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2014-03-07
16:19
Measurement of $\psi(2S)$ polarisation in $pp$ collisions at $\sqrt{s}=7$ TeV
The polarisation of prompt $\psi(2S)$ mesons is measured by performing an angular analysis of $\psi(2S)\rightarrow \mu^{+} \mu^{-}$ decays using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb detector at a centre-of-mass energy of 7 TeV. [...]
CERN-PH-EP-2014-029 ; LHCB-PAPER-2013-067. - 2014.
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2014-02-28
04:27
Observation of photon polarization in the $b \to s\gamma$ transition / LHCb collaboration
This Letter presents a study of the flavor-changing neutral current radiative $B^{\pm} \to K^{\pm}\pi^{\mp}\pi^{\pm}\gamma$ decays performed using data collected in proton-proton collisions with the LHCb detector at $7$ and $8\,$TeV center-of-mass energies. [...]
arXiv:1402.6852 ; CERN-PH-EP-2014-026 ; LHCB-PAPER-2014-001. - 2014. - 17 p.
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2014-02-26
16:23
Measurement of resonant and $CP$ components in $\overline{B}_s^0\to J/\psi\pi^+\pi^-$ decays / LHCb Collaboration
The resonant structure of the decay $\overline{B}_s^0\to J/\psi\pi^+\pi^-$ is studied using data corresponding to 3 fb$^{-1}$ of integrated luminosity from $pp$ collisions by the LHC and collected by the LHCb detector. [...]
arXiv:1402.6248 ; LHCB-PAPER-2013-069 ; CERN-PH-EP-2014-024. - 2014. - 31 p.
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2014-02-26
04:32
Precision measurement of the ratio of the $\Lambda^0_b$ to $\overline{B}^0$ lifetimes / LHCb collaboration
The LHCb measurement of the lifetime ratio of the $\Lambda^0_b$ to the $\overline{B}^0$ meson is updated using data corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected using 7 and 8 TeV centre-of-mass energy $pp$ collisions at the LHC. [...]
arXiv:1402.6242 ; CERN-PH-EP-2014-027 ; LHCB-PAPER-2014-003. - 2014. - 11 p.
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2014-02-19
04:12
Measurement of charged particle multiplicities and densities in $pp$ collisions at $\sqrt{s}$ = 7 TeV in the forward region / LHCb collaboration
Charged particle multiplicities are studied in proton-proton collisions in the forward region at a centre-of-mass energy of $\sqrt{s} = 7\;$TeV with data collected in 2010 by the LHCb detector. [...]
arXiv:1402.4430 ; CERN-PH-EP-2014-023 ; LHCB-PAPER-2013-070. - 2014. - 23 p.
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2014-02-14
04:33
A study of CP violation in $B^\pm \to D K^\pm$ and $B^\pm \to D \pi^\pm$ decays with $D \to K^0_{\rm S} K^\pm \pi^\mp$ final states / LHCb Collaboration
A first study of CP violation in the decay modes $B^\pm\to [K^0_{\rm S} K^\pm \pi^\mp]_D h^\pm$ and $B^\pm\to [K^0_{\rm S} K^\mp \pi^\pm]_D h^\pm$, where $h$ labels a $K$ or $\pi$ meson and $D$ labels a $D^0$ or $\overline{D}^0$ meson, is performed. [...]
arXiv:1402.2982 ; CERN-PH-EP-2014-017 ; LHCB-PAPER-2013-068. - 2014. - 21 p.
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2014-02-12
04:27
Measurements of the $B^+$, $B^0$, $B_s^0$ meson and $\Lambda_b^0$ baryon lifetimes / LHCb collaboration
Measurements of $b$-hadron lifetimes are reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0fb$^{-1}$, collected by the LHCb detector at a centre-of-mass energy of $7$Tev. [...]
arXiv:1402.2554 ; LHCB-PAPER-2013-065 ; CERN-PH-EP-2014-018. - 2014. - 28 p.
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2014-02-12
04:27
Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s}=2.76$ TeV / LHCb collaboration
The production of $\Upsilon(1S)$, $\Upsilon(2S)$ and $\Upsilon(3S)$ mesons decaying into the dimuon final state is studied with the LHCb detector using a data sample corresponding to an integrated luminosity of 3.3 $pb^{-1}$ collected in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=2.76$ TeV. [...]
arXiv:1402.2539 ; CERN-PH-EP-2014-016 ; LHCB-PAPER-2013-066. - 2014. - 21 p.
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2014-02-05
04:21
Searches for $\Lambda^0_{b}$ and $\Xi^{0}_{b}$ decays to $K^0_{\rm S} p \pi^{-}$ and $K^0_{\rm S}p K^{-}$ final states with first observation of the $\Lambda^0_{b} \rightarrow K^0_{\rm S}p \pi^{-}$ decay / LHCb collaboration
A search for previously unobserved decays of beauty baryons to the final states $K^0_{\rm\scriptscriptstyle S} p \pi^{-}$ and $K^0_{\rm\scriptscriptstyle S}p K^{-}$ is reported. [...]
arXiv:1402.0770 ; LHCB-PAPER-2013-061 ; CERN-PH-EP-2014-012. - 2014. - 27 p.
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2014-01-28
04:24
Measurement of the $B_c^+$ meson lifetime using $B_c^+ \to J/\psi\mu^+ \nu_{\mu} X$ decays / LHCb collaboration
The lifetime of the $B_c^+$ meson is measured using semileptonic decays having a $J/\psi$ meson and a muon in the final state. [...]
arXiv:1401.6932 ; CERN-PH-EP-2014-008 ; LHCB-PAPER-2013-063. - 2014. - 28 p.
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