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Article
Open AccessNear-threshold \( \mathrm{D}\overline{\mathrm{D}} \) spectroscopy and observation of a new charmonium state
Using proton-proton collision data, corresponding to an integrated luminosity of 9 fb−1, collected with the LHCb detector between 2011 and 2018, a new narrow charmonium state, the X(3842) resonance, is observed i...
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Article
Open AccessMeasurement of CP observables in the process B0 → DK*0 with two- and four-body D decays
Measurements of CP observables in B0 → DK∗0 decays are presented, where D represents a superposition of D0 and ...
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Article
Open AccessUpdated measurement of time-dependent \(CP\)-violating observables in \({{B} ^0_{s}} \rightarrow J/\psi K^+ K^-\) decays
The decay-time-dependent \(CP\)CP asymmetry in \({{B} ^0_{s}} \rightarrow J/\psi {{K} ^+} {{K} ^-} \)Bs0→J/ψK+K- decays is measured using proton–proton collision data, corresponding to an integrated luminosity of...
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Article
Open AccessObservation of the \( {\Lambda}_{\mathrm{b}}^0\to {\upchi}_{\mathrm{c}1} \) (3872) pK− decay
Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 and 1.9 fb−1 of integrated luminosity at the centre-of-mass energies of 7, 8, and 13 TeV, respectively, the decay...
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Article
Open AccessA search for \( {\**}_{\mathrm{cc}}^{++} \) → D+pK−π+ decays
A search for the Ξ cc + ...
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Article
Open AccessSearch for the doubly charmed baryon \(\**_{cc}^+\)
A search for the doubly charmed baryon \(\**_{cc}^+\)Ξcc+ is performed through its decay to the \(\Lambda_c^ + {K^ -}{\pi ^ +}\)Λc+K−π+ final state, using proton-proton collision data collected with the LHCb dete...
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Article
Open AccessMeasurement of CP violation in the \( {B}_s^0\to \phi \phi \) decay and search for the B0→ ϕϕ decay
A measurement of the time-dependent CP-violating asymmetry in B s ...
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Article
Open AccessPrecision measurement of the \( {\var**}_{cc}^{++} \) mass
A measurement of the Ξ cc + ...
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Article
Open AccessMeasurement of the \({\eta _{c}} (1S)\) production cross-section in \(p \) \(p \) collisions at \(\sqrt{s} = 13\) \(\, \text {TeV}\)
Using a data sample corresponding to an integrated luminosity of 2.0 \(\, \text {fb} ^{-1}\)fb-1, collected by the LHCb experiment, the production of the \({\eta _{c}} (1S)\)ηc(1S) state in proton–proton collisio...
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Article
Open AccessMeasurement of CP violation in B0 → D∗±D∓ decays
The decay-time-dependent CP asymmetry in B0 → D∗±D∓ decays is mea- sured using a data set corresponding to an integrated luminosity of 9 fb−1 recorded by the LHCb detector in proton-proton collisions at centre-of...
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Article
Open AccessObservation of the semileptonic decay \( {B}^{+}\to p\overline{p}{\mu}^{+}{\nu}_{\mu } \)
The Cabibbo-suppressed semileptonic decay B + ...
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Article
Open AccessTest of lepton universality with \( {\Lambda}_b^0\to {pK}^{-}{\mathrm{\ell}}^{+}{\mathrm{\ell}}^{-} \) decays
The ratio of branching fractions of the decays Λ b 0 \( {\Lambda}_b^0 \) → pK−e+e− and Λ b 0 \( {\Lambda}_b^0 \) → pK−μ+μ−, R pK − 1 \( {R}_{pK}^{-1} \) , is measured for the first time using p...
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Article
Open AccessMeasurement of CP observables in B± → DK± and B± → Dπ± with D → \( {K}_{\mathrm{S}}^0{K}^{\pm }{\pi}^{\mp } \) decays
Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and D ¯ 0 \( {\overline{D}}^0 \) states. The D meson is reconstructed in the three-bo...
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Article
Open AccessMeasurement of the \( {\Lambda}_b^0 \) → J/ψΛ angular distribution and the \( {\Lambda}_b^0 \) polarisation in pp collisions
This paper presents an analysis of the Λ b 0 \( {\Lambda}_b^0 \) → J/ψΛ angular distribution and the transverse production polarisation of Λ b 0 \( {\Lambda}_b^0 \) baryons in proton-proton collisions ...
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Article
Open AccessSearch for the lepton flavour violating decay B+ → K+μ−τ+ using \( {B}_{s2}^{\ast 0} \) decays
A search is presented for the lepton flavour violating decay B+ → K+μ−τ+ using a sample of proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, collected with the LHCb detector and correspondi...
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Article
Open AccessObservation of a new baryon state in the \( {\Lambda}_{\mathrm{b}}^0{\pi}^{+}{\pi}^{-} \) mass spectrum
A new baryon state is observed in the Λ b 0 π + π − \( {\Lambda}_{\mathrm{b}}^0{\pi}^{+}{\pi}^{-} \) mass spectrum with high significance using a data sample of pp collisions, collected with the LHCb de...
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Article
Open AccessErratum to: Updated measurement of time-dependent \(C\!P\)-violating observables in \({{B} ^0_{s}} \rightarrow J/\psi K^+ K^-\) decays
In the Introduction section of the original article [1].
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Article
Open AccessPrecision measurement of the \( {B}_c^{+} \) meson mass
A precision measurement of the B c + ...
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Article
Open AccessStudy of the ψ2(3823) and χc1(3872) states in B+ → (J/ψπ+π−)K+ decays
The decays B+ → J/ψπ+π−K+ are studied using a data set corresponding to an integrated luminosity of 9 fb−1 collected with the LHCb detector in proton-proton collisions between 2011 and 2018. Precise measurements ...
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Article
Open AccessSearches for low-mass dimuon resonances
Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb−1 and ...
