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Search for $CP$ violation in the phase space of $D^0 \to \pi^-\pi^+\pi^0$ decays with the energy test / LHCb Collaboration
A search for $CP$ violation in $D^0 \to \pi^-\pi^+\pi^0$ decays is reported, using $pp$ collision data collected by the LHCb experiment from 2015 to 2018 corresponding to an integrated luminosity of 6$fb^{-1}$. An unbinned model-independent approach provides sensitivity to local $CP$ violation within the two-dimensional phase space of the decay. [...]
arXiv:2306.12746; CERN-EP-2023-103; LHCb-PAPER-2023-005.- Geneva : CERN, 2023-09-20 - 24 p. Fulltext: document - PDF; 2306.12746 - PDF; erratum - PDF; Related data file(s): ZIP;

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Measurement of CP asymmetries and branching fraction ratios of B$^{−}$ decays to two charm mesons / LHCb Collaboration
The $CP$ asymmetries of seven $B^-$ decays to two charm mesons are measured using data corresponding to an integrated luminosity of $9\text{fb}^{-1}$ of proton-proton collisions collected by the LHCb experiment. Decays involving a $D^{*0}$ or $D^{*-}_s$ meson are analysed by reconstructing only the $D^0$ or $D^-_s$ decay products. [...]
arXiv:2306.09945; LHCb-PAPER-2023-007; CERN-EP-2023-104.- Geneva : CERN, 2023-09-28 - 29 p. - Published in : JHEP 2309 (2023) 202 Fulltext: 2306.09945 - PDF; document - PDF; LHCb-PAPER-2023-007_arxiv1 - PDF; Related data file(s): ZIP; Supplementary information: ZIP; Supplementary material: PDF;

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Observation of the $B^+ \rightarrow J/\psi \eta^{\prime} K^+$ decay / LHCb Collaboration
The $B^+ \rightarrow J/\psi \eta^{\prime} K^+$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8, and 13TeV, corresponding to a total integrated luminosity of 9fb$^{-1}$. The branching fraction of this decay is measured relative to the known branching fraction of the $B^+ \rightarrow \psi(2S) K^+$ decays and found to be $$ \frac{\mathcal{B}( B^+ \rightarrow J/\psi \eta^{\prime}K^+)} {\mathcal{B}( B^+ \rightarrow \psi(2S)K^+) } = \left(4.91\pm 0.47\pm0.29\pm0.07\right)\times10^{-2}, $$ where the first uncertainty is statistical, the second is systematic and the third is related to external branching fractions. [...]
arXiv:2303.09443; LHCb-PAPER-2022-054; CERN-EP-2023-022.- Geneva : CERN, 2023-08-25 - 19 p. Fulltext: Publication - PDF; 2303.09443 - PDF; Erratum - PDF; Related data file(s): ZIP;

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Search for $\it{CP}$ violation in $D_{(s)}^{+}\rightarrow K^{-}K^{+}K^{+}$ decays / LHCb Collaboration
A search for direct $\it{CP}$ violation in the Cabibbo-suppressed decay $D_{s}^{+}\rightarrow K^{-}K^{+}K^{+}$ and in the doubly Cabibbo-suppressed decay $D^{+}\rightarrow K^{-}K^{+}K^{+}$ is reported. The analysis is performed with data collected by the LHCb experiment in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 $\textrm{fb}^{-1}$. [...]
arXiv:2303.04062; LHCb-PAPER-2022-042; CERN-EP-2023-010; LHCB-PAPER-2022-042.- Geneva : CERN, 2023-07-07 - 18 p. - Published in : JHEP 2307 (2023) 067 Fulltext: PAPER_CPV_Ds_D_KKK-2 - PDF; document - PDF; 2303.04062 - PDF; Related data file(s): ZIP;

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Observation of the $B^0_s\rightarrow \chi_{c1}(3872)\pi^+\pi^-$ decay / LHCb Collaboration
The first observation of the $B^0_s \rightarrow \left( \chi_{c1}(3872) \rightarrow J/\psi\pi^+\pi^-\right) \pi^+ \pi^-$ decay is reported using proton-proton collision data, corresponding to integrated luminosities of 1, 2 and 6fb$^{-1}$, collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13TeV, respectively. The ratio of branching fractions relative to the $B^0_s \rightarrow \left( \psi(2S) \rightarrow J\psi\pi^+\pi^- \right) \pi^+ \pi^-$ decay is measured to be $$ \frac{ \mathcal{B} \left( B^0_s \rightarrow \chi_{c1}(3872) \pi^+\pi^-\right) \times \mathcal{B} \left( \chi_{c1}(3872) \rightarrow J\psi\pi^+\pi^-\right)} { \mathcal{B} \left( B^0_s \rightarrow \psi(2S) \pi^+ \pi^- \right) \times \mathcal{B} \left( \psi(2S) \rightarrow J\psi\pi^+\pi^-\right) } = \left( 6.8 \pm 1.1 \pm 0.2 \right) \times 10^{-2} , $$ where the first uncertainty is statistical and the second systematic. [...]
arXiv:2302.10629; CERN-EP-2023-015; LHCb-PAPER-2022-049; LHcb-PAPER-2022-049.- Geneva : CERN, 2023-07-11 - 18 p. - Published in : JHEP 2307 (2023) 084 Fulltext: LHCb-PAPER-2022-049 - PDF; 2302.10629 - PDF; document - PDF; Related data file(s): ZIP;

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Observation of new $\Omega_c^{0}$ states decaying to the $\Xi_c^+ K^-$ final state / LHCb Collaboration
Two new excited states, $\Omega_c(3185)^0$ and $\Omega_c(3327)^0$, are observed in the $\Xi_c^{+}K^{-}$ invariant-mass spectrum using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of $9\,{\rm fb}^{-1}$. Five previously observed excited $\Omega_c^0$ states are confirmed, namely $\Omega_c(3000)^0$, $\Omega_c(3050)^0$, $\Omega_c(3065)^0$, $\Omega_c(3090)^0$, and $\Omega_c(3119)^0$. [...]
arXiv:2302.04733; CERN-EP-2023-006; LHCb-PAPER-2022-043.- Geneva : CERN, 2023-09-26 - 11 p. - Published in : Phys. Rev. Lett. 131 (2023) 131902 Fulltext: Omegac_PAPER_arXiv - PDF; Publication - PDF; 2302.04733 - PDF; Related data file(s): ZIP;

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Test of lepton universality in $b \rightarrow s \ell^+ \ell^-$ decays / LHCb Collaboration
The first simultaneous test of muon-electron universality using $B^{+}\rightarrow K^+\ell^+ \ell^−$ and $B^{0} \rightarrow K^{*0} \ell^{+} \ell^{−}$ decays is performed, in two ranges of the dilepton invariant-mass squared, $q^{2}$. The analysis uses beauty mesons produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of 9 $\mathrm{fb}^{-1}$. [...]
arXiv:2212.09152; LHCb-PAPER-2022-046; CERN-EP-2022-277.- Geneva : CERN, 2023-08-02 - 13 p. - Published in : Phys. Rev. Lett. 131 (2023) 051803 Fulltext: 2212.09152 - PDF; Publication - PDF; LHCb-PAPER-2022-046 - PDF; Related data file(s): ZIP;

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Measurement of lepton universality parameters in $B^+\to K^+\ell^+\ell^-$ and $B^0\to K^{*0}\ell^+\ell^-$ decays / LHCb Collaboration
A simultaneous analysis of the $B^+\to K^+\ell^+\ell^-$ and $B^0\to K^{*0}\ell^+\ell^-$ decays is performed to test muon-electron universality in two ranges of the square of the dilepton invariant mass, $q^2$. The measurement uses a sample of beauty meson decays produced in proton-proton collisions collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of $9$ $\text{fb}^{-1}$. [...]
arXiv:2212.09153; LHCb-PAPER-2022-045; CERN-EP-2022-278.- Geneva : CERN, 2023-08-01 - 46 p. - Published in : Phys. Rev. D 108 (2023) 032002 Fulltext: 2212.09153 - PDF; LHCb-PAPER-2022-045 - PDF; Publication - PDF; Related data file(s): ZIP;

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