R. Fay

activity

20142017

most citedTest of Lepton Flavor Universality by the measurement of the

B^{0} \to D^{*-} τ^{+} ν_{τ}

branching fraction using three-prong

τ

decays

312 citations · 1.2k across the 20 of their papers we have counts for

collaborators

20 papers

hep-ex2017★ 312 cited

Test of Lepton Flavor Universality by the measurement of the $B^{0} \to D^{*-} τ^{+} ν_{τ}$ branching fraction using three-prong $τ$ decays

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

The ratio of branching fractions $R (D^{*-}) \equiv B (B^{0} \to D^{*-} τ^{+} ν_{τ}) / B (B^{0} \to D^{*-} μ^{+} ν_{μ})$ is measured using a data sample of proton-proton colli…

hep-ex2017★ 38 cited

Measurement of $C P$ observables in $B^{\pm} \to D^{()} K^{\pm}$ and $B^{\pm} \to D^{()} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +803

Measurements of $C P$ observables in $B^{\pm} \to D^{(*)} K^{\pm}$ and $B^{\pm} \to D^{(*)} π^{\pm}$ decays are presented, where $D^{(*)}$ indicates a neutral $D$ or $D^{*}$ m…

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-ex2017★ 32 cited

Measurement of the $C P$ violation parameter $A_{Γ}$ in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

Asymmetries in the time-dependent rates of $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays are measured in a $pp$ collision data sample collected with the LHCb detector during LHC Run…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 44 cited

First study of the CP-violating phase and decay-width difference in $B_{s}^{0} \to ψ (2 S) ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +765

A time-dependent angular analysis of $B_{s}^{0} \to ψ (2 S) ϕ$ decays is performed using data recorded by the LHCb experiment. The data set corresponds to an integrated luminosity of 3.0\in…

hep-ex2016★ 13 cited

Search for the suppressed decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +761

A search is made for the highly-suppressed B meson decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$ using a data sample corresponding to an integrat…

hep-ex2016★ 33 cited

Observations of $Λ_{b}^{0} \to Λ K^{+} π^{-}$ and $Λ_{b}^{0} \to Λ K^{+} K^{-}$ decays and searches for other $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays to $Λ h^{+} h^{' -}$ final states

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

A search is performed for the charmless three-body decays of the $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryons to the final states $Λ h^{+} h^{' -}$ , where $h^{(')} = π$ or $K$ . The analysis i…

nucl-ex2015★ 101 cited

Measurements of long-range near-side angular correlations in $s_{NN} = 5$ TeV proton-lead collisions in the forward region

LHCb collaboration, R. Aaij, C. Abellán Beteta +732

Two-particle angular correlations are studied in proton-lead collisions at a nucleon-nucleon centre-of-mass energy of $s_{NN} = 5$ TeV, collected with the LHCb detector…

hep-ex2015★ 99 cited

Measurement of forward $J / ψ$ production cross-sections in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, B. Adeva +722

The production of $J / ψ$ mesons in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is studied with the \lhcb detector. Cross-section measurements are perfor…

hep-ex2015★ 101 cited

Study of the production of $Λ_{b}^{0}$ and $B^{0}$ hadrons in $pp$ collisions and first measurement of the $Λ_{b}^{0} \to J / ψ p K^{-}$ branching fraction

LHCb collaboration, R. Aaij, B. Adeva +722

The product of the $Λ_{b}^{0}$ ( $B^{0}$ ) differential production cross-section and the branching fraction of the decay $Λ_{b}^{0} \to J / ψ p K^{-}$ ($\overline{B}^0\rightarrow J…

hep-ex2015★ 16 cited

Measurement of the $B_{s}^{0} \to ϕϕ$ branching fraction and search for the decay $B^{0} \to ϕϕ$

LHCb collaboration, R. Aaij, B. Adeva +724

Using a dataset corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ collected in $pp$ collisions at centre-of-mass energies of 7 and 8 TeV, the $B_{s}^{0} \to ϕϕ$ branching frac…

hep-ex2015★ 49 cited

First observation of top quark production in the forward region

LHCb collaboration, R. Aaij, B. Adeva +723

Top quark production in the forward region in proton-proton collisions is observed for the first time. The $W + b$ final state with $W \to μν$ is reconstructed using muons with a t…

hep-ex2015★ 45 cited

Study of $W$ boson production in association with beauty and charm

LHCb collaboration, R. Aaij, B. Adeva +722

The associated production of a $W$ boson with a jet originating from either a light parton or heavy-flavor quark is studied in the forward region using proton-proton collisions. Th…

hep-ex2015★ 119 cited

Dalitz plot analysis of $B^{0} \to D^{0} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +710

The resonant substructures of $B^{0} \to D^{0} π^{+} π^{-}$ decays are studied with the Dalitz plot technique. In this study a data sample corresponding to an integrated luminosi…

hep-ex2015★ 19 cited

Measurement of $C P$ asymmetries and polarisation fractions in $B_{s}^{0} \to K^{* 0} K ˉ^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +704

An angular analysis of the decay $B_{s}^{0} \to K^{* 0} K ˉ^{* 0}$ is performed using $pp$ collisions corresponding to an integrated luminosity of $1.0$ $f b^{- 1}$ collecte…

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★ 40 cited

Search for CP violation in $D^{0} \to π^{-} π^{+} π^{0}$ decays with the energy test

LHCb collaboration, R. Aaij, B. Adeva +703

A search for time-integrated CP violation in the Cabibbo-suppressed decay $D^{0} \to π^{-} π^{+} π^{0}$ is performed using for the first time an unbinned model-independent technique known as t…

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…

Test of Lepton Flavor Universality by the measurement of the B0→D∗−τ+ντ​ branching fraction using three-prong τ decays

Measurement of CP observables in B±→D(∗)K± and B±→D(∗)π± decays

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

Measurement of the CP violation parameter AΓ​ in D0→K+K− and D0→π+π− decays

Observation of the decay Ξb−​→pK−K−

Search for decays of neutral beauty mesons into four muons

First study of the CP-violating phase and decay-width difference in Bs0​→ψ(2S)ϕ decays

Search for the suppressed decays B+→K+K+π− and B+→π+π+K−

Observations of Λb0​→ΛK+π− and Λb0​→ΛK+K− decays and searches for other Λb0​ and Ξb0​ decays to Λh+h′− final states

Measurements of long-range near-side angular correlations in sNN​​=5TeV proton-lead collisions in the forward region

Measurement of forward J/ψ production cross-sections in pp collisions at s​=13 TeV

Study of the production of Λb0​ and B0 hadrons in pp collisions and first measurement of the Λb0​→J/ψpK− branching fraction

Measurement of the Bs0​→ϕϕ branching fraction and search for the decay B0→ϕϕ

First observation of top quark production in the forward region

Study of W boson production in association with beauty and charm

Dalitz plot analysis of B0→D0π+π− decays

Measurement of CP asymmetries and polarisation fractions in Bs0​→K∗0Kˉ∗0 decays

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

Search for CP violation in D0→π−π+π0 decays with the energy test

Measurement of CP violation and constraints on the CKM angle γ in B±→DK± with D→KS0​π+π− decays

Test of Lepton Flavor Universality by the measurement of the $B^{0} \to D^{*-} τ^{+} ν_{τ}$ branching fraction using three-prong $τ$ decays

Measurement of $C P$ observables in $B^{\pm} \to D^{()} K^{\pm}$ and $B^{\pm} \to D^{()} π^{\pm}$ decays

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

Measurement of the $C P$ violation parameter $A_{Γ}$ in $D^{0} \to K^{+} K^{-}$ and $D^{0} \to π^{+} π^{-}$ decays

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

First study of the CP-violating phase and decay-width difference in $B_{s}^{0} \to ψ (2 S) ϕ$ decays

Search for the suppressed decays $B^{+} \to K^{+} K^{+} π^{-}$ and $B^{+} \to π^{+} π^{+} K^{-}$

Observations of $Λ_{b}^{0} \to Λ K^{+} π^{-}$ and $Λ_{b}^{0} \to Λ K^{+} K^{-}$ decays and searches for other $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays to $Λ h^{+} h^{' -}$ final states

Measurements of long-range near-side angular correlations in $s_{NN} = 5$ TeV proton-lead collisions in the forward region

Measurement of forward $J / ψ$ production cross-sections in $pp$ collisions at $s = 13$ TeV

Study of the production of $Λ_{b}^{0}$ and $B^{0}$ hadrons in $pp$ collisions and first measurement of the $Λ_{b}^{0} \to J / ψ p K^{-}$ branching fraction

Measurement of the $B_{s}^{0} \to ϕϕ$ branching fraction and search for the decay $B^{0} \to ϕϕ$

Study of $W$ boson production in association with beauty and charm

Dalitz plot analysis of $B^{0} \to D^{0} π^{+} π^{-}$ decays

Measurement of $C P$ asymmetries and polarisation fractions in $B_{s}^{0} \to K^{* 0} K ˉ^{* 0}$ decays

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

Search for CP violation in $D^{0} \to π^{-} π^{+} π^{0}$ decays with the energy test

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