-$. Using LHCb data corresponding to an integrated luminosity of $1.0{\rm \,fb}^{-1}$, first observations are made of the suppressed ADS modes $B^{\pm}\to [\pi^{\pm} K^{\mp}\pi^+\pi^-]_D K^{\pm}$ and $B^{\pm}\to [\pi^{\pm} K^{\mp} \pi^+\pi^- ]_D\pi^{\pm}$ with a significance of $5.1\sigma$ and greater than $10\sigma$, respectively. [...]
arXiv:1303.4646; CERN-PH-EP-2013-038; LHCB-PAPER-2012-055; CERN-PH-EP-2013-038; LHCB-PAPER-2012-055.- Geneva : CERN, 2013-06-10 - 14 p. - Published in : Phys. Lett. B 723 (2013) 44-53 Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
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3.
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Observations of $\Lambda_b^0 \to \Lambda K^+\pi^-$ and $\Lambda_b^0 \to \Lambda K^+K^-$ decays and searches for other $\Lambda_b^0$ and $\Xi_b^0$ decays to $\Lambda h^+h^{\prime -}$ final states / LHCb collaboration
A search is performed for the charmless three-body decays of the $\Lambda_b^0$ and $\Xi_b^0$ baryons to the final states $\Lambda h^+h^{\prime -}$, where $h^{(\prime)} = \pi$ or $K$. The analysis is based on a data sample, corresponding to an integrated luminosity of $3 \rm fb^{-1}$ of $pp$ collisions, collected by the LHCb experiment. [...]
arXiv:1603.00413; CERN-EP-2016-038; LHCB-PAPER-2016-004; CERN-EP-2016-038; LHCB-PAPER-2016-004.- Geneva : CERN, 2016-05-13 - 24 p. - Published in : JHEP 05 (2016) 081 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Figures, tables and other information
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4.
(89)
Measurement of the charge asymmetry in $B^{\pm}\rightarrow \phi K^{\pm}$ and search for $B^{\pm}\rightarrow \phi \pi^{\pm}$ decays / LHCb collaboration
The CP-violating charge asymmetry in $B^{\pm}\rightarrow \phi K^{\pm}$ decays is measured in a sample of $pp$ collisions at 7 TeV centre-of-mass energy, corresponding to an integrated luminosity of 1.0 fb$^{-1}$ collected by the LHCb experiment. The result is $\mathcal{A}_{CP}(B^{\pm}\rightarrow \phi K^{\pm}) = \rm 0.022\pm 0.021 \pm 0.009$, where the first uncertainty is statistical and the second systematic. [...]
arXiv:1309.3742; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166; LHCB-PAPER-2013-048; CERN-PH-EP-2013-166.- Geneva : CERN, 2014-01-20 - 10 p. - Published in : Phys. Lett. B 728 (2014) 85-94 APS published version, local copy: PDF; Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: arXiv:1309.3742 - PDF; S0370269313009398 - XML; Related data file(s): ZIP; Related supplementary data file(s): ZIP;
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5.
(89)
Measurement of $D^{0}-\bar{D}^0$ mixing parameters and search for CP violation using $D^{0} \to K^{+}\pi^{-}$ decays / LHCb collaboration
Measurements of charm mixing parameters from the decay-time-dependent ratio of $D^0 \to K^+ \pi^-$ to $D^0 \to K^- \pi^+$ rates and the charge-conjugate ratio are reported. The analysis uses data, corresponding to 3 fb$^{-1}$ of integrated luminosity, from proton-proton collisions at 7 and 8 TeV center-of-mass energies recorded by the LHCb experiment. [...]
arXiv:1309.6534; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053; CERN-PH-EP-2013-176; LHCB-PAPER-2013-053.- Geneva : CERN, 2013-12-18 - 9 p. - Published in : Phys. Rev. Lett. 111 (2013) 251801 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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6.
(88)
Measurement of $C\!P$ observables in $B^\pm \rightarrow D K^\pm$ and $B^\pm \rightarrow D \pi^\pm$ with two- and four-body $D$ decays / LHCb collaboration
Measurements of $C\!P$ observables in $B^\pm \rightarrow D K^\pm$ and $B^\pm \rightarrow D \pi^\pm$ decays are presented where the $D$ meson is reconstructed in the final states $K^\pm\pi^\mp$, $\pi^\pm K^\mp$, $K^+K^-$, $\pi^+\pi^-$, $K^\pm\pi^\mp \pi^+ \pi^-$, $\pi^\pm K^\mp \pi^+ \pi^-$ and $\pi^+ \pi^- \pi^+ \pi^-$. This analysis uses a sample of charged $B$ mesons from $pp$ collisions collected by the LHCb experiment in 2011 and 2012, corresponding to an integrated luminosity of 3.0 fb$^{-1}$. [...]
arXiv:1603.08993; LHCB-PAPER-2016-003; CERN-EP-2016-065; LHCB-PAPER-2016-003; CERN-EP-2016-065.- Geneva : CERN, 2016-09-10 - 15 p. - Published in : Phys. Lett. B 76 (2016) 117-131 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Figures, tables and other information
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7.
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Observation of the decay $B_c^+ \rightarrow J/\psi K^+ K^- \pi^+$ / LHCb Collaboration
The decay $B_c^+ \rightarrow J/\psi K^+ K^- \pi^+$ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity of 3 fb$^{-1}$. A signal yield of 78$\pm$14 decays is reported with a significance of 6.2 standard deviations. [...]
arXiv:1309.0587; CERN-PH-EP-2013-165; LHCB-PAPER-2013-047; LHCB-PAPER-2013-047; CERN-PH-EP-2013-165.- Geneva : CERN, 2013 - 16 p. - Published in : JHEP 11 (2013) 094 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
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8.
(88)
Evidence for the two-body charmless baryonic decay $B^+ \to p \kern 0.1em\overline{\kern -0.1em\Lambda}$ / LHCb Collaboration
A search for the rare two-body charmless baryonic decay $B^+ \to p \bar\Lambda$ is performed with $pp$ collision data, corresponding to an integrated luminosity of $3\,\mbox{fb}^{-1}$, collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. An excess of $B^+ \to p \bar\Lambda$ candidates with respect to background expectations is seen with a statistical significance of 4.1 standard deviations, and constitutes the first evidence for this decay. [...]
arXiv:1611.07805; LHCB-PAPER-2016-048; CERN-EP-2016-275; CERN-EP-2016-275.- Geneva : CERN, 2017-04-28 - 18 p. - Published in : JHEP 04 (2017) 162 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Figures, tables and other information
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9.
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Measurement of matter-antimatter differences in beauty baryon decays / LHCb Collaboration
Differences in the behaviour of matter and antimatter have been observed in $K$ and $B$ meson decays, but not yet in any baryon decay. Such differences are associated with the non-invariance of fundamental interactions under the combined charge-conjugation and parity transformations, known as $C\!P$ violation. [...]
arXiv:1609.05216; CERN-EP-2016-212; LHCB-PAPER-2016-030.- Geneva : CERN, 2017-01-30 - 19 p. - Published in : Nature Phys. 13 (2017) 391-396 Fulltext: PDF; Macmillan Open Access article: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External links: Symmetry Magazine article; Figures, tables and other information
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10.
(88)
A study of $CP$ violation in $B^\mp \rightarrow Dh^\mp$ ($h=K,\pi$) with the modes $D \rightarrow K^\mp \pi^\pm \pi^0$, $D \rightarrow \pi^+\pi^-\pi^0$ and $D \rightarrow K^+K^-\pi^0$ / LHCb collaboration
An analysis of the decays of $B^\mp \rightarrow D K^\mp$ and $B^\mp \rightarrow D \pi^\mp $ is presented in which the $D$ meson is reconstructed in the three-body final states $K^\mp \pi^\pm \pi^0$, $\pi^+ \pi^- \pi^0$ and $K^+ K^- \pi^0$. Using data from LHCb corresponding to an integrated luminosity of 3.0~fb$^{-1}$ of $pp$ collisions, measurements of several $CP$ observables are performed. [...]
arXiv:1504.05442; CERN-PH-EP-2015-097; LHCB-PAPER-2015-014; CERN-PH-EP-2015-097-; CERN-PH-EP-2015-097; LHCB-PAPER-2015-014.- Geneva : CERN, 2015-06-26 - 15 p. - Published in : Phys. Rev. D 91 (2015) 112014 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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