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LHCb Papers

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2025-02-10
10:32
Measurement of the multiplicity dependence of \mitΥ production ratios in pp collisions at \sqrt{s}=13 TeV / LHCb Collaboration
The \mit{\Upsilon}(\mathrm{2}S) and \mit{\Upsilon}(\mathrm{3}S) production cross-sections are measured relative to that of the \mit{\Upsilon}(\mathrm{1}S) meson, as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of 13 TeV. [...]
arXiv:2501.12611 ; LHCb-PAPER-2024-038 ; CERN-EP-2024-318 ; LHCB-PAPER-2024-038.
- 2025 - 25.
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2025-02-06
13:46
Search for resonance-enhanced CP and angular asymmetries in the \Lambda^+_c\to p\mu^+\mu^- decay at LHCb / LHCb Collaboration
The first measurement of the CP asymmetry of the decay rate (A_{CP}) and the CP average (\Sigma A_{\text{FB}}) and CP asymmetry (\Delta A_{\text{FB}}) of the forward-backward asymmetry in the muon system of \mathit{\Lambda}^+_c\to p\mu^+\mu^- decays is reported. [...]
arXiv:2502.04013 ; LHCb-PAPER-2024-051 ; CERN-EP-2024-340 ; LHCB-PAPER-2024-051.
- 2025 - 23.
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2025-01-28
14:01
Evidence for B^-\rightarrow D^{**0}\tau^-\overline{\nu}_{\tau} decays / LHCb Collaboration
The first evidence for the decay B^-\rightarrow D^{**0}\tau^-\overline{\nu}_{\tau} is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb^{-1} , at centre-of-mass energies of 7, 8 and 13 Tev. [...]
arXiv:2501.14943 ; LHCb-PAPER-2024-037 ; CERN-EP-2024-341 ; LHCB-PAPER-2024-037.
- 2025 - 25.
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2025-01-22
15:03
Observation of the \Lambda_{b}^{0} \to J/\psi\Xi^{-} K^+ and \Xi_{b}^{0} \to J/\psi\Xi^{-} \pi^+ decays / LHCb Collaboration
The first observation of the \Xi_b^0 \to J/\psi \Xi^- \pi^+ decay and the most precise measurement of the branching fraction of the \Lambda_b^0 \to J/\psi \Xi^- K^+ decay are reported, using proton-proton collision data from the LHCb experiment collected in 2016--2018 at a centre-of-mass energy of 13~TeV, corresponding to an integrated luminosity of 5.4~fb^{-1}. [...]
arXiv:2501.12779 ; CERN-EP-2024-337 ; LHCb-PAPER-2024-049 ; LHCB-PAPER-2024-049.
- 2025 - 22.
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2025-01-22
11:44
Search for charge-parity violation in semileptonically tagged D^{0} \to K^{+} \pi^{-} decays / LHCb Collaboration
An analysis of the flavour oscillations of the charmed neutral meson is presented. [...]
arXiv:2501.11635 ; LHCb-PAPER-2024-044 ; CERN-EP-2024-319 ; LHCB-PAPER-2024-044.
- 2025 - 29.
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2025-01-14
10:32
Study of light-meson resonances decaying to K^0_{\rm S} K \pi in the B \to (K^0_{\rm S} K \pi) K channels / LHCb Collaboration
A study is presented of B^+ \to K^0_{\rm S} K^- \pi^+ K^- and B^+ \to K^0_{\rm S} K^+ \pi^- K^+ decays based on the analysis of proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb^{-1}. [...]
arXiv:2501.06483 ; LHCb-PAPER-2024-045 ; CERN-EP-2024-329 ; LHCB-PAPER-2024-045.
- 2025 - 46.
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2024-12-19
09:00
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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2024-12-16
15:28
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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2024-12-13
15:13
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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2024-12-06
08:52
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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