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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: arXiv:1510.01951 - PDF; 10.1103_PhysRevD.92.112009 - PDF; External link: Figures, tables and other information

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Studies of the resonance structure in $D^0\to K^0_S K^{\pm}\pi^{\mp}$ decays / LHCb Collaboration
Amplitude models are applied to studies of resonance structure in

$D^0\to K^0_S K^- \pi^+$ and

$D^0\to K^0_S K^+ \pi^-$ decays using

$pp$ collision data corresponding to an integrated luminosity of

$3.0\,\mathrm{fb}^{-1}$ collected by the LHCb experiment. Relative magnitude and phase information is determined, and coherence factors and related observables are computed for both the whole phase space and a restricted region of

$100\,\mathrm{MeV/}c^2$ around the

$K^{*}(892)^{\pm}$ resonance. [...]
arXiv:1509.06628; CERN-PH-EP-2015-238; LHCB-PAPER-2015-026; LHCB-PAPER-2015-026; CERN-PH-EP-2015-238.- Geneva : CERN, 2016-03-31 - 35 p. - Published in : Phys. Rev. D 93 (2016) 052018 APS Open Access article: PDF; Fulltext: arXiv:1509.06628 - PDF; 10.1103_PhysRevD.93.052018 - PDF; Related data file(s): ZIP; Related supplementary data file(s) 1: ZIP; Related supplementary data file(s) 2: ZIP; External link: Preprint

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Measurement of the branching fraction ratio $\mathcal{B}(B_c^+ \rightarrow \psi(2S)\pi^+)/\mathcal{B}(B_c^+ \rightarrow J/\psi \pi^+)$ / LHCb collaboration
Using

$pp$ collision data collected by LHCb at center-of-mass energies

$\sqrt{s}$ = 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3 fb

$^{-1}$ , the ratio of the branching fraction of the

$B_c^+ \rightarrow \psi(2S)\pi^+$ decay relative to that of the

$B_c^+ \rightarrow J/\psi\pi^+$ decay is measured to be 0.268

$\pm$ 0.032 (stat)

$\pm$ 0.007 (syst)

$\pm$ 0.006 (BF). The first uncertainty is statistical, the second is systematic, and the third is due to the uncertainties on the branching fractions of the

$J/\psi \rightarrow \mu^+\mu^-$ and

$\psi(2S) \rightarrow \mu^+\mu^-$ decays. [...]
arXiv:1507.03516; CERN-PH-EP-2015-167; LHCB-PAPER-2015-024; CERN-PH-EP-2015-167; LHCB-PAPER-2015-024.- Geneva : CERN, 2015-10-20 - 10 p. - Published in : Phys. Rev. D 92 (2015) 072007 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint

Notice détaillée

Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb / LHCb collaboration
A search is performed for heavy long-lived charged particles using 3.0 fb

$^{-1}$ of pp collisions collected at

$\sqrt{s}$ = 7 and 8 TeV with the LHCb detector. The search is mainly based on the response of the ring imaging Cherenkovdetectors to distinguish the heavy, slow-moving particles from muons. [...]
arXiv:1506.09173; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002.- Geneva : CERN, 2015-12-15 - 24 p. - Published in : Eur. Phys. J. C 75 (2015) 595 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;

Notice détaillée

Angular analysis and differential branching fraction of the decay $B^0_s\to\phi\mu^+\mu^-$ / LHCb collaboration
An angular analysis and a measurement of the differential branching fraction of the decay

$B^0_s\to\phi\mu^+\mu^-$ are presented, using data corresponding to an integrated luminosity of

$3.0\, {\rm fb}^{-1}$ of

$pp$ collisions recorded by the LHCb experiment at

$\sqrt{s} = 7$ and

$8\, {\rm TeV}$ . Measurements are reported as a function of

$q^{2}$ , the square of the dimuon invariant mass and results of the angular analysis are found to be consistent with the Standard Model. [...]
arXiv:1506.08777; CERN-PH-EP-2015-145; LHCB-PAPER-2015-023; CERN-PH-EP-2015-145; LHCB-PAPER-2015-023.- Geneva : CERN, 2015-09-25 - 34 p. - Published in : JHEP 09 (2015) 179 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;

Notice détaillée

First observation of the decay $B_{s}^{0} \to K_{S}^{0} K^{*}(892)^{0}$ / LHCb collaboration
A search for

$B_{(s)}^{0} \to K_{S}^{0} K^{*}(892)^{0}$ decays is performed using

$pp$ collision data, corresponding to an integrated luminosity of

$1.0~\text{fb}^{-1}$ , collected with the LHCb detector at a centre-of-mass energy of

$7~\text{TeV}$ . The

$B_{s}^{0} \to K_{S}^{0} K^{*}(892)^{0}$ decay is observed for the first time, with a significance of 7.1 standard deviations. [...]
arXiv:1506.08634; CERN-PH-EP-2015-144; LHCB-PAPER-2015-018; CERN-PH-EP-2015-144; LHCB-PAPER-2015-018.- Geneva : CERN, 2016-01-04 - 19 p. - Published in : JHEP 01 (2016) 012 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data files(s): ZIP; Springer Open Access article: PDF; External link: Figures, tables and other information

Notice détaillée

Measurement of the ratio of branching fractions $\mathcal{B}(\overline{B}^0 \to D^{*+}\tau^{-}\overline{\nu}_{\tau})/\mathcal{B}(\overline{B}^0 \to D^{*+}\mu^{-}\overline{\nu}_{\mu})$ / LHCb Collaboration
The branching fraction ratio

$\mathcal{R}(D^{*}) \equiv \mathcal{B}(\overline{B}^0 \to D^{*+}\tau^{-}\overline{\nu}_{\tau})/\mathcal{B}(\overline{B}^0 \to D^{*+}\mu^{-}\overline{\nu}_{\mu})$ is measured using a sample of proton-proton collision data corresponding to 3.0 fb

$^{-1}$ of integrated luminosity recorded by the LHCb experiment during 2011 and 2012. The tau lepton is identified in the decay mode

$\tau^{-} \to \mu^{-}\overline{\nu}_{\mu}\nu_{\tau}$ . [...]
arXiv:1506.08614; CERN-PH-EP-2015-150; LHCB-PAPER-2015-025; CERN-PH-EP-2015-150; LHCb-PAPER-2015-025; LHCB-PAPER-2015-025; CERN-PH-EP-2015-150.- Geneva : CERN, 2015-09-09 - 10 p.
APS Open Access Publisher's Note: PDF; APS Open Access article: PDF; Fulltext: 1506.08614 - PDF; arXiv:1506.08614 - PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External links: livescience article; Scientific American article

Notice détaillée

First observation of top quark production in the forward region / LHCb collaboration
Top quark production in the forward region in proton-proton collisions is observed for the first time. The

$W\!+\!b$ final state with

$W\to\mu\nu$ is reconstructed using muons with a transverse momentum,

$p_{\rm T}$ , larger than 25 GeV in the pseudorapidity range

$2.0<\eta<4.5$ . [...]
arXiv:1506.00903; LHCB-PAPER-2015-022; CERN-PH-EP-2015-132; LHCB-PAPER-2015-022; CERN-PH-EP-2015-132.- Geneva : CERN, 2015-09-08 - 10 p. - Published in : Phys. Rev. Lett. 115 (2015) 112001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint

Notice détaillée

Measurement of the exclusive $\Upsilon$ production cross-section in $pp$ collisions at $\sqrt{s}=$ 7 TeV and 8 TeV / LHCb collaboration
A study is presented of central exclusive production of

$\Upsilon(nS)$ states, where the

$\Upsilon(nS)$ resonances decay to the

$\mu^+\mu^-$ final state, using

$pp$ collision data recorded by the LHCb experiment. The cross-section is measured in the rapidity range

$2 < y (\Upsilon) < 4.5$ where the muons are reconstructed in the pseudorapidity range

$2<\eta(\mu^\pm)<4.5$ . [...]
arXiv:1505.08139; LHCB-PAPER-2015-011; CERN-PH-EP-2015-123; LHCB-PAPER-2015-011; CERN-PH-EP-2015-123.- Geneva : CERN, 2015-09-14 - 21 p. - Published in : JHEP 09 (2015) 084 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;

Notice détaillée

10.

Study of $B^{-}\to DK^-\pi^+\pi^-$ and $B^-\to D\pi^-\pi^+\pi^-$ decays and determination of the CKM angle $\gamma$ / LHCb collaboration
We report a study of the suppressed

$B^{-}\to DK^-\pi^+\pi^-$ and favored

$B^-\to D\pi^-\pi^+\pi^-$ decays, where the neutral

$D$ meson is detected through its decays to the

$K^{\mp}\pi^{\pm}$ and

$CP$ -even

$K^+K^-$ and

$\pi^+\pi^-$ final states. The measurement is carried out using a proton-proton collision data sample collected by the LHCb experiment, corresponding to an integrated luminosity of 3.0 fb

$^{-1}$ . [...]
arXiv:1505.07044; LHCB-PAPER-2015-020; CERN-PH-EP-2015-127; LHCB-PAPER-2015-020; CERN-PH-EP-2015-127.- Geneva : CERN, 2015-12-17 - 20 p. - Published in : Phys. Rev. D 92 (2015) 112005 APS Open Access article: PDF; Fulltext: arXiv:1505.07044 - PDF; 10.1103_PhysRevD.92.112005 - PDF; Related data file(s): ZIP; External link: Figures, tables and other information

Notice détaillée

Voir aussi: noms d'auteurs similaires
222	Marki, R
55	Marki, R.
222	Märki, R
55	Märki, R.
115	Märki, Raphael
115	Märki, Raphaël

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