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LHCb Papers

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2016-07-27
08:13
Measurement of the ratio of branching fractions $\mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ / LHCb collaboration
The ratio of branching fractions $R_{K/\pi} \equiv \mathcal{B}(B_{c}^{+} \to J/\psi K^{+})/\mathcal{B}(B_{c}^{+} \to J/\psi\pi^{+})$ is measured with $pp$ collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 3${\mbox{fb}^{-1}}$. [...]
arXiv:1607.06823 ; LHCB-PAPER-2016-020 ; CERN-EP-2016-173.
- 2016. - 16 p.
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2016-07-21
16:11
Measurement of the $B_{s}^{0} \rightarrow J/\psi \eta$ lifetime
Using a data set corresponding to an integrated luminosity of $3 fb^{-1}$, collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the $B^0_s \rightarrow J/\psi \eta$ decay mode, $\tau_{\textrm{eff}}$, is measured to be $$\tau_{\textrm{eff}} = 1.479 \pm 0.034~\textrm{(stat)} \pm 0.011 ~\textrm{(syst)}\rm ps.$$ Assuming $CP$ conservation, $\tau_{\textrm{eff}}$ corresponds to the lifetime of the light $B_s^0$ mass eigenstate. [...]
CERN-EP-2016-166 ; LHCB-PAPER-2016-017.
- 2016.
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2016-07-21
11:31
Measurement of the forward Z boson production cross-section in pp collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration
A measurement of the production cross-section of Z bosons in pp collisions at $\sqrt{s} = 13$ TeV is presented using dimuon and dielectron final states in LHCb data [...]
arXiv:1607.06495 ; LHCB-PAPER-2016-021 ; CERN-EP-2016-170.
- 2016. - 32 p.
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2016-07-21
09:05
Study of $B^+_c$ decays to the $K^+K^-\pi^+$ final state and evidence for the decay $B^+_c\to\chi_{c0}\pi^+$ / LHCb Collaboration
A study of $B_c^+\to K^+K^-\pi^+$ decays is performed for the first time using data corresponding to an integrated luminosity of 3.0 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of $7$ and $8$ TeV. [...]
arXiv:1607.06134 ; LHCB-PAPER-2016-022 ; CERN-EP-2016-176.
- 2016. - 17 p.
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2016-06-28
15:21
Amplitude analysis of $B^+\to J/\psi \phi K^+$ decays
The first full amplitude analysis of $B^+\to J/\psi \phi K^+$ with $J/\psi\to\mu^+\mu^-$, $\phi\to K^+K^-$ decays is performed with a data sample of 3 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=7$ and $8$ TeV with the LHCb detector. [...]
CERN-EP-2016-156 ; LHCB-PAPER-2016-019.
- 2016.
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2016-06-28
08:04
Amplitude analysis of $B^+\to J/\psi \phi K^+$ decays / LHCb collaboration
The first full amplitude analysis of $B^+\to J/\psi \phi K^+$ with $J/\psi\to\mu^+\mu^-$, $\phi\to K^+K^-$ decays is performed with a data sample of 3 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=7$ and $8$ TeV with the LHCb detector. [...]
arXiv:1606.07898 ; LHCB-PAPER-2016-019 ; CERN-EP-2016-156.
- 2016. - 61 p.
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2016-06-28
08:04
Observation of $J/\psi\phi$ structures consistent with exotic states from amplitude analysis of $B^+\to J/\psi \phi K^+$ decays / LHCb collaboration
The first full amplitude analysis of $B^+\to J/\psi \phi K^+$ with $J/\psi\to\mu^+\mu^-$, $\phi\to K^+K^-$ decays is performed with a data sample of 3 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=7$ and $8$ TeV with the LHCb detector. [...]
arXiv:1606.07895 ; LHCB-PAPER-2016-018 ; CERN-EP-2016-155.
- 2016. - 18 p.
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2016-06-23
08:48
Evidence for exotic hadron contributions to $\Lambda_b^0 \to J/\psi p \pi^-$ decays / LHCb collaboration
A full amplitude analysis of $\Lambda_b^0 \to J/\psi p \pi^-$ decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV $pp$ collisions, corresponding to an integrated luminosity of 3 fb$^{-1}$. [...]
arXiv:1606.06999 ; LHCB-PAPER-2016-015 ; CERN-EP-2016-151.
- 2016. - 33 p.
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2016-06-16
08:31
Measurements of the S-wave fraction in $B^{0}\rightarrow K^{+}\pi^{-}\mu^{+}\mu^{-}$ decays and the $B^{0}\rightarrow K^{\ast}(892)^{0}\mu^{+}\mu^{-}$ differential branching fraction / LHCb collaboration
A measurement of the differential branching fraction of the decay ${B^{0}\rightarrow K^{\ast}(892)^{0}\mu^{+}\mu^{-}}$ is presented together with a determination of the S-wave fraction of the $K^+\pi^-$ system in the decay $B^{0}\rightarrow K^{+}\pi^{-}\mu^{+}\mu^{-}$. [...]
arXiv:1606.04731 ; CERN-EP-2016-141 ; LHCB-PAPER-2016-012.
- 2016.
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2016-06-01
10:16
Measurement of the $CP$ asymmetry in $B^0_s -\overline B {^0 _s}$ mixing / LHCb Collaboration
The $CP$ asymmetry in the mixing of $B_s^0$ and $\overline{B}{}_s^0$ mesons is measured in proton-proton collision data corresponding to an integrated luminosity of 3.0 fb$^{-1}$, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. [...]
arXiv:1605.09768 ; LHCB-PAPER-2016-013 ; CERN-EP-2016-133.
- 2016. - 17 p.
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