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Precision measurement of forward $Z$ boson production in proton-proton collisions at $\sqrt{s} = 13$ TeV / LHCb Collaboration
A precision measurement of the $Z$ boson production cross-section at $\sqrt{s} = 13$ TeV in the forward region is presented, using $pp$ collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.1 fb$^{-1}$. The production cross-section is measured using $Z\rightarrow\mu^+\mu^-$ events within the fiducial region defined as pseudorapidity $2.0<\eta<4.5$ and transverse momentum $p_{T}>20$ GeV/$c$ for both muons and dimuon invariant mass $60 < M_{\mu\mu}<120$ GeV/$c^2$. [...]
arXiv:2112.07458; LHCb-PAPER-2021-037; CERN-EP-2021-246; LHCB-PAPER-2021-037.- Geneva : CERN, 2022-07-05 - 57 p. - Published in : JHEP 2207 (2022) 026 Fulltext: PDF; Related data file(s): ZIP;

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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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Measurement of $J/\psi$ production cross-sections in $pp$ collisions at $\sqrt{s}=5$ TeV / LHCb Collaboration
The production cross-sections of $J/\psi$ mesons in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=5$ TeV are measured using a data sample corresponding to an integrated luminosity of $9.13\pm0.18~\text{pb}^{-1}$, collected by the LHCb experiment. The cross-sections are measured differentially as a function of transverse momentum, $p_{\text{T}}$, and rapidity, $y$, and separately for $J/\psi$ mesons produced promptly and from beauty hadron decays (nonprompt). [...]
arXiv:2109.00220; LHCb-PAPER-2021-020; CERN-EP-2021-156; LHCB-PAPER-2021-020.- Geneva : CERN, 2021 - 34 p. - Published in : JHEP 2111 (2021) 181 Fulltext: PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Observation of the Mass Difference Between Neutral Charm-Meson Eigenstates / LHCb Collaboration
A measurement of mixing and $C\!P$ violation in neutral charm mesons is performed using data reconstructed in proton-proton collisions collected by the LHCb experiment from 2016 to 2018, corresponding to an integrated luminosity of 5.4$\textrm{fb}^{-1}$. A total of $30.6$ million $D^{0}\rightarrow K^{0}_{\mathrm{S}}\pi^{+}\pi^{-}$ decays are analyzed using a method optimized for the measurement of the mass difference between neutral charm-meson eigenstates. [...]
arXiv:2106.03744; LHCb-PAPER-2021-009; CERN-EP-2021-099; LHCB-PAPER-2021-009.- Geneva : CERN, 2021-09-07 - 12 p. - Published in : Phys. Rev. Lett. Fulltext: LHCb-PAPER-2021-009_v3 - PDF; 2106.03744 - PDF; Fulltext from publisher: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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First measurement of the $C\!P$-violating phase in ${{B} ^0_{s}} \!\rightarrow {{J /\psi }} (\rightarrow e ^+e ^-$)$\phi $ decays / LHCb Collaboration
A flavour-tagged time-dependent angular analysis of $B^0_s\to J/\psi\phi$ decays is presented where the $J/\psi$ meson is reconstructed through its decay to an $e^+e^-$ pair. The analysis uses a sample of $pp$ collision data recorded with the LHCb experiment at centre-of-mass energies of $7$ and $8$ TeV, corresponding to an integrated luminosity of $3$ fb$^{-1}$. [...]
arXiv:2105.14738; LHCb-PAPER-2020-042; CERN-EP-2021-064; LHCB-PAPER-2020-042.- Geneva : CERN, 2021-11-24 - 28 p. - Published in : Eur. Phys. J. C 81 (2021) 1026 Fulltext: document - PDF; LHCb-PAPER-2020-042 - PDF; 2105.14738 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Measurement of prompt-production cross-section ratio $\sigma(\chi_{c2})/\sigma(\chi_{c1})$ in $p$Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV / LHCb Collaboration
This Letter reports the first measurement of prompt $\chi_{c1}$ and $\chi_{c2}$ charmonium production in nuclear collisions at LHC energies. The cross-section ratio $\sigma(\chi_{c2}) / \sigma(\chi_{c1})$ is measured in $p$Pb collisions at $\sqrt{s_{NN}}$~=~8.16~TeV, collected with the LHCb experiment. [...]
arXiv:2103.07349; LHCb-PAPER-2020-048; CERN-EP-2021-024F; CERN-EP-2021-024; LHCB-PAPER-2020-048.- 2021-06-09 - 18 p. - Published in : Phys. Rev. C 103 (2021) 064905 Article from SCOAP3: PDF; Fulltext: 2103.07349 - PDF; LHCb-PAPER-2020-048 - PDF; Related data file(s): ZIP;

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Precise measurement of the $f_s/f_d$ ratio of fragmentation fractions and of $B^0_s$ decay branching fractions / LHCb Collaboration
The ratio of the $B^0_s$ and $B^0$ fragmentation fractions, $f_s/f_d$, in proton-proton collisions at the LHC, is obtained as a function of $B$-meson transverse momentum and collision centre-of-mass energy from the combined analysis of different $B$-decay channels measured by the LHCb experiment. The results are described by a linear function of the meson transverse momentum, or with a function inspired by Tsallis statistics. [...]
arXiv:2103.06810; LHCb-PAPER-2020-046; CERN-EP-2021-027; LHCB-PAPER-2020-046.- 2021-08-01 - 33 p. - Published in : Phys. Rev. D 104 (2021) 032005 Fulltext: PDF; Related data file(s): ZIP;

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First observation of the decay $B_s^0 \to K^-\mu^+\nu_\mu$ and measurement of $|V_{ub}|/|V_{cb}|$ / LHCb Collaboration
The first observation of the suppressed semileptonic $B_s^0 \to K^-\mu^+\nu_\mu$ decay is reported. Using a data sample recorded in $pp$ collisions in 2012 with the LHCb detector, corresponding to an integrated luminosity of 2 $\mathrm{fb}^{-1}$, the branching fraction $\mathcal{B}(B_s^0 \to K^-\mu^+\nu_\mu)$} is measured to be $(1.06\pm0.05~(\mathrm{stat})\pm0.08~(\mathrm{syst}))\times 10^{-4}$, where the first uncertainty is statistical and the second one represents the combined systematic uncertainties. [...]
arXiv:2012.05143; LHCb-PAPER-2020-038; CERN-EP-2020-224; CERN-EP-2020-224; LHCB-PAPER-2020-038.- Geneva : CERN, 2021-02-25 - 11 p. - Published in : Phys. Rev. Lett. 126 (2021) 081804 Article from SCOAP3: PDF; Fulltext: LHCb-PAPER-2020-038 - PDF; 2012.05143 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Search for long-lived particles decaying to $e^{\pm} \mu^{\mp} \nu$ / LHCb Collaboration
Long-lived particles decaying to $e^\pm \mu^\mp \nu$, with masses between 7 and 50 GeV/c$^2$ and lifetimes between 2 and 50 ps, are searched for by looking at displaced vertices containing electrons and muons of opposite charges. The search is performed using 5.4 fb$^{-1}$ of $pp$ collisions collected with the LHCb detector at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
arXiv:2012.02696; LHCb-PAPER-2020-027; CERN-EP-2020-212.- Geneva : CERN, 2021-03-26 - 16 p. - Published in : Eur. Phys. J. C 81 (2021) 261 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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10.

Measurement of the branching fraction of the $B^{0}\rightarrow D_{s}^{+}\pi^{-}$ decay / LHCb Collaboration
A branching fraction measurement of the $B^{0}\rightarrow D_{s}^{+}\pi^{-}$ decay is presented using proton-proton collision data collected with the LHCb experiment, corresponding to an integrated luminosity of $5.0\,$fb$^{-1}$. The branching fraction is found to be ${\mathcal{B}(B^{0}\rightarrow D_{s}^{+}\pi^{-}) = (19.4 \pm 1.8\pm 1.3 \pm 1.2)\times 10^{-6}}$, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the $B^0 \to D^{-}\pi^{+}$, $D_{s}^{+}\rightarrow K^{+}K^{-}\pi^{+}$ and $D^{-}\rightarrow K^{+}\pi^{-}\pi^{-}$ branching fractions. [...]
arXiv:2010.11986; LHCb-PAPER-2020-021; CERN-EP-2020-183; LHCB-PAPER-2020-021.- Geneva : CERN, 2021-04-12 - 15 p. - Published in : Eur. Phys. J. C 81 (2021) 314 Article from SCOAP3: PDF; Fulltext: 2010.11986 - PDF; Bd2DsPi_Paper_v4.0 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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See also: similar author names
2	K, Rakhi N
1	K, Rama Sudha

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