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Open AccessSearch for \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) decays and measurement of the branching fraction ratio \({\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {\psi {(2S)}} {{\pi } ^+} )/{\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\pi } ^+} )\)
The first search for nonresonant \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) ...
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Open AccessPublisher Erratum: Open charm production and asymmetry in pNe collisions at \(\sqrt{s_{\scriptscriptstyle {\text {NN}}}} = 68.5\) GeV
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Open AccessPublisher Erratum: A study of \(C\!P\) violation in the decays \({{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\) ( \(h = K, \pi \) ) and \({{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\)
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Open AccessSearch for \(D^{*}(2007)^{0} \rightarrow \mu ^{+} \mu ^{-}\) in \(B^{-}\rightarrow \pi ^{-} \mu ^{+} \mu ^{-}\) decays
The very rare \({{D} ^*} (2007)^0\!\rightarrow {\mu ^+\mu ^-} \) ...
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Open Access\({{J}/\psi }\) and \({{D}} ^0\) production in \(\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV} \) PbNe collisions
The first measurement of \({{J}/\psi }\) J / ψ
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Open AccessMeasurement of \(\tau _\text {L}\) using the \({B} _s^0 \rightarrow J/\psi \eta \) decay mode
Using a proton–proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of $$5.7~\text {fb}^{...
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Open AccessCharmonium production in pNe collisions at \(\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\) GeV
The measurement of charmonium states produced in proton-neon ( \(p\text {Ne}\) p ...
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Open AccessA study of \(C\!P\) violation in the decays \({{B} ^\pm } \rightarrow [{{K} ^+} {{K} ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\) ( \(h = K, \pi \) ) and \({{B} ^\pm } \rightarrow [{{\uppi } ^+} {{\uppi } ^-} {{\uppi } ^+} {{\uppi } ^-} ]_{D} h^{\pm }\)
The first study of \(C\!P\) C P ...
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Open AccessOpen charm production and asymmetry in pNe collisions at \(\sqrt{s_{\scriptscriptstyle {\textrm{NN}}}} = 68.5\) \(\,\text {Ge\hspace{-1.00006pt}V}\)
A measurement of \({{D}} ^0\) D ...
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Open AccessMeasurement of antiproton production from antihyperon decays in \({p} \textrm{He}\) collisions at \(\sqrt{s_{\scriptscriptstyle \mathrm NN}} =110\) \(\,\text {Ge\hspace{-1.00006pt}V}\)
The interpretation of cosmic antiproton flux measurements from space-borne experiments is currently limited by the knowledge of the antiproton production cross-section in collisions between primary cosmic rays...
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Open AccessSearch for massive long-lived particles decaying semileptonically at \({\sqrt{s}}=13\,\hbox {TeV}\)
A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the first, a Higgs-like boson with ...
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Open AccessFirst measurement of the \(C\!P\) -violating phase in \({{B} ^0_{s}} \!\rightarrow {{J /\psi }} (\) \(\rightarrow \) \(e ^+e ^-\) ) \(\phi \) decays
A flavour-tagged time-dependent angular analysis of \({{B} ^0_{s}} \!\rightarrow {{J /\psi }} \phi \) ...
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Open AccessObservation of new excited \({B} ^0_{s} \) states
A structure is observed in the \({B} ^{\pm }{K} ^{\mp }\) ...
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Open AccessMeasurement of the branching fraction of the \({{B} ^0} {\rightarrow }{{D} ^+_{s}} {{\pi } ^-} \) decay
A branching fraction measurement of the \({{B} ^0} {\rightarrow }{{D} ^+_{s}} {{\pi } ^-} \) ...
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Open AccessSearch for long-lived particles decaying to \(e ^\pm \) \(\mu ^\mp \) \(\nu \)
Long-lived particles decaying to \({e ^\pm } {\mu ^\mp } {\nu } \) ...
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Open AccessSearch for heavy neutral leptons in \(W^+\rightarrow \mu ^{+}\mu ^{\pm }\, \text {jet}\) decays
A search is performed for heavy neutrinos in the decay of a W boson into two muons and a jet. The data set corresponds to an integrated luminosity of approximately
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Open AccessSearch for CP violation in \({{{\var** }} ^+_{c}} \rightarrow {p} {{K} ^-} {{\pi } ^+} \) decays using model-independent techniques
A first search for \(CP\) CP violat...
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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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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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Open AccessMeasurement of \({\psi {(2S)}} \) production cross-sections in proton-proton collisions at \(\sqrt{s} =7\) and \(13\text { TeV} \)
The cross-sections of \(\psi {(2S)}\)ψ(2S) meson production in proton-proton collisions at \(\sqrt{s} =13\text { TeV} \)s=13TeV are measured with a data sample collected by the LHCb detector corresponding to an i...