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Charmonium production in $p$Ne collisions at $\sqrt{s_{\rm NN}}=68.5$ GeV / LHCb Collaboration
The measurement of charmonium states produced in proton-neon ($p$Ne) collisions by the LHCb experiment in its fixed-target configuration is presented. The production of $J/\psi$ and $\psi(2S)$ mesons is studied with a beam of 2.5 TeV protons colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy $\sqrt{s_{\rm NN}}=68.5$ GeV. [...]
arXiv:2211.11645; CERN-EP-2022-216; LHCb-PAPER-2022-014.- Geneva : CERN, 2023-07-17 - 11 p. - Published in : Eur. Phys. J. C 83 (2023) 625 Fulltext: Publication - PDF; 2211.11645 - PDF; Related data file(s): ZIP;

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${{J}/\psi }$ and ${{D}} ^0$ production in $\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV} $ PbNe collisions / LHCb Collaboration
The first measurement of $J/\psi$ and $D^0$ production in PbNe collisions by the LHCb experiment in its fixed-target configuration is reported. The production of $J/\psi$ and $D^0$ mesons is studied with a beam of lead ions with an energy of 2.5 TeV per nucleon colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy of $\sqrt{s_{\rm NN}}$ = 68.5 GeV. [...]
arXiv:2211.11652; CERN-EP-2022-215; LHCb-PAPER-2022-011.- Geneva : CERN, 2023-07-25 - 9 p. - Published in : Eur. Phys. J. C 83 (2023) 658 Fulltext: 2211.11652 - PDF; document - PDF; Related data file(s): ZIP;

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First observation of the $B^+ \rightarrow D_s^+ D_s^- K^+$ decay / LHCb Collaboration
The $B^+ \rightarrow D_s^+ D_s^- K^+$ decay is observed for the first time using proton-proton collision data collected by the LHCb detector at centre-of-mass energies of $7$, $8$ and $13\, \text{TeV}$, corresponding to an integrated luminosity of $9\,\text{fb}^{-1}$. Its branching fraction relative to that of the $B^{+} \rightarrow D^{+} D^{-} K^{+}$ decay is measured to be $$\frac{\mathcal{B}\left(B^{+} \rightarrow D_s^{+} D_s^{-} K^{+}\right)}{\mathcal{B}\left(B^{+} \rightarrow D^{+} D^{-} K^{+}\right)}=0.525 \pm 0.033 \pm 0.027 \pm 0.034,$$ where the first uncertainty is statistical, the second systematic, and the third is due to the uncertainties on the branching fractions of the $D_s^{\pm} \rightarrow K^{\mp} K^{\pm} \pi^{\pm}$ and $D^{\pm} \rightarrow K^{\mp} \pi^{\pm} \pi^{\pm}$ decays. [...]
arXiv:2211.05034; LHCb-PAPER-2022-019; CERN-EP-2022-205.- Geneva : CERN, 2023-08-01 - 14 p. - Published in : Phys. Rev. Lett. 108 (2023) 034012 Fulltext: 2211.05034 - PDF; Publication - PDF; Related data file(s): ZIP;

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Observation of the $B_s^{0} \rightarrow D^{*+}D^{*-}$ decay / LHCb Collaboration
The first observation of the $B_s^0 \to D^{\ast +} D^{\ast -}$ decay and the measurement of its branching ratio relative to the $B_d^0 \to D^{\ast +} D^{\ast -}$ decay are presented. The data sample used corresponds to an integrated luminosity of 9 $\text{fb}^{-1}$ of proton-proton collisions recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018. [...]
arXiv:2210.14945; LHCb-PAPER-2022-023; CERN-EP-2022-193; LHCB-PAPER-2022-023.- Geneva : CERN, 2023-07-13 - 12 p. - Published in : JHEP 2307 (2023) 119 Fulltext: LHCB-PAPER-2022-023 - PDF; document - PDF; 2210.14945 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Observation of a resonant structure near the $D_s^+ D_s^-$ threshold in the $B^+\to D_s^+ D_s^- K^+$ decay / LHCb Collaboration
An amplitude analysis of the $B^+\to D_s^+ D_s^- K^+$ decay is carried out to study for the first time its intermediate resonant contributions, using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV. A near-threshold peaking structure, referred to as $X(3960)$, is observed in the $D_s^+ D_s^-$ invariant-mass spectrum with significance greater than 12 standard deviations. [...]
arXiv:2210.15153; CERN-EP-2022-200; LHCb-PAPER-2022-018.- Geneva : CERN, 2023-08-14 - 12 p. - Published in : Phys. Rev. Lett. 131 (2023) 071901 Fulltext: LHCb-PAPER-2022-018 - PDF; 2210.15153 - PDF; Publication - PDF; Related data file(s): ZIP;

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Search for the baryon- and lepton-number violating decays $B^0\to p\mu^-$ and $B^0_s\to p\mu^-$ / LHCb Collaboration
A search for the baryon- and lepton-number violating decays $B^0\to p\mu^-$ and $B^0_s\to p\mu^-$ is performed at the LHCb experiment using data collected in proton-proton collisions at $\sqrt{s}$ = 7, 8 and 13 TeV, corresponding to integrated luminosities of 1, 2 and 6 fb$^{-1}$, respectively. No significant signal for $B^0\to p\mu^-$ and $B^0_s\to p\mu^-$ decays is found and the upper limits on the branching fractions are determined to be ${\cal B}(B^0\to p\mu^-)<2.6\,(3.1)\times10^{-9}$ and ${\cal B}(B^0_s\to p\mu^-)<12.1\,(14.0)\times10^{-9}$, respectively, at 90$\%$ (95$\%$) confidence level. [...]
arXiv:2210.10412; CERN-EP-2022-195; LHCb-PAPER-2022-022.- Geneva : CERN, 2023-07-01 - 15 p. - Published in : Phys. Rev. D 108 (2023) 012021 Fulltext: Publication - PDF; 2210.10412 - PDF; Related data file(s): ZIP;

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Measurement of the $\Lambda_c^+$ to $D^0$ production cross-section ratio in peripheral PbPb collisions / LHCb Collaboration
We report on a measurement of the $\Lambda^+_c$ to $D^0$ production ratio in PbPb collisions at $\sqrt{s_{\rm NN }}$ = 5.02 TeV with the LHCb detector in the forward rapidity region 2$<$ y $<$ 4.5. The $\Lambda^+_c$ ($D^0$) hadrons are reconstructed via the decay channel $ \Lambda^+_c \rightarrow p k^+ \pi^-$ ($D^0 \rightarrow k^-\pi^+$) for 2$ <
arXiv:2210.06939; LHCb-PAPER-2021-046; CERN-EP-2022-148; LHCB-PAPER-2021-046.- Geneva : CERN, 2023-06-22 - 17 p. Fulltext: 2210.06939 - PDF; document - PDF; LHCB-PAPER-2021-046 - PDF; erratum - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Search for the lepton-flavour violating decays $B^0 \to K^{*0} \tau^\pm \mu^\mp$ / LHCb Collaboration
A first search for the lepton-flavour violating decays $B^0 \to K^{*0} \tau^\pm \mu^\mp$ is presented. The analysis is performed using a sample of proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018, corresponding to an integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2209.09846; LHCb-PAPER-2022-021; CERN-EP-2022-154; LHCB-PAPER-2022-021.- Geneva : CERN, 2023-06-23 - 17 p. - Published in : JHEP 2306 (2023) 143 Fulltext: 2209.09846 - PDF; document - PDF; Related data file(s): ZIP;

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Measurement of the CKM angle $γ$ with $ B^\pm \to D[K^\mp π^\pm π^\pm π^\mp] h^\pm$ decays using a binned phase-space approach / LHCb Collaboration
The CKM angle $\gamma$ is determined from $C\!P$-violating observables measured in ${B^\pm \to D[ K^\mp \pi^\pm\pi^\pm\pi^\mp] h^\pm}$, $(h = K,\pi)$ decays, where the measurements are performed in bins of the decay phase-space of the $D$ meson. Using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of $7, 8$ and $13\,\text{TeV}$, corresponding to a total integrated luminosity of $9\,\text{fb}^{-1}$, $\gamma$ is determined to be \begin{equation*} \gamma = \left( 54.8 \: ^{+\:6.0 }_{-\:5.8} \: ^{+\:0.6}_{-\:0.6} \: ^{+\:6.7}_{-\:4.3} \right)^\circ, \end{equation*} where the first uncertainty is statistical, the second systematic and the third from the external inputs on the coherence factors and strong phases of the $D$-meson decays..
arXiv:2209.03692; LHCb-PAPER-2022-017; CERN-EP-2022-150.- Geneva : CERN, 2023-07-17 - Published in : JHEP 2307 (2023) 138 Fulltext: 2209.03692 - PDF; LHCb-PAPER-2022-017 - PDF; document - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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Measurement of the time-integrated $C\!P$ asymmetry in $D^0\to K^- K^+$ decays / LHCb Collaboration
The time-integrated $C\!P$ asymmetry in the Cabibbo-suppressed decay $D^0\to K^-K^+$ is measured using proton-proton collision data, corresponding to an integrated luminosity of 5.7 fb$^{-1}$ collected at a center-of-mass energy of 13 TeV with the LHCb detector. The $D^0$ mesons are required to originate from promptly produced $D^{*+}\to D^0\pi^+$ decays and the charge of the companion pion is used to determine the flavor of the charm meson at production. [...]
arXiv:2209.03179; CERN-EP-2022-163; LHCb-PAPER-2022-024.- Geneva : CERN, 2023-08-29 - 13 p. - Published in : Phys. Rev. Lett. 131 (2023) 091802 Fulltext: LHCb_PAPER_2022_024_arxiv - PDF; 2209.03179 - PDF; Publication - PDF; Related data file(s): ZIP; Supplementary information: ZIP;

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似た著者名：
2	Kunde, G
30	Kunde, G.J.
87	Kunde, Gerd J
1	Kunde, Gerd J.
194	Kunde, Gerd Joachim

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