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CERN Document Server Pronađeno je 483 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.63 sekundi 
1.
Identification of charm jets at LHCb / LHCb Collaboration
The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration dataset recorded by the LHCb detector and selected such that the jets are unbiased in quantities used in the tagging algorithm. [...]
arXiv:2112.08435; LHCb-DP-2021-006.- 2022-02-22 - 22 p. - Published in : JINST 17 (2022) P02028 Fulltext: document - PDF; Aaij_2022_J._Inst._17_P02028 - PDF; 2112.08435 - PDF;
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2.
Measurement of the photon polarization in $\Lambda_{b}^{0}$ $\to$ $\Lambda$ $\gamma$ decays / LHCb Collaboration
The photon polarization in $b\to s\gamma$ transitions is measured for the first time in radiative b-baryon decays exploiting the unique spin structure of $\Lambda_{b}^{0}\to\Lambda\gamma$ decays. A data sample corresponding to an integrated luminosity of $6\;\mathrm{fb^{-1}}$ collected by the LHCb experiment in $pp$ collisions at a center-of-mass energy of $13\;\mathrm{TeV}$ is used. [...]
arXiv:2111.10194; LHCb-PAPER-2021-030; CERN-EP-2021-230.- 2022-03-01 - 11 p. - Published in : Phys. Rev. D 105 (2022) L051104 Fulltext: 2111.10194 - PDF; Lb2L0Gamma_Angular_Paper - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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3.
Centrality determination in heavy-ion collisions with the LHCb detector / LHCb Collaboration
The centrality of heavy-ion collisions is directly related to the medium created therein. A procedure to determine the centrality of collisions with the LHCb detector is implemented for lead-lead collisions at $\sqrt{s_{\scriptscriptstyle\text{NN}}}=5\, \mathrm{TeV}$ and lead-neon fixed-target collisions at $\sqrt{s_{\scriptscriptstyle\text{NN}}}=69\, \mathrm{GeV}$. [...]
arXiv:2111.01607; CERN-LHCb-DP-2021-002.- 2022-05-05 - 31 p. - Published in : JINST 17 (2022) P05009 Fulltext: 2111.01607 - PDF; document - PDF;
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4.
Search for massive long-lived particles decaying semileptonically at $\sqrt{s}=13$ TeV / LHCb Collaboration
A search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. [...]
arXiv:2110.07293; LHCb-PAPER-2021-028; CERN-EP-2021-186; LHCB-PAPER-2021-028.- Geneva : CERN, 2022-04-28 - 31 p. - Published in : Eur. Phys. J. C 82 (2022) 373 Fulltext: 2110.07293 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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5.
Observation of Two New Excited $\Xi_b^0$ States Decaying to $\Lambda^0_b K^- \pi^+$ / LHCb Collaboration
Two narrow resonant states are observed in the ${\it\Lambda}_b^0 K^-\pi^+$ mass spectrum using a data sample of proton-proton collisions at a center-of-mass energy of 13$\rm TeV$, collected by the LHCb experiment and corresponding to an integrated luminosity of $6~{\rm fb}^{-1}$. The minimal quark content of the ${\it\Lambda}_b^0 K^-\pi^+$ system indicates that these are excited ${\it\Xi}_b^0$ baryons. [...]
arXiv:2110.04497; LHCb-PAPER-2021-025; CERN-EP-2021-188; LHCB-PAPER-2021-025.- Geneva : CERN, 2022-04-21 - 20 p. - Published in : Phys. Rev. Lett. 128 (2022) 162001 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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6.
Simultaneous determination of CKM angle $\gamma$ and charm mixing parameters / LHCb Collaboration
A combination of measurements sensitive to the $C\!P$ violation angle $\gamma$ of the Cabibbo--Kobayashi--Maskawa unitarity triangle and to the charm mixing parameters that describe oscillations between $D^0$ and $\overline{D}^0$ mesons is performed. Results from the charm and beauty sectors, based on data collected with the LHCb detector at CERN's Large Hadron Collider, are combined for the first time. [...]
arXiv:2110.02350; LHCb-PAPER-2021-033; CERN-EP-2021-183; LHCB-PAPER-2021-033.- Geneva : CERN, 2021-12-21 - 32 p. - Published in : JHEP 2112 (2021) 141 Fulltext: document - PDF; 2110.02350 - PDF; Related data file(s): ZIP;
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7.
Observation of the suppressed $\Lambda_b^0\to D p K^-$ decay with $D\to K^+ \pi^-$ and measurement of its $C\!P$ asymmetry / LHCb Collaboration
A study of $\Lambda^0_b$ baryon decays to the $DpK^-$ final state is presented based on a proton-proton collision data sample corresponding to an integrated luminosity of 9fb$^{-1}$ collected with the LHCb detector. Two $\Lambda^0_b$ decays are considered, $\Lambda^0_b\to DpK^-$ with $D\to K^-\pi^+$ and $D\to K^+\pi^-$, where $D$ represents a superposition of $D^0$ and $\overline{D}^0$ states. [...]
arXiv:2109.02621; LHCb-PAPER-2021-027; CERN-EP-2021-179; LHCB-PAPER-2021-027.- 2021-12-01 - 14 p. - Published in : Phys. Rev. D 104 (2021) 112008 Fulltext: 2109.02621 - PDF; LHCb-PAPER-2021-027 - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP;
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8.
Study of $Z$ bosons produced in association with charm in the forward region / LHCb Collaboration
The fraction of $Z+$jet events that contain a charm jet is measured for the first time in the forward region of proton-proton collisions. The data sample used corresponds to an integrated luminosity of 6 fb$^{-1}$ collected at a center-of-mass energy of $13$ TeV with the LHCb detector. [...]
arXiv:2109.08084; LHCb-PAPER-2021-029; CERN-EP-2021-176; LHCB-PAPER-2021-029.- Geneva : CERN, 2022-02-24 - 24 p. - Published in : Phys. Rev. Lett. 128 (2022) 082001 Fulltext: 2109.08084 - PDF; LHCb-PAPER-2021-029 - PDF; PhysRevLett.128.082001 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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9.
Search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ in the $\it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ final state / LHCb Collaboration
A search for the doubly charmed baryon $\it{\Xi}_{cc}^{+}$ is performed in the $\it{\Xi}_{c}^{+} \pi^{-} \pi^{+}$ invariant-mass spectrum, where the $\it{\Xi}_{c}^{+}$ baryon is reconstructed in the $p K^{-} \pi^{+}$ final state. The study uses proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of 13$\mathrm{\,Te\kern -0.1em V}$, corresponding to a total integrated luminosity of 5.4$\,\mathrm{fb}^{-1}$. [...]
arXiv:2109.07292; LHCb-PAPER-2021-019; CERN-EP-2021-155; LHCB-PAPER-2021-019.- Geneva : CERN, 2021-12-16 - 27 p. - Published in : JHEP 2112 (2021) 107 Fulltext: 2109.07292 - PDF; document - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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10.
Measurement of $\chi_{c1}(3872)$ production in proton-proton collisions at $\sqrt{s}=8$ and 13 TeVMeasurement of χ$_{c1}$(3872) production in proton-proton collisions at $ \sqrt{s} $ = 8 and 13 TeV / LHCb Collaboration
The production cross-section of the $\chi_{c1}(3872)$ state relative to the $\psi(2S)$ meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $\sqrt{s}=8$ and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb$^{-1}$, respectively. The two mesons are reconstructed in the $J/\psi\pi^{+}\pi^{-}$ final state. [...]
arXiv:2109.07360; LHCb-PAPER-2021-026; CERN-EP-2021-182; LHCB-PAPER-2021-026.- Geneva : CERN, 2022-01-24 - 27 p. - Published in : JHEP 01 (2022) 131 Fulltext: 2109.07360 - PDF; document - PDF; Related data file(s): ZIP;
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CERN Document Server : Pronađeno je 483 zapisa   1 - 10slijedećikraj  idi na zapis:
Također vidi: slična imena autora
34 Giubega, L.
4 Giubega, Lavinia-Elena
494 Giubega, Lavinia-Helena
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