# EP Preprints

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. Fulltext - Related data file(s) - Supplementary information - Preprint

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. - conference slides - INTERACTIONS - Full text - Fulltext - Related data file(s)

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. Full text - Fulltext - Related data files

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. - Full text - Fulltext - Related data file(s) - Supplementary information

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. Fulltext - Related data file(s) - Full text

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. Fulltext - Related data file(s) - Full text

2017-05-18
14:39
 PAMPA. A Panel and menu management package / Carena, F ; Marin, J C ; Pape, L PROG-60 ; CERN-DELPHI-86-95-PROG-60. - 1986. - 28 p. Full text

2017-05-18
14:22
 CARGO. A hierarchical data - Base management system / Gopal, G P PROG-46 ; CERN-DELPHI-86-28-PROG-46. - 1986. - 76 p. Full text

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

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. Fulltext - Related data file(s) - Supplementary material - Supplementary material (zip) - Full text - Fulltext