A. Vagner

activity

20172023

most citedObservation of a narrow pentaquark state,

P_{c} (4312)^{+}

, and of two-peak structure of the

P_{c} (4450)^{+}

738 citations · 12.3k across the 244 of their papers we have counts for

collaborators

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242 papers · 1 filter

hep-ex2023★ 78 cited

The LHCb upgrade I

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1305

The LHCb upgrade represents a major change of the experiment. The detectors have been almost completely renewed to allow running at an instantaneous luminosity five times larger th…

hep-ex2023★ 5 cited

Measurement of $Ξ_{c}^{+}$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

A study of prompt $Ξ_{c}^{+}$ production in proton-lead collisions is performed with the LHCb experiment at a centre-of-mass energy per nucleon pair of 8.16 TeV in 2016 in $p$ Pb an…

hep-ex2023★ 4 cited

Search for $CP$ violation in $D_{(s)}^{+} \to K^{-} K^{+} K^{+}$ decays

LHCb collaboration

A search for direct $CP$ violation in the Cabibbo-suppressed decay $D_{s}^{+} \to K^{-} K^{+} K^{+}$ and in the doubly Cabibbo-suppressed decay $D^{+}\rightarrow K^{-}K^{…

hep-ex2023★ 32 cited

Observation of new $Ω_{c}^{0}$ states decaying to the $Ξ_{c}^{+} K^{-}$ final state

LHCb collaboration

Two new excited states, $Ω_{c} (3185)^{0}$ and $Ω_{c} (3327)^{0}$ , are observed in the $Ξ_{c}^{+} K^{-}$ invariant-mass spectrum using proton-proton collision data collected by the LHCb experim…

hep-ex2023★ 72 cited

Measurement of the ratios of branching fractions $R (D^{*})$ and $R (D^{0})$

LHCb Collaboration

The ratios of branching fractions $R (D^{*}) \equiv B (B ˉ \to D^{*} τ^{-} ν ˉ_{τ}) / B (B ˉ \to D^{*} μ^{-} ν ˉ_{μ})$ and $\mathcal{R}(D^{0})\equiv\mathca…

hep-ex2023★ 8 cited

A study of $C P$ violation in the decays $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ ( $h = K, π$ ) and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$

LHCb collaboration

The first study of $C P$ violation in the decay mode $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ , with $h = K, π$ , is presented, exploiting a data sample of proton-proton collisions collected b…

hep-ex2023★ 5 cited

$Λ_{c}^{+}$ polarimetry using the dominant hadronic mode

LHCb collaboration

The polarimeter vector field for multibody decays of a spin-half baryon is introduced as a generalisation of the baryon asymmetry parameters. Using a recent amplitude analysis of t…

hep-ex2023★ 11 cited

Evidence of a $J / ψ K_{S}^{0}$ structure in $B^{0} \to J / ψ ϕ K_{S}^{0}$ decays

LHCb collaboration

An amplitude analysis of $B^{0} \to J / ψ ϕ K_{S}^{0}$ decays is performed using proton-proton collision data corresponding to an integrated luminosity of 9 $fb^{- 1}$ , collected with t…

hep-ex2022★ 3 cited

Measurement of $Υ$ production in $pp$ collisions at $s = 5 TeV$

LHCb collaboration

The production cross-sections of $Υ$ mesons, namely $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ , in $pp$ collisions at $s = 5 TeV$ are measured with a data sample corresponding to an…

hep-ex2022★ 3 cited

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…

hep-ex2022★ 12 cited

Search for rare decays of $D^{0}$ mesons into two muons

LHCb collaboration

A search for the very rare $D^{0} \to μ^{+} μ^{-}$ decay is performed using data collected by the LHCb experiment in proton-proton collisions at $s = 7$ , 8 and $13 TeV$ , corre…

hep-ex2022★ 112 cited

Measurement of lepton universality parameters in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

A simultaneous analysis of the $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed to test muon-electron universality in two ranges of the square of the di…

hep-ex2022★ 126 cited

Test of lepton universality in $b \to s ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

The first simultaneous test of muon-electron universality using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed, in two r…

hep-ex2022★ 53 cited

Amplitude analysis of $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

Resonant contributions in $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ decays are determined with an amplitude analysis, which is performed both sepa…

hep-ex2022★ 80 cited

First observation of a doubly charged tetraquark and its neutral partner

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

A combined amplitude analysis is performed for the decays $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ , which are related by isospin symmetry. The an…

hep-ex2022★ 13 cited

$J / ψ$ and $D^{0}$ production in $s_{NN}$ = 68.5 GeV PbNe collisions

LHCb Collaboration

The first measurement of $J / ψ$ and $D^{0}$ production in PbNe collisions by the LHCb experiment in its fixed-target configuration is reported. The production of $J / ψ$ and $D^{0}$ meson…

hep-ex2022★ 10 cited

Charmonium production in $p$ Ne collisions at $s_{NN} = 68.5$ GeV

LHCb Collaboration

The measurement of charmonium states produced in proton-neon ( $p$ Ne) collisions by the LHCb experiment in its fixed-target configuration is presented. The production of $J / ψ$ and $…

hep-ex2022★ 17 cited

Open charm production and asymmetry in $p$ Ne collisions at $s_{NN} =$ 68.5 GeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1053

A measurement of $D^{0}$ meson production by the LHCb experiment in its fixed-target configuration is presented. The production of $D^{0}$ mesons is studied with a beam of 2.5 TeV prot…

hep-ex2022★ 9 cited

First observation of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is observed for the first time using proton-proton collision data collected by the LHCb detector at centre-of-mass energies of $7$ , $8$ …

hep-ex2022★ 7 cited

Study of the $B^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K^{-}$ decay

LHCb collaboration

The decay $B^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K^{-}$ is studied in proton-proton collisions at a center-of-mass energy of $s = 13$ TeV using data corresponding to an integrated…

hep-ex2022★ 40 cited

Observation of a resonant structure near the $D_{s}^{+} D_{s}^{-}$ threshold in the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

An amplitude analysis of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay is carried out to study for the first time its intermediate resonant contributions, using proton-proton collision data c…

hep-ex2022★ 1 cited

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

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1059

The first observation of the $B_{s}^{0} \to D^{*+} D^{*-}$ decay and the measurement of its branching ratio relative to the $B^{0} \to D^{*+} D^{*-}$ decay are presented. The data sample…

hep-ex2022★ 4 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to B_{s}^{0} π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1054

The ratio of branching fractions of $B_{c}^{+} \to B_{s}^{0} π^{+}$ and $B_{c}^{+} \to J / ψ π^{+}$ decays is measured with proton-proton collision data of a centre-of-mass energy of $13 TeV$ .…

hep-ex2022★ 3 cited

Search for the baryon- and lepton-number violating decays $B^{0} \to p μ^{-}$ and $B_{s}^{0} \to p μ^{-}$

LHCb collaboration

A search for the baryon- and lepton-number violating decays $B^{0} \to p μ^{-}$ and $B_{s}^{0} \to p μ^{-}$ is performed at the LHCb experiment using data collected in proton-proton collisions a…

The LHCb upgrade I

Measurement of Ξc+​ production in pPb collisions at sNN​​=8.16 TeV at LHCb

Search for CP violation in D(s)+​→K−K+K+ decays

Observation of new Ωc0​ states decaying to the Ξc+​K− final state

Measurement of the ratios of branching fractions R(D∗) and R(D0)

A study of CP violation in the decays B±→[K+K−π+π−]D​h± (h=K,π) and B±→[π+π−π+π−]D​h±

Λc+​ polarimetry using the dominant hadronic mode

Evidence of a J/ψKS0​ structure in B0→J/ψϕKS0​ decays

Measurement of Υ production in pp collisions at s​=5 TeV

First observation and branching fraction measurement of the Λb0​→Ds−​p decay

Search for rare decays of D0 mesons into two muons

Measurement of lepton universality parameters in B+→K+ℓ+ℓ− and B0→K∗0ℓ+ℓ− decays

Test of lepton universality in b→sℓ+ℓ− decays

Amplitude analysis of B0→D0Ds+​π− and B+→D−Ds+​π+ decays

First observation of a doubly charged tetraquark and its neutral partner

J/ψ and D0 production in sNN​​ = 68.5 GeV PbNe collisions

Charmonium production in pNe collisions at sNN​​=68.5 GeV

Open charm production and asymmetry in pNe collisions at sNN​​= 68.5 GeV

First observation of the B+→Ds+​Ds−​K+ decay

Study of the B−→Λc+​Λˉc−​K− decay

Observation of a resonant structure near the Ds+​Ds−​ threshold in the B+→Ds+​Ds−​K+ decay

Observation of the Bs0​→D∗+D∗− decay

Measurement of the ratio of branching fractions B(Bc+​→Bs0​π+)/B(Bc+​→J/ψπ+)

Search for the baryon- and lepton-number violating decays B0→pμ− and Bs0​→pμ−

Measurement of $Ξ_{c}^{+}$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV at LHCb

Search for $CP$ violation in $D_{(s)}^{+} \to K^{-} K^{+} K^{+}$ decays

Observation of new $Ω_{c}^{0}$ states decaying to the $Ξ_{c}^{+} K^{-}$ final state

Measurement of the ratios of branching fractions $R (D^{*})$ and $R (D^{0})$

A study of $C P$ violation in the decays $B^{\pm} \to [K^{+} K^{-} π^{+} π^{-}]_{D} h^{\pm}$ ( $h = K, π$ ) and $B^{\pm} \to [π^{+} π^{-} π^{+} π^{-}]_{D} h^{\pm}$

$Λ_{c}^{+}$ polarimetry using the dominant hadronic mode

Evidence of a $J / ψ K_{S}^{0}$ structure in $B^{0} \to J / ψ ϕ K_{S}^{0}$ decays

Measurement of $Υ$ production in $pp$ collisions at $s = 5 TeV$

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

Search for rare decays of $D^{0}$ mesons into two muons

Measurement of lepton universality parameters in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays

Test of lepton universality in $b \to s ℓ^{+} ℓ^{-}$ decays

Amplitude analysis of $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ decays

$J / ψ$ and $D^{0}$ production in $s_{NN}$ = 68.5 GeV PbNe collisions

Charmonium production in $p$ Ne collisions at $s_{NN} = 68.5$ GeV

Open charm production and asymmetry in $p$ Ne collisions at $s_{NN} =$ 68.5 GeV

First observation of the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

Study of the $B^{-} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K^{-}$ decay

Observation of a resonant structure near the $D_{s}^{+} D_{s}^{-}$ threshold in the $B^{+} \to D_{s}^{+} D_{s}^{-} K^{+}$ decay

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

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to B_{s}^{0} π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Search for the baryon- and lepton-number violating decays $B^{0} \to p μ^{-}$ and $B_{s}^{0} \to p μ^{-}$