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CERN Document Server 228 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.51 δευτερόλεπτα. 
1. Measurement of $|V_{cb}|$ with $B^0_s \to D{^{(*)-}_s} \mu^+\nu_\mu$ decays at LHCb
Reference: Poster-2024-1212
Created: 2024. -1 p
Creator(s): Manuzzi, Daniele

The measurement of the magnitude of the Vcb element of the Cabibbo-Kobayashi-Maskawa matrix is of great importance in the validation of the Standard Model (SM) of particle physics. The current world averages for the inclusive and exclusive measurements of $|V_{cb}|$ are approximately three standard deviations apart, representing a long-standing puzzle in flavour physics. In this work we present the measurement of $|V_{cb}|$ using semileptonic Bs decays produced in proton-proton collision data collected with the LHCb detector during the Run1 of the LHC. This is the first determination of $|V_{cb}|$ from exclusive decays at a hadron collider and the first using decays of the Bs meson.

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2.
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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3.
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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4.
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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5.
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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6.
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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7.
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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8.
Measurement of the $\psi(2S)$ to $J/\psi$ cross-section ratio as a function of centrality in PbPb collisions at $\sqrt{s_{\text{NN}}}$ = 5.02 TeV / LHCb Collaboration
The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and properties of the quark-gluon plasma. [...]
arXiv:2411.05669 ; CERN-EP-2024-272 ; LHCb-PAPER-2024-041. - 20.
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9.
Study of $D_{s1}^+(2460) \to D_s^+ \pi^+ \pi^-$ in $B \to \overline D^{(*)} D_s^+ \pi^+ \pi^-$ decays / LHCb Collaboration
An amplitude analysis of the $D_{s1}(2460)^+\to D_{s}^{+}\pi^{+}\pi^{-}$ transition is performed simultaneously in $B^{0}\to D^{-}D_{s}^{+}\pi^{+}\pi^{-}$, $B^{+}\to \overline D^{0} D_{s}^{+}\pi^{+}\pi^{-}$}, and $B^{0}\to D^{*-}D_{s}^{+}\pi^{+}\pi^{-}$ decays. [...]
arXiv:2411.03399 ; LHCb-PAPER-2024-033 ; CERN-EP-2024-264 ; LHCB-PAPER-2024-033. - 2024 - 35.
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10.
Measurement of the CKM angle $\gamma$ in $B^\pm\to DK(892)^{*\pm}$ decays / LHCb Collaboration
Measurements of $CP$ observables and the CKM angle $\gamma$ are performed in $B^{\pm} \to D K^*(892)^{\pm}$ decays, where $D$ represents a superposition of $D^0$ and $\overline{D}{}^0$ states, using the LHCb dataset collected during Run 1 (2011-2012) and Run 2 (2015-2018). [...]
arXiv:2410.21115 ; LHCb-PAPER-2024-023 ; CERN-EP-2024-260. - 2024 - 38.
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CERN Document Server : 228 εγγραφές βρέθηκαν   1 - 10επόμενοτέλος  μετάβαση στην εγγραφή:
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