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CERN Document Server Pronađeno je 138 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.52 sekundi 
1.
Measurement of CP asymmetry in $B^0_s \to D^{\mp}_s K^{\pm}$ decays / LHCb Collaboration
A measurement of the CP-violating parameters in BsDsK decays is reported, based on the analysis of proton-proton collision data corresponding to an integrated luminosity of $6\,\mathrm{fb}^{-1}$ at a centre-of-mass energy of $13 \,\mathrm{TeV}$. [...]
arXiv:2412.14074 ; LHCb-PAPER-2024-020 ; CERN-EP-2024-219.
- 34.
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2.
Measurement of $C\!P$ asymmetries in $\Lambda_b^0\to ph^-$ decays / LHCb Collaboration
A search for $CP$ violation in $\Lambda_b^0\rightarrow pK^-$ and $\Lambda_b^0\rightarrow p\pi^-$ decays is presented using the full Run 1 and Run 2 data samples of $pp$ collisions collected with the LHCb detector, corresponding to an integrated luminosity of 9 $\mathrm{fb}^{-1}$ at center-of-mass energies of 7, 8, and 13 TeV. [...]
arXiv:2412.13958 ; LHCb-PAPER-2024-048 ; CERN-EP-2024-330 ; LHCB-PAPER-2024-048.
- 2024 - 24.
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3.
Test of lepton flavour universality with $B^+ \to K^+\pi^+\pi^-\ell^+\ell^-$ decays / LHCb Collaboration
The first test of lepton flavour universality between muons and electrons using $B^+ \to K^+\pi^+\pi^-\ell^+\ell^-$ ($\ell=e,\mu$) decays is presented. [...]
arXiv:2412.11645 ; LHCb-PAPER-2024-046 ; CERN-EP-2024-312 ; LHCB-PAPER-2024-046.
- 2024 - 20.
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4.
Search for $D^0$ meson decays to $\pi^+ \pi^- e^+ e^-$ and $K^+ K^- e^+ e^-$ final states / LHCb Collaboration
A search for $D^0$ meson decays to the $\pi^+\pi^-e^+e^-$ and $K^+K^-e^+e^-$ final states is reported using a sample of proton-proton collisions collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb$^{-1}$. [...]
arXiv:2412.09414 ; LHCb-PAPER-2024-047 ; CERN-EP-2024-307 ; LHCB-PAPER-2024-047.
- 2024 - 21.
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5. Measurement of $\phi(1020)$ meson production in fixed-target $p$Ne collisions at $\sqrt{s_{NN}}=68.5$ GeV
Reference: Poster-2024-1199
Created: 2024. -1 p
Creator(s): Fabiano, Federica

The first measurement of $\phi(1020)$ meson production in fixed-target $p$Ne collisions at $\sqrt{s_{NN}}=68.5$ GeV is presented. The $\phi(1020)$ mesons are reconstructed in their $K^{+}K^{-}$ decay in a data sample consisting of proton collisions on neon nuclei at rest, corresponding to an integrated luminosity of $21.7 \pm 1.4$ nb$^{-1}$, collected by the LHCb detector at CERN. The $\phi(1020)$ production cross-section in the centre-of-mass rapidity range of $-1.8 < y^*<0$ and transverse momentum range of $800 < p_T <6500$ MeV/c is found to be $\sigma=182.7\pm2.7~\text{(stat.)}\pm14.1~\text{(syst)}$ $\mu b$/nucleon. A double-differential measurement of the cross-section is also provided in four regions of rapidity and six regions of transverse momentum of the $\phi(1020)$ meson and compared with the predictions from Pythia and EPOS4, which are found to underestimate the experimental values.

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6.
Observation of the open-charm tetraquark state $T_{cs 0}^{*}(2870)^0$ in the $B^- \rightarrow D^- D^0 K_\mathrm{S}^0$ decay / LHCb Collaboration
An amplitude analysis of $B^-\rightarrow D^- D^0 K_\mathrm{S}^0$ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 9 fb$^{-1}$, collected with the LHCb detector at center-of-mass energies of 7, 8, and 13$\mathrm{\,Te\kern -0.1em V}$. [...]
arXiv:2411.19781 ; LHCb-PAPER-2024-040 ; CERN-EP-2024-287 ; LHCB-PAPER-2024-040.
- 2024 - 21.
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7.
Study of $\it{\Lambda}_{\it{b}}^\rm{0}$ and $\it{\Xi}_{\it{b}}^\rm{0}$ decays to $\it{\Lambda} h^+h^{'-}$ and evidence for $CP$ violation in $\it{\Lambda}_{\it{b}}^\rm{0}\to\it{\Lambda} K^+K^-$ decays / LHCb Collaboration
A study of Λ 0 b and Ξ0 b decays to Λh+h ′− (h (′) = π, K) is performed using pp collision data collected by the LHCb experiment during LHC Runs 1–2, corresponding to an integrated luminosity of 9 fb−1 . [...]
arXiv:2411.15441 ; LHCb-PAPER-2024-043 ; CERN-EP-2024-281.
- 26.
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8.
Measurement of $\phi(1020)$ meson production in fixed-target $\textit{p}$Ne collisions at~$\sqrt{s_{NN}}$~=~68.5 GeV. / LHCb Collaboration
The first measurement of $\phi(1020)$ meson production in fixed-target $p$Ne collisions at $\sqrt{s_{NN}}=68.5$ GeV is presented. [...]
arXiv:2411.09343 ; LHCb-PAPER-2024-036 ; CERN-EP-2024-274 ; LHCB-PAPER-2024-036.
- 2024 - 20.
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9.
First evidence for direct $CP$ violation in beauty to charmonium decays / LHCb Collaboration
The $CP$ asymmetry and branching fraction of the CKM-suppressed decay $B^+ \to J\psi \pi^+$ are precisely measured relative to the favoured decay $B^+ \to J\psi K^+$, using a sample of proton-proton collision data corresponding to an integrated luminosity of $5.4 \ \text{fb}^{-1}$ recorded at center-of-mass energy of $13\ \text{TeV}$ during 2016-2018. [...]
arXiv:2411.12178 ; LHCb-PAPER-2024-031 CERN-EP-2024-286 ; LHCb-PAPER-2024-031 ; CERN-EP-2024-286 ; LHCB-PAPER-2024-031.
- 2024 - 20.
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10.
Constraints on the photon polarisation in $b \to s \gamma$ transitions using $B_s^0\to \phi e^+ e^-$ decays / LHCb Collaboration
An angular analysis of the $B_s^0 \rightarrow \phi e^+e^-$ decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, corresponding to an integrated luminosity of $9\,{\rm fb}^{-1}$ at centre-of-mass energies of 7, 8 and $13\,{\rm TeV}$. [...]
arXiv:2411.10219 ; LHCb-PAPER-2024-030 ; CERN-EP-2024-276 ; LHCB-PAPER-2024-030.
- 2024 - 21.
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140 Fabiano, Federica
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