J. V. Viana Barbosa

activity

20142020

most citedObservation of the doubly charmed baryon

Ξ_{cc}^{++}

523 citations · 3.8k across the 57 of their papers we have counts for

collaborators

57 papers

hep-ex2020★ 12 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented, where $D$ represents a superposition of $D^{0}$ and $D ˉ^{0}$ states. The $D$ …

hep-ex2020★ 28 cited

Constraints on the $K_{S}^{0} \to μ^{+} μ^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 fb^{- 1}$ a…

hep-ex2020

Measurement of $∣ V_{c b} ∣$ with $B_{s}^{0} \to D_{s}^{(*) -} μ^{+} ν_{μ}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +904

The element $∣ V_{c b} ∣$ of the Cabibbo-Kobayashi-Maskawa matrix is measured using semileptonic $B_{s}^{0}$ decays produced in proton-proton collision data collected with the LHCb detect…

hep-ex2019★ 37 cited

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +900

The production fraction of the $B_{c}^{-}$ meson with respect to the sum of $B^{-}$ and $B ˉ^{0}$ mesons is measured in both 7 and 13 TeV center-of-mass energy $pp$ collisions produced…

hep-ex2019★ 28 cited

Search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +895

A search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at ce…

hep-ex2019★ 68 cited

Observation of several sources of $C P$ violation in $B^{+} \to π^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

Observations are reported of different sources of $C P$ violation from an amplitude analysis of $B^{+} \to π^{+} π^{+} π^{-}$ decays, based on a data sample corresponding to an integrated l…

hep-ex2019★ 16 cited

Measurement of CP violation in the $B_{s}^{0} \to ϕϕ$ decay and search for the $B^{0} \to ϕϕ$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

A measurement of the time-dependent CP-violating asymmetry in $B_{s}^{0} \to ϕϕ$ decays is presented. Using a sample of proton-proton collision data corresponding to an integrate…

hep-ex2019★ 14 cited

Observation of the $Λ_{b}^{0} \to χ_{c 1} (3872) p K^{-}$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 and 1.9fb $^{- 1}$ of integrated luminosity at the centre-of-mass energies of 7, 8,…

hep-ex2019★ 46 cited

Updated measurement of time-dependent $C P$ -violating observables in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +910

The decay-time-dependent $C P$ asymmetry in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated luminosity of $1.9\,\…

hep-ex2019★ 52 cited

Amplitude analysis of $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

The first amplitude analysis of the $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ of $pp$ collisions…

hep-ex2019★ 52 cited

Search for the lepton-flavour-violating decays $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +863

A search for $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$ decays is performed using data corresponding to an integrated luminosity of 3 fb $^{- 1}$ of proton-proton coll…

hep-ex2019★ 17 cited

A search for $Ξ_{cc}^{++} \to D^{+} p K^{-} π^{+}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +848

A search for the $Ξ_{cc}^{++}$ baryon through the $Ξ_{cc}^{++} \to D^{+} p K^{-} π^{+}$ decay is performed with a data sample corresponding to an integrated luminosit…

hep-ex2019★ 32 cited

First observation of the radiative decay $Λ_{b}^{0} \to Λ γ$

LHCb Collaboration, R. Aaij, C. Abellán Beteta +848

The radiative decay $Λ_{b}^{0} \to Λ γ$ is observed for the first time using a data sample of proton-proton collisions corresponding to an integrated luminosity of $1.7 f b^{- 1}$ co…

hep-ex2019★ 402 cited

Search for lepton-universality violation in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +846

A measurement of the ratio of branching fractions of the decays $B^{+} \to K^{+} μ^{+} μ^{-}$ and $B^{+} \to K^{+} e^{+} e^{-}$ is presented. The proton-proton collision data used correspond to an integ…

hep-ex2019★ 21 cited

Measurement of the $C P$ -violating phase $ϕ_{s}$ from $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays in 13 TeV $pp$ collisions

LHCb Collaboration, R. Aaij, C. Abellán Beteta +844

Decays of $B_{s}^{0}$ and $B_{s}^{0}$ mesons into $J / ψ π^{+} π^{-}$ final states are studied in a data sample corresponding to 1.9 fb $^{- 1}$ of integrated luminosity collect…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 64 cited

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +842

A Dalitz plot analysis of $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays is performed using data samples of $pp$ collisions collected with the LHCb detector at centre-of-mass energies of $\sqrt{s…

hep-ex2018★ 114 cited

Measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$

LHCb collaboration, R. Aaij, B. Adeva +832

The first measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$ is presented, with the signal reconstructed in the final state $Λ_{c}^{+} K^{-} π^{+} π^{+}$ . The data sample…

hep-ex2018★ 8 cited

Measurement of the relative $B^{-} \to D^{0} / D^{* 0} / D^{** 0} μ^{-} ν_{μ}$ branching fractions using $B^{-}$ mesons from $B_{s 2}^{* 0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +834

The decay of the narrow resonance $B_{s 2}^{* 0} \to B^{-} K^{+}$ can be used to determine the $B^{-}$ momentum in partially reconstructed decays without any assumpti…

hep-ex2018★ 168 cited

First observation of the doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +834

The doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$ is observed for the first time, with a statistical significance of $5.9 σ$ , confirming a recent observation…

hep-ex2018★ 16 cited

Observation of the decay $B_{s}^{0} \to D^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +808

The first observation of the $B_{s}^{0} \to D^{0} K^{+} K^{-}$ decay is reported, together with the most precise branching fraction measurement of the mode $B^0 \to \overline{D}^0…

hep-ex2018★ 14 cited

Observation of the decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +834

The Cabibbo-suppressed decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$ is observed for the first time using a data sample collected by the LHCb experiment in proton-proton collisions correspondi…

hep-ex2018★ 21 cited

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +819

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is used to perform a measurement of the CP-violating obse…

hep-ex2018★ 12 cited

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV

R. Aaij, B. Adeva, M. Adinolfi +786

The inclusive $D_{s}^{\pm}$ production asymmetry is measured in $pp$ collisions collected by the LHCb experiment at centre-of-mass energies of $s = 7$ and 8 TeV. Promptly produ…

Measurement of CP observables in B±→DK± and B±→Dπ± with D→KS0​K±π∓ decays

Constraints on the KS0​→μ+μ− branching fraction

Measurement of ∣Vcb​∣ with Bs0​→Ds(∗)−​μ+νμ​ decays

Measurement of the Bc−​ meson production fraction and asymmetry in 7 and 13 TeV pp collisions

Search for the lepton-flavour violating decays B+→K+μ±e∓

Observation of several sources of CP violation in B+→π+π+π− decays

Measurement of CP violation in the Bs0​→ϕϕ decay and search for the B0→ϕϕ decay

Observation of the Λb0​→χc1​(3872)pK− decay

Updated measurement of time-dependent CP-violating observables in Bs0​→J/ψK+K− decays

Amplitude analysis of B±→π±K+K− decays

Search for the lepton-flavour-violating decays Bs0​→τ±μ∓ and B0→τ±μ∓

A search for Ξcc++​→D+pK−π+ decays

First observation of the radiative decay Λb0​→Λγ

Search for lepton-universality violation in B+→K+ℓ+ℓ− decays

Measurement of the CP-violating phase ϕs​ from Bs0​→J/ψπ+π− decays in 13 TeV pp collisions

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

Evidence for an ηc​(1S)π− resonance in B0→ηc​(1S)K+π− decays

Measurement of the lifetime of the doubly charmed baryon Ξcc++​

Measurement of the relative B−→D0/D∗0/D∗∗0μ−νμ​ branching fractions using B− mesons from Bs2∗0​ decays

First observation of the doubly charmed baryon decay Ξcc++​→Ξc+​π+

Observation of the decay Bs0​→D0K+K−

Observation of the decay Λb0​→ψ(2S)pπ−

Measurement of the CKM angle γ using B±→DK± with D→KS0​π+π−, KS0​K+K− decays

Measurement of Ds±​ production asymmetry in pp collisions at s​=7 and 8 TeV

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ decays

Constraints on the $K_{S}^{0} \to μ^{+} μ^{-}$ branching fraction

Measurement of $∣ V_{c b} ∣$ with $B_{s}^{0} \to D_{s}^{(*) -} μ^{+} ν_{μ}$ decays

Measurement of the $B_{c}^{-}$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

Search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$

Observation of several sources of $C P$ violation in $B^{+} \to π^{+} π^{+} π^{-}$ decays

Measurement of CP violation in the $B_{s}^{0} \to ϕϕ$ decay and search for the $B^{0} \to ϕϕ$ decay

Observation of the $Λ_{b}^{0} \to χ_{c 1} (3872) p K^{-}$ decay

Updated measurement of time-dependent $C P$ -violating observables in $B_{s}^{0} \to J / ψ K^{+} K^{-}$ decays

Amplitude analysis of $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decays

Search for the lepton-flavour-violating decays $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$

A search for $Ξ_{cc}^{++} \to D^{+} p K^{-} π^{+}$ decays

First observation of the radiative decay $Λ_{b}^{0} \to Λ γ$

Search for lepton-universality violation in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ decays

Measurement of the $C P$ -violating phase $ϕ_{s}$ from $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays in 13 TeV $pp$ collisions

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

Evidence for an $η_{c} (1 S) π^{-}$ resonance in $B^{0} \to η_{c} (1 S) K^{+} π^{-}$ decays

Measurement of the lifetime of the doubly charmed baryon $Ξ_{cc}^{++}$

Measurement of the relative $B^{-} \to D^{0} / D^{* 0} / D^{** 0} μ^{-} ν_{μ}$ branching fractions using $B^{-}$ mesons from $B_{s 2}^{* 0}$ decays

First observation of the doubly charmed baryon decay $Ξ_{cc}^{++} \to Ξ_{c}^{+} π^{+}$

Observation of the decay $B_{s}^{0} \to D^{0} K^{+} K^{-}$

Observation of the decay $Λ_{b}^{0} \to ψ (2 S) p π^{-}$

Measurement of the CKM angle $γ$ using $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ , $K_{S}^{0} K^{+} K^{-}$ decays

Measurement of $D_{s}^{\pm}$ production asymmetry in $pp$ collisions at $s = 7$ and 8 TeV