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LHCb Papers

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2017-07-27
14:24
Observation of $D^0$ meson decays to $\pi^+\pi^-\mu^+\mu^-$ and $K^+K^-\mu^+\mu^-$ final states / LHCb Collaboration
The first observation of the $D^0 \to \pi^+\pi^-\mu^+\mu^-$ and $D^0 \to K^+K^-\mu^+\mu^-$ decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass energy of 8$\,$TeV, and corresponding to 2$\,$fb$^{-1}$ of integrated luminosity. [...]
LHCB-PAPER-2017-019 ; CERN-EP-2017-167 ; arXiv:1707.08377.
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Preprint - Fulltext - Related data file(s) - Supplementary information

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2017-07-10
15:56
Study of prompt D$^0$ meson production in pPb collisions at $\sqrt{s}=5 TeV$ / LHCb Collaboration
Production of prompt D$^0$ mesons is studied in proton-lead and lead-proton collisions recorded at the LHCb detector at the LHC. [...]
LHCB-PAPER-2017-015 ; CERN-EP-2017-135 ; arXiv:1707.02750 ; LHCB-PAPER-2017-015.
- 2017. - 27 p.
Fulltext - Related data file(s) - Supplementary information - Preprint

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2017-07-07
07:35
Observation of the doubly charmed baryon $\Xi_{cc}^{++}$ / LHCb Collaboration
A highly significant structure is observed in the $\Lambda_c^+ K^- \pi^+ \pi^+$ mass spectrum, where the $\Lambda_c^+$ baryon is reconstructed in the decay mode $p K^- \pi^+$. [...]
LHCB-PAPER-2017-018 ; CERN-EP-2017-156 ; arXiv:1707.01621.
- 19 p.
conference slides - INTERACTIONS - Preprint - Fulltext - Related data file(s) - Supplementary information

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2017-06-24
09:59
Prompt and nonprompt J/$\psi$ production and nuclear modification in $p$Pb collisions at $\sqrt{s_{\text{NN}}}= 8.16$ TeV / LHCb Collaboration
The production of J/$\psi$ mesons is studied in proton-lead collisions at the centre-of-mass energy per nucleon pair $\sqrt{s_{\text{NN}}}=8.16$ TeV with the LHCb detector at the LHC. [...]
LHCB-PAPER-2017-014 ; CERN-EP-2017-122 ; arXiv:1706.07122 ; LHCB-PAPER-2017-014 ; EP-2017-122.
- 2017.
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2017-06-24
09:59
Study of charmonium production in $b$-hadron decays and first evidence for the decay $B_s^0 \rightarrow \phi \phi \phi$ / LHCb Collaboration
Using decays to $\phi$-meson pairs, the inclusive production of charmonium states in $b$-hadron decays is studied with $pp$ collision data corresponding to an integrated luminosity of $3.0fb^{-1}$, collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. [...]
LHCB-PAPER-2017-007 ; CERN-EP-2017-099 ; arXiv:1706.07013 ; LHCB-PAPER-2017-007.
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2017-06-06
11:29
Improved limit on the branching fraction of the rare decay $K^0_{\scriptscriptstyle S}\to\mu^+\mu^-$ / LHCb Collaboration
A search for the decay $K^0_{\scriptscriptstyle S}\to\mu^+\mu^-$ is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{-1}$, collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV. [...]
CERN-EP-2017-101-LHCB-PAPER-2017-009 ; arXiv:1706.00758 ; LHCB-PAPER-2017-009.
- 2017. - 20 p, 20 p.
Fulltext - Related data file(s) - Preprint

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2017-05-22
14:16
Updated 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 2 and 500 ps, using proton-proton collision data corresponding to an integrated luminosity of 2.0 fb$^{-1}$, collected by the LHCb detector at centre-of-mass energies of 7 and 8 TeV. [...]
LHCB-PAPER-2016-065 ; CERN-EP-2017-083 ; arXiv:1705.07332 ; LHCB-PAPER-2016-065.
- 2017. - 23 p.
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2017-05-18
09:34
Test of lepton universality with $B^{0} \rightarrow K^{*0}\ell^{+}\ell^{-}$ decays / LHCb Collaboration
A test of lepton universality, performed by measuring the ratio of the branching fractions of the $B^{0} \rightarrow K^{*0}\mu^{+}\mu{^-}$ and $B^{0} \rightarrow K^{*0}e^{+}e{^-}$ decays, $R_{K^{*0}}$, is presented. [...]
LHCB-PAPER-2017-013 ; CERN-EP-2017-100 ; arXiv:1705.05802 ; LHCB-PAPER-2017-013.
- 2017.
Fulltext - Related data file(s) - Full text

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2017-05-12
10:56
Measurement of $B^0_s$ and $D^-_s$ meson lifetimes / LHCb Collaboration
We report on a measurement of the flavor-specific $B^{0}_{s}$ lifetime and of the $D^{-}_{s}$ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and corresponding to 3.0 fb$^{-1}$ of integrated luminosity. [...]
CERN-EP-2017-070 ; LHCB-PAPER-2017-004 ; arXiv:1705.03475.
- 2017. - 16 p.
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2017-05-08
14:53
Observation of five new narrow $\Omega_c^0$ states decaying to $\Xi^+_c K^-$ / LHCb Collaboration
The $\Xi^+_c K^-$ mass spectrum is studied with a sample of $pp$ collision data corresponding to an integrated luminosity of 3.3 fb$^{-1}$, collected by the LHCb experiment. The $\Xi^+_c$ is reconstructed in the decay mode $pK^- \pi^+$. [...]
LHCB-PAPER-2017-002; CERN-EP-2017-037; arXiv:1703.04639; LHCB-PAPER-2017-002-AND-CERN-EP-2017-037; LHCB-PAPER-2017-002.- Geneva : CERN, 2017-05-02 - 10 p. - Published in : Phys. Rev. Lett. 118 (2017) 182001 Fulltext: 10.1103_PhysRevLett.118.182001 - PDF; arXiv:1703.04639 - PDF; Preprint: PDF; Supplementary information: ZIP;

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