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2026-04-15
12:11
Precision measurement of the muon charge asymmetry from $W$-boson decays in $pp$ collisions at $\sqrt{s}$ = 13 TeV in the forward region / LHCb Collaboration
A precision measurement of the muon charge asymmetry from $W$-boson decays in proton-proton collisions at $\sqrt{s}$ = 13 TeV is presented. [...]
arXiv:2604.12593 ; LHCb-PAPER-2025-071 ; CERN-EP-2026-084 ; LHCB-PAPER-2025-071. - 2026 - 19.
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2026-04-15
11:54
Measurement of the $W$-boson production cross-sections in $pp$ collisions at $\sqrt{s}$ = 13 TeV in the forward region. / LHCb Collaboration
A precision measurement of the $W$-boson production cross-section is performed using the $W \to \mu\nu$ decay channel, based on a sample of proton-proton collision data collected by the LHCb experiment at $\sqrt{s}$ = 13 TeV and corresponding to an integrated luminosity of 5.1 $fb^{-1}$. [...]
arXiv:2604.12706 ; LHCb-PAPER-2025-070 ; CERN-EP-2026-083 ; LHCB-PAPER-2025-070. - 2026 - 31.
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2026-04-14
14:12
Measurement of inclusive production of charmonium states in $b$-hadron decays via their decay into $\phi\phi$ / LHCb Collaboration
The inclusive production of the $\eta_c(1S)$, $\eta_c(2S)$ and $\chi_{c}$ charmonium states in $b$-hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity of $5.9~\text{fb}^{-1}$, using charmonia decays to $\phi\phi$ pairs. [...]
arXiv:2604.11123 ; LHCb-PAPER-2025-058 ; CERN-EP-2026-058 ; LHCB-PAPER-2025-058. - 2026 - 26.
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2026-04-14
04:34
Test of lepton flavour universality with $B^0\to K^{*0}\ell^+\ell^-$ decays at large dilepton invariant mass / LHCb Collaboration
Muon-electron universality is tested in $B^0 \to K^{*0} \ \ell^+ \ell^-$ decays, in the dilepton-invariant-mass region above the $ψ(2S)$ resonance. [...]
arXiv:2604.08631 ; LHCb-PAPER-2025-066 ; CERN-EP-2026-064. - 22.
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2026-04-13
11:25
Search for the lepton-flavour violating decays $B^+\to \pi^+ \mu^\pm e^\mp$ / LHCb Collaboration
The first search for the lepton-flavour violating decays $B^+ \to \pi^+ \mu^{\pm} e^{\mp}$ in proton-proton collisions is presented, using data collected by the LHCb experiment between 2011 and 2018, corresponding to an integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2604.08396 ; LHCb-PAPER-2026-013 ; CERN-EP-2026-093 ; LHCB-PAPER-2026-013. - 2026 - 21.
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2026-04-07
14:41
Precise measurement of the CKM angle $\gamma$ with a novel approach / LHCb Collaboration
A measurement of the CKM angle $\gamma$ is performed by applying a novel, unbinned, model-independent approach to datasets of electron-positron collisions collected by the BESIII experiment and proton-proton collisions by the LHCb experiment, corresponding to integrated luminosities of 8 fb$^{-1}$ and 9 fb$^{-1}$, respectively. The $C\!P$-violating phase $\gamma$ is determined from ${B^{\pm}\rightarrow D(\rightarrow K_{\rm S}^{0} h^{\prime+}h^{\prime-}) h^{\pm}}$ decays in LHCb data, where $h^{(\prime)}$ is either a pion or kaon, while the corresponding strong-phase parameters are measured using doubly tagged ${D\rightarrow K_{\rm S/L}^0 h^{\prime+} h^{\prime-}}$ decays in the quantum-correlated $D\overline{D}$ system present in BESIII data. [...]
arXiv:2604.05712; LHCb-PAPER-2025-064; CERN-EP-2026-068.- Geneva : CERN, 2026 - 28 p. Fulltext: 5d420987-4c54-4708-8e5b-f9e391da0a97 - PDF; 2604.05712 - PDF; Related data file(s): ZIP; External link: Submit a comment

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2026-04-07
14:24
Measurement of the CKM angle $\gamma$ in $B^{\pm} + \rightarrow D(\rightarrow K_{\rm S}^{0} h^{\prime+}h^{\prime-})h^{\pm}$ decays with a novel approach / LHCb Collaboration
A measurement of the CKM angle $\gamma$ and related strong-phase parameters is performed using a novel, model-independent approach in ${B^{\pm}\rightarrow D(\rightarrow K_{\rm S}^{0} h^{\prime+}h^{\prime-}) h^{\pm}}$ decays, where $h^{(\prime)} \equiv \pi, K$. The analysis uses a joint data sample of electron-positron collisions collected by the BESIII experiment at the Beijing Electron-Positron Collider II during 2010--2011 and 2021--2022, corresponding to an integrated luminosity of 8 fb$^{-1}$, and proton-proton collisions collected by the LHCb experiment at the Large Hadron Collider during 2011--2018, corresponding to an integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2604.05701; LHCb-PAPER-2025-063; CERN-EP-2026-067.- Geneva : CERN, 2026 - 57 p. Fulltext: 9bba18d1-103b-4e34-a411-c8d5a06a5f78 - PDF; LHCb-PAPER-2025-063-supplementary - ZIP; 2604.05701 - PDF; Related data file(s): ZIP; External link: Submit a comment

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2026-04-07
12:11
Search for the decays $B_{(s)}^0\rightarrow J/\psi\gamma$ at LHCb / LHCb Collaboration
A search for the rare decays $B_{(s)}^0\rightarrow J/\psi\gamma$ is performed with proton-proton collision data collected by the LHCb experiment, corresponding to integrated luminosities of $3~\mathrm{fb}^{-1}$ at centre-of-mass energies of 7 and 8 TeV, and $6~\mathrm{fb}^{-1}$ at 13 TeV. [...]
arXiv:2604.02933 ; LHCb-PAPER-2025-065 ; CERN-EP-2026-060. - 2026 - 21.
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2026-04-01
04:34
Observation of the doubly charmed baryon $\itΞ_{cc}^+$ with the LHCb Run 3 detector / LHCb Collaboration
The first observation of the doubly charmed baryon $\itΞ_{cc}^+$ is reported through its decay to the $\itΛ_c^+ K^-π^+$ final state, with a statistical significance exceeding seven standard deviations. [...]
arXiv:2603.28456 ; LHCb-PAPER-2026-009 ; CERN-EP-2026-085. - 24.
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2026-04-01
04:29
Measurement of CP asymmetries in $\kern 0.18em\overline{\kern -0.18em B}^0 \to D_s^- D^+$ and $\kern 0.18em\overline{\kern -0.18em B}_s^0 \to D_s^+ D^-$ decays / LHCb Collaboration
Measurements of the combined CP asymmetries in $\kern 0.18em\overline{\kern -0.18em B}^0 \to D_s^- D^+$ and $\kern 0.18em\overline{\kern -0.18em B}_s^0 \to D_s^+ D^-$ decays are made using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9fb$^{-1}$. [...]
arXiv:2603.28132 ; LHCb-PAPER-2025-037 ; CERN-EP-2026-015. - 23.
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