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LHCb Papers

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2015-04-30
16:53
Quantum numbers of the $X(3872)$ state and orbital angular momentum in its $\rho^0 J/\psi$ decays
Angular correlations in $B^+\to X(3872) K^+$ decays, with $X(3872)\to \rho^0 J/\psi$, $\rho^0\to\pi^+\pi^-$ and $J/\psi \to\mu^+\mu^-$, are used to measure orbital angular momentum contributions and to determine the $J^{PC}$ value of the $X(3872)$ meson. [...]
CERN-PH-EP-2015-098 ; LHCB-PAPER-2015-015.
- 2015.
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2015-04-30
14:41
Identification of beauty and charm quark jets at LHCb
Identification of jets originating from beauty and charm quarks is important for measuring Standard Model processes and for searching for new physics. [...]
CERN-PH-EP-2015-101 ; LHCB-PAPER-2015-016.
- 2015.
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2015-04-22
07:50
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 $K^+ K^- \pi^0$. [...]
arXiv:1504.05442 ; CERN-PH-EP-2015-097 ; LHCB-PAPER-2015-014.
- 2015. - 25 p.
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2015-04-08
07:47
Determination of the quark coupling strength $|V_{ub}|$ using baryonic decays / LHCb collaboration
In the Standard Model of particle physics, the strength of the coupling of the $b$ quark to the $u$ quark, $|V_{ub}|$, is governed by the coupling of the quarks to the Higgs boson. [...]
arXiv:1504.01568 ; CERN-PH-EP-2015-084 ; LHCB-PAPER-2015-013.
- 2015. - 17 p.
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2015-04-01
07:54
First observation and measurement of the branching fraction for the decay $B^0_s \to D_s^{*\mp} K^{\pm}$ / LHCb Collaboration
The first observation of the $B^0_s \to D_s^{*\mp} K^{\pm}$ decay is reported using 3.0$fb^{-1}$ of proton-proton collision data collected by the LHCb experiment. [...]
arXiv:1503.09086 ; LHCB-PAPER-2015-008 ; CERN-PH-EP-2015-081.
- 2015. - 17 p.
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2015-03-27
07:41
Observation of the ${B^0 \to \rho^0 \rho^0}$ decay from an amplitude analysis of ${B^0 \to (\pi^+\pi^-)(\pi^+\pi^-)}$ decays / LHCb collaboration
Proton-proton collision data recorded in 2011 and 2012 by the LHCb experiment, corresponding to an integrated luminosity of 3.0 fb$^{-1}$i, are analysed to search for the charmless ${B^0 \to \rho^0 \rho^0}$ decay. [...]
arXiv:1503.07770 ; LHCB-PAPER-2015-006 ; CERN-PH-EP-2015-077.
- 2015. - 21 p.
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2015-03-27
07:41
Observation of the $B^0_s\to\eta'\eta'$ decay / LHCb collaboration
The first observation of the $B^0_s\to\eta'\eta'$ decay is reported. [...]
arXiv:1503.07483 ; LHCB-PAPER-2014-065 ; CERN-PH-EP-2015-073.
- 2015. - 17 p.
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2015-03-25
18:10
Differential branching fraction and angular analysis of $\Lambda^{0}_{b} \rightarrow \Lambda^0 \mu^+\mu^-$ decays / LHCb collaboration
The differential branching fraction of the rare decay $\Lambda^{0}_{b} \rightarrow \Lambda^0 \mu^+\mu^-$ is measured as a function of $q^{2}$, the square of the dimuon invariant mass. [...]
arXiv:1503.07138 ; LHCB-PAPER-2015-009 ; CERN-PH-EP-2015-078.
- 2015. - 27 p.
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2015-03-25
18:10
Observation of the decay $\overline{B}_s^0 \rightarrow \psi(2S) K^+ \pi^-$ / LHCb collaboration
The decay $\overline{B}_s^0 \rightarrow \psi(2S) K^+ \pi^-$ is observed using a data set corresponding to an integrated luminosity of $3.0fb^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV [...]
arXiv:1503.07112 ; CERN-PH-EP-2015-072 ; LHCB-PAPER-2015-010.
- 2015. - 15 p.
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2015-03-25
18:10
Measurement of $CP$ violation in $B^0 \rightarrow J/\psi K^0_S$ decays / LHCb collaboration
Measurements are presented of the $CP$ violation observables $S$ and $C$ in the decays of $B^0$ and $\overline{B}{}^0$ mesons to the $J/\psi K^0_S$ final state. [...]
arXiv:1503.07089 ; LHCB-PAPER-2015-004 ; CERN-PH-EP-2015-076.
- 2015. - 19 p.
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