S.-F. Cheung

activity

20142017

most citedDifferential branching fractions and isospin asymmetries of

B \to K^{(*)} μ^{+} μ^{-}

decays

363 citations · 1.6k across the 26 of their papers we have counts for

collaborators

26 papers

hep-ex2017★ 35 cited

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +791

A search for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$ is performed using $pp$ collision data recorded by the LHCb experiment at centre-of-mass energies $s = 7$ and $8$ TeV, corres…

hep-ex2017★ 18 cited

Measurement of branching fractions of charmless four-body $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +794

A search for charmless four-body decays of $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The d…

hep-ex2017★ 20 cited

Measurements of the branching fractions of $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +804

The ratios of the branching fractions of the decays $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$ with res…

hep-ex2017★ 14 cited

First observation of the rare purely baryonic decay $B^{0} \to p p ˉ$

LHCb collaboration, R. Aaij, B. Adeva +802

The first observation of the decay of a $B^{0}$ meson to a purely baryonic final state, $B^{0} \to p p ˉ$ , is reported. The proton-proton collision data sample used was collected w…

hep-ex2017★ 81 cited

Prompt and nonprompt J/ $ψ$ production and nuclear modification in $p$ Pb collisions at $s_{NN} = 8.16$ TeV

LHCb collaboration, R. Aaij, B. Adeva +806

The production of J/ $ψ$ mesons is studied in proton-lead collisions at the centre-of-mass energy per nucleon pair $s_{NN} = 8.16$ TeV with the LHCb detector at the LHC.…

hep-ex2017★ 248 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and effective lifetime and search for $B^{0} \to μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +771

A search for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is performed at the LHCb experiment using data collected in $pp$ collisions corresponding to a total integrated lum…

hep-ex2017★ 26 cited

Observation of the decay $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ and a search for $C P$ violation

LHCb collaboration, R. Aaij, B. Adeva +763

A search for $C P$ violation in the decay $Λ_{b}^{0} \to p K^{-} μ^{+} μ^{-}$ is presented. This decay is mediated by flavour-changing neutral-current transitions in the Standard Model and…

hep-ex2016★ 41 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +755

The ratio of branching fractions $R_{K / π} \equiv B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$ is measured with $pp$ collision data collected by the LHCb…

hep-ex2016★ 8 cited

Observation of $B_{s}^{0} \to D ˉ^{0} K_{S}^{0}$ and evidence for $B_{s}^{0} \to D ˉ^{* 0} K_{S}^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The first observation of the $B_{s}^{0} \to D ˉ^{0} K_{S}^{0}$ decay mode and evidence for the $B_{s}^{0} \to D ˉ^{* 0} K_{S}^{0}$ decay mode are reported. The data sample corresponds to an integ…

hep-ex2015★ 25 cited

First observation of the decay $D^{0} \to K^{-} π^{+} μ^{+} μ^{-}$ in the $ρ^{0}$ - $ω$ region of the dimuon mass spectrum

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

A study of the decay $D^{0} \to K^{-} π^{+} μ^{+} μ^{-}$ is performed using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 8 TeV,…

hep-ex2015★ 178 cited

Determination of the quark coupling strength $∣ V_{u b} ∣$ using baryonic decays

LHCb collaboration, R. Aaij, B. Adeva +707

In the Standard Model of particle physics, the strength of the couplings of the $b$ quark to the $u$ and $c$ quarks, $∣ V_{u b} ∣$ and $∣ V_{c b} ∣$ , are governed by the coupling of the…

hep-ex2015★ 25 cited

Observation of the $B^{0} \to ρ^{0} ρ^{0}$ decay from an amplitude analysis of $B^{0} \to (π^{+} π^{-}) (π^{+} π^{-})$ decays

LHCb collaboration, R. Aaij, B. Adeva +699

Proton-proton collision data recorded in 2011 and 2012 by the \lhcb experiment, co\-rres\-pon\-ding to an integrated luminosity of 3.0\invfb, are a\-na\-lysed to search for the cha…

hep-ex2015★ 56 cited

Measurement of forward $Z \to e^{+} e^{-}$ production at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +700

A measurement of the cross-section for Z-boson production in the forward region of pp collisions at 8TeV centre-of-mass energy is presented. The measurement is based on a sample of…

hep-ex2014★ 4 cited

Determination of the branching fractions of $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ and $B^{0} \to D_{s}^{-} K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +701

Measurements are presented of the branching fractions of the decays $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ and $B^{0} \to D_{s}^{-} K^{+}$ relative to the decays $B_{s}^{0} \to D_{s}^…

hep-ex2014★ 57 cited

Measurement of the CP-violating phase $β$ in $B^{0} \to J / ψ π^{+} π^{-}$ decays and limits on penguin effects

LHCb collaboration, R. Aaij, B. Adeva +697

Time-dependent CP violation is measured in the $B^{0} \to J / ψ π^{+} π^{-}$ channel for each $π^{+} π^{-}$ resonant final state using data collected with an integrated luminosity of 3.0 f…

hep-ex2014★ 52 cited

Search for long-lived particles decaying to jet pairs

LHCb collaboration, R. Aaij, B. Adeva +699

A search is presented for long-lived particles with a mass between 25 and 50 GeV $/ c^{2}$ and a lifetime between 1 and 200 ps in a sample of proton-proton collisions at a centre-of-ma…

hep-ex2014★ 30 cited

Measurement of the CKM angle γusing B^\pm --> D K^\pm with D-->K_Sπ^+π^-, K_SK^+K^- decays

LHCb collaboration, R. Aaij, B. Adeva +700

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S} π^{+} π^{-}$ and $D \to K_{S} K^{+} K^{-}$ , is performed to measure the \CP-violating observables $x_{\pm}$ and $y…

hep-ex2014★ 38 cited

Measurement of $C P$ asymmetries in the decays $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B^{+} \to K^{+} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +698

The direct $C P$ asymmetries of the decays $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B^{+} \to K^{+} μ^{+} μ^{-}$ are measured using $pp$ collision data corresponding to an integrat…

hep-ex2014★ 40 cited

Measurement of $C P$ violation and constraints on the CKM angle $γ$ in $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +695

A model-dependent amplitude analysis of $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays is performed using proton-proton collision data, corresponding to…

hep-ex2014

Search for CP violation in $D^{\pm} \to K_{S}^{0} K^{\pm}$ and $D_{s}^{\pm} \to K_{S}^{0} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +698

A search for \CP violation in Cabibbo-suppressed $D^{\pm} \to K_{S}^{0} K^{\pm}$ and $D_{s}^{\pm} \to K_{S}^{0} π^{\pm}$ decays is performed using $pp$ …

hep-ex2014★ 6 cited

Observation of the $B_{s}^{0} \to J / ψ K_{S}^{0} K^{\pm} π^{\mp}$ decay

LHCb collaboration, R. Aaij, B. Adeva +696

Decays of the form $B_{(s)}^{0} \to J / ψ K_{S}^{0} h^{+} h^{(') -}$ ( $h^{(')} = K, π$ ) are searched for in proton-proton collision data corresponding to…

hep-ex2014★ 110 cited

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +697

Time-integrated $C P$ asymmetries in $D^{0}$ decays to the final states $K^{-} K^{+}$ and $π^{-} π^{+}$ are measured using proton-proton collisions corresponding to $3 fb^{- 1}$ of i…

hep-ex2014★ 49 cited

Study of beauty hadron decays into pairs of charm hadrons

LHCb collaboration, R. Aaij, A. Abba +694

First observations of the decays $Λ_{b}^{0} \to Λ_{c}^{+} D_{(s)}^{-}$ are reported using data corresponding to an integrated luminosity of $3 fb^{- 1}$ collected at 7 and 8 TeV center…

hep-ex2014★ 53 cited

Angular analysis of charged and neutral $B \to K μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +691

The angular distributions of the rare decays $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{0} \to K_{S}^{0} μ^{+} μ^{-}$ are studied with data corresponding to 3fb $^{- 1}$ of integrate…

Evidence for the rare decay Σ+→pμ+μ−

Measurement of branching fractions of charmless four-body Λb0​ and Ξb0​ decays

Measurements of the branching fractions of Λc+​→pπ−π+, Λc+​→pK−K+, and Λc+​→pπ−K+

First observation of the rare purely baryonic decay B0→ppˉ​

Prompt and nonprompt J/ψ production and nuclear modification in pPb collisions at sNN​​=8.16 TeV

Measurement of the Bs0​→μ+μ− branching fraction and effective lifetime and search for B0→μ+μ− decays

Observation of the decay Λb0​→pK−μ+μ− and a search for CP violation

Measurement of the ratio of branching fractions B(Bc+​→J/ψK+)/B(Bc+​→J/ψπ+)

Observation of Bs0​→Dˉ0KS0​ and evidence for Bs0​→Dˉ∗0KS0​ decays

First observation of the decay D0→K−π+μ+μ− in the ρ0-ω region of the dimuon mass spectrum

Determination of the quark coupling strength ∣Vub​∣ using baryonic decays

Observation of the B0→ρ0ρ0 decay from an amplitude analysis of B0→(π+π−)(π+π−) decays

Measurement of forward Z→e+e− production at s​=8TeV

Determination of the branching fractions of Bs0​→Ds∓​K± and B0→Ds−​K+

Measurement of the CP-violating phase β in B0→J/ψπ+π− decays and limits on penguin effects