37 Result(s)
within
F Ferrari
Astronomy, Astrophysics and Cosmology
Elementary Particles, Quantum Field Theory
Measurement Science and Instrumentation
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Article
Open AccessSearch for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb
A search is performed for heavy long-lived charged particles using 3.0 \({\rm fb}^{-1}\) ...
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Open AccessA precise measurement of the \(B^0\) meson oscillation frequency
The oscillation frequency, \(\Delta m_d\) Δ ...
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Open AccessSearch for Higgs-like bosons decaying into long-lived exotic particles
A search is presented for massive long-lived particles, in the 20–60 \({\mathrm {Ge V\!/}c^2}\) ...
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Open AccessObservation of \({{\mathrm {B}} ^+} \rightarrow {{\mathrm {J}/\uppsi }} 3{{\uppi } ^+} 2{{\uppi } ^-} \) and \({{\mathrm {B}} ^+} \rightarrow {\uppsi {(2\mathrm {S})}} {{\uppi } ^+} {{\uppi } ^+} {{\uppi } ^-} \) decays
The decays \({{\mathrm {B}} ^+} \rightarrow {{\mathrm {J}/\uppsi }} 3{{\uppi } ^+} 2{{\uppi } ^-} \) ...
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Open AccessMeasurement of the phase difference between short- and long-distance amplitudes in the \({{B} ^+} \!\rightarrow {{{K}} ^+} {\mu ^+\mu ^-} \) decay
A measurement of the phase difference between the short- and long-distance contributions to the $${{B} ^+} \!\rightarrow {{{K}} ^+} {\...
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Open AccessSearch for massive long-lived particles decaying semileptonically in the LHCb detector
A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8 TeV, corresponding to integr...
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Open AccessNew algorithms for identifying the flavour of \({\mathrm {B}} ^0\) mesons using pions and protons
Two new algorithms for use in the analysis of \(pp\) ...
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Open AccessStudy of charmonium production in \({b} \) -hadron decays and first evidence for the decay \({{{B}} ^0_{{s}}} \!\rightarrow \phi \phi \phi \)
Using decays to \(\phi \) ϕ ...
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Open AccessImproved limit on the branching fraction of the rare decay \({{K} ^0_{\mathrm { \scriptscriptstyle S}}} \rightarrow \mu ^+\mu ^-\)
A search for the decay \({{K} ^0_{\mathrm { \scriptscriptstyle S}}} \rightarrow \mu ^+\mu ^-\)
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Open AccessUpdated search for long-lived particles decaying to jet pairs
A search is presented for long-lived particles with a mass between 25 and 50 \(\,\mathrm{GeV}/c^{2}\) ...
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Open AccessStudies of the resonance structure in \(D^{0} \rightarrow K^\mp \pi ^\pm \pi ^\pm \pi ^\mp \) decays
Amplitude models are constructed to describe the resonance structure of \({D^{0}\rightarrow K^{-}\pi ^{+}\pi ^{+}\pi ^{-}}\) ...
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Open AccessSearch for lepton-flavour-violating decays of Higgs-like bosons
A search is presented for a Higgs-like boson with mass in the range 45 to 195 \(\,{{\mathrm {GeV/}}c^2}\) ...
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Open AccessEvidence for an \(\eta _c(1S) \pi ^-\) resonance in \(B^0 \rightarrow \eta _c(1S) K^+\pi ^-\) decays
A Dalitz plot analysis of \({{B} ^0} \!\rightarrow \eta _c(1S) {{K} ^+} {{\pi } ^-} \) ...
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Open AccessMeasurement of the branching fraction and \(C\!P\) asymmetry in \({{{B} ^+}} \!\rightarrow {{J /\psi }} {{\rho } ^+} \) decays
The branching fraction and direct \(C\!P\) C ...
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Open AccessSearch for the rare decay \({{{B} ^+}} \!\rightarrow {\mu ^+} {\mu ^-} {\mu ^+} {{\upnu } _\mu } \)
A search for the rare leptonic decay \({{{B} ^+}} \!\rightarrow {\mu ^+} {\mu ^-} {\mu ^+} {{\upnu } _\mu } \) ...
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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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Open AccessMeasurements of CP asymmetries in charmless four-body \({\varLambda } ^0_{b} \) and \({\var** } ^0_{b} \) decays
A search for \(C\!P\)CP violation in charmless four-body decays of \({\varLambda } ^0_{b} \)Λb0 and \({\var** } ^0_{b} \)Ξb0 baryons with a proton and three charged mesons in the final state is performed. To canc...
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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...
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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 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].
