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LHCb Papers

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2015-01-14
07:26
Angular analysis of the $B^0 \rightarrow K^{*0} e^+ e^-$ decay in the low-$q^2$ region / LHCb collaboration
An angular analysis of the $B^0 \rightarrow K^{*0} e^+ e^-$ decay is performed using a data sample, corresponding to an integrated luminosity of 3.0 ${\mbox{fb}^{-1}}$, collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV during 2011 and 2012. [...]
arXiv:1501.03038 ; LHCB-PAPER-2014-066 ; CERN-PH-EP-2014-301. - 2015. - 18 p.
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2014-12-22
07:58
Study of the rare $B_s^0$ and $B^0$ decays into the $\pi^+\pi^-\mu^+\mu^-$ final state / LHCb collaboration
A search for the rare decays $B_s^0 \to \pi^+\pi^-\mu^+\mu^-$ and $B^0 \to \pi^+\pi^-\mu^+\mu^-$ is performed in a data set corresponding to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb detector in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. [...]
arXiv:1412.6433 ; CERN-PH-EP-2014-296 ; LHCB-PAPER-2014-063. - 2014. - 21 p.
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2014-12-10
07:44
Search for long-lived particles decaying to jet pairs / LHCb collaboration
A search is presented for long-lived particles with a mass between 25 and 50 GeV$/c^2$ and a lifetime between 1 and 200 ps in a sample of proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$=7 TeV, corresponding to an integrated luminosity of 0.62 fb$^{-1}$, collected by the LHCb detector. [...]
arXiv:1412.3021 ; LHCB-PAPER-2014-062 ; CERN-PH-EP-2014-291. - 2014. - 22 p.
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2014-12-09
15:38
Measurement of the inelastic $pp$ cross-section at a centre-of-mass energy of $\sqrt{s}=7$ TeV / LHCb Collaboration
The cross-section for inelastic proton-proton collisions, with at least one prompt long-lived charged particle of transverse momentum $p_{\rm T}>0.2$ GeV/$c$ in the pseudorapidity range $2.0<\eta<4.5$, is measured by the LHCb experiment at a centre-of-mass energy of $\sqrt{s}=7$ TeV. [...]
arXiv:1412.2500 ; LHCB-PAPER-2014-057 ; CERN-PH-EP-2014-285. - 2014. - 15 p.
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2014-11-27
08:06
Measurement of the lifetime of the $B_c^+$ meson using the $B_c^+ \rightarrow J/\psi\pi^+$ decay mode / LHCb collaboration
The difference in total widths between the $B_c^+$ and $B^+$ mesons is measured using 3.0fb$^{-1}$ of data collected by the LHCb experiment in 7 and 8 TeV centre-of-mass energy proton-proton collisions at the LHC. [...]
arXiv:1411.6899 ; CERN-PH-EP-2014-283 ; LHCB-PAPER-2014-060. - 2014. - 19 p.
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2014-11-19
09:27
Observation of two new $\Xi_b^-$ baryon resonances / LHCb collaboration
Two structures are observed close to the kinematic threshold in the $\Xi_b^0\pi^-$ mass spectrum in a sample of proton-proton collision data, corresponding to an integrated luminosity of 3.0 fb$^{-1}$ recorded by the LHCb experiment. [...]
arXiv:1411.4849 ; CERN-PH-EP-2014-279 ; LHCB-PAPER-2014-061. - 2014. - 17 p.
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2014-11-19
09:27
Observation of the rare $B^0_s\to\mu^+\mu^-$ decay from the combined analysis of CMS and LHCb data / CMS and LHCb Collaborations
A joint measurement is presented of the branching fractions $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ in proton-proton collisions at the LHC by the CMS and LHCb experiments. [...]
arXiv:1411.4413 ; CERN-PH-EP-2014-220 ; CMS-BPH-13-007 ; LHCB-PAPER-2014-049. - 2014. - 46 p.
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2014-11-13
07:50
Precision measurement of $CP$ violation in $B_s^0 \to J/\psi K^+K^-$ decays / LHCb Collaboration
The time-dependent $CP$ asymmetry in $B_s^0 \to J/\psi K^+K^-$ decays is measured using $pp$ collision data, corresponding to an integrated luminosity of $3.0$fb$^{-1}$, collected with the LHCb detector at centre-of-mass energies of $7$ and $8$TeV. [...]
arXiv:1411.3104 ; LHCB-PAPER-2014-059 ; CERN-PH-EP-2014-271. - 2014. - 19 p.
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2014-11-12
14:27
Measurement of $B_c^+$ production in proton-proton collisions at $\sqrt{s}=8$ TeV / LHCb Collaboration
Production of $B_c^+$ mesons in proton-proton collisions at a center-of-mass energy of 8 TeV is studied with data corresponding to an integrated luminosity of $2.0~{\rm fb^{-1}}$ recorded by the LHCb experiment. [...]
arXiv:1411.2943 ; LHCB-PAPER-2014-050 ; CERN-PH-EP-2014-269. - 2014. - 16 p.
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2014-11-06
16:27
Measurement of the CP-violating phase $\beta$ in $B^0\rightarrow J/\psi \pi^+\pi^-$ decays and limits on penguin effects / LHCb Collaboration
Time-dependent CP violation is measured in the $B^0\rightarrow J/\psi\pi^+\pi^-$ channel for each $\pi^+\pi^-$ resonant final state using data collected with an integrated luminosity of 3.0 fb$^{-1}$ in $pp$ collisions using the LHCb detector. [...]
arXiv:1411.1634 ; LHCB-PAPER-2014-058 ; CERN-PH-EP-2014-268. - 2014. - 18 p.
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