N. Lusardi

activity

20152026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 2.5k across the 18 of their papers we have counts for

collaborators

Showing 2016Show all

12 papers · 1 filter

hep-ex2016★ 33 cited

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

We perform a search for near-threshold $Ξ_{b}^{0}$ resonances decaying to $Ξ_{b}^{-} π^{+}$ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb$^{-1…

hep-ex2016★ 21 cited

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

R. Aaij, C. Abellán Beteta, B. Adeva +727

A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb $^{- 1}$ collected by LHCb at $s = 7$ and 8 TeV, is used to reconstruct $63 \pm 9$ $Ω_b^-\…

hep-ex2016★ 160 cited

Model-independent evidence for $J / ψ p$ contributions to $Λ_{b}^{0} \to J / ψ p K^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

The data sample of $Λ_{b}^{0} \to J / ψ p K^{-}$ decays acquired with the LHCb detector from 7 and 8~TeV $pp$ collisions, corresponding to an integrated luminosity of 3 fb $^{- 1}$ , is inspect…

hep-ex2016★ 35 cited

A precise measurement of the $B^{0}$ meson oscillation frequency

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

The oscillation frequency, $Δ m_{d}$ , of $B^{0}$ mesons is measured using semileptonic decays with a $D^{-}$ or $D^{*-}$ meson in the final state, in a data sample of $pp$ collisions coll…

hep-ex2016★ 39 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays

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

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented where the $D$ meson is reconstructed in the final states $K^\…

hep-ex2016★ 18 cited

Search for $B_{c}^{+}$ decays to the $p p ˉ π^{+}$ final state

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

A search for the decays of the $B_{c}^{+}$ meson to $p p ˉ π^{+}$ is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 $fb^{- 1}$ …

hep-ex2016★ 30 cited

Observation of $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ decays and a measurement of the $Λ_{b}^{0}$ baryon mass

LHCb collaboration, R. Aaij, C. Abellán Beteta +733

The decays $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ are observed in a data sample corresponding to an integrated luminosity of 3fb $^{- 1}$ , collected in proton-proton…

hep-ex2016★ 42 cited

Search for violations of Lorentz invariance and $C P T$ symmetry in $B_{(s)}^{0}$ mixing

LHCb collaboration, R. Aaij, C. Abellán Beteta +729

Violations of $C P T$ symmetry and Lorentz invariance are searched for by studying interference effects in $B^{0}$ mixing and in $B_{s}^{0}$ mixing. Samples of $ B^0\to J/ψK^0_{\mathrm{…

hep-ex2016★ 23 cited

Observation of the $Λ_{b}^{0} \to Λ ϕ$ decay

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

The $Λ_{b}^{0} \to Λ ϕ$ decay is observed using data corresponding to an integrated luminosity of 3.0fb $^{- 1}$ recorded by the LHCb experiment. The decay proceeds at leading order via a $…

hep-ex2016★ 5 cited

Measurement of the $B_{s}^{0} \to D_{s}^{() +} D_{s}^{() -}$ branching fractions

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

The branching fraction of the decay $B_{s}^{0} \to D_{s}^{(*) +} D_{s}^{(*) -}$ is measured using $pp$ collision data corresponding to an integrated luminosity of $1.0 f b^{- 1}$ …

hep-ex2016★ 26 cited

A new algorithm for identifying the flavour of $B_{s}^{0}$ mesons at LHCb

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

A new algorithm for the determination of the initial flavour of $B_{s}^{0}$ mesons is presented. The algorithm is based on two neural networks and exploits the $b$ hadron production me…

hep-ex2016★ 35 cited

First observation of $D^{0} - D ˉ^{0}$ oscillations in $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ decays and measurement of the associated coherence parameters

LHCb collaboration, R. Aaij, C. Abellán Beteta +733

Charm meson oscillations are observed in a time-dependent analysis of the ratio of $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ to $D^{0} \to K^{-} π^{+} π^{-} π^{+}$ decay rates, using data corresponding to an integr…

Measurement of the properties of the Ξb∗0​ baryon

Measurement of the mass and lifetime of the Ωb−​ baryon

Model-independent evidence for J/ψp contributions to Λb0​→J/ψpK− decays

A precise measurement of the B0 meson oscillation frequency

Measurement of CP observables in B±→DK± and B±→Dπ± with two- and four-body D decays

Search for Bc+​ decays to the ppˉ​π+ final state

Observation of Λb0​→ψ(2S)pK− and Λb0​→J/ψπ+π−pK− decays and a measurement of the Λb0​ baryon mass

Search for violations of Lorentz invariance and CPT symmetry in B(s)0​ mixing

Observation of the Λb0​→Λϕ decay

Measurement of the Bs0​→Ds(∗)+​Ds(∗)−​ branching fractions

A new algorithm for identifying the flavour of Bs0​ mesons at LHCb

First observation of D0−Dˉ0 oscillations in D0→K+π−π+π− decays and measurement of the associated coherence parameters

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

Model-independent evidence for $J / ψ p$ contributions to $Λ_{b}^{0} \to J / ψ p K^{-}$ decays

A precise measurement of the $B^{0}$ meson oscillation frequency

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays

Search for $B_{c}^{+}$ decays to the $p p ˉ π^{+}$ final state

Observation of $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ decays and a measurement of the $Λ_{b}^{0}$ baryon mass

Search for violations of Lorentz invariance and $C P T$ symmetry in $B_{(s)}^{0}$ mixing

Observation of the $Λ_{b}^{0} \to Λ ϕ$ decay

Measurement of the $B_{s}^{0} \to D_{s}^{() +} D_{s}^{() -}$ branching fractions

A new algorithm for identifying the flavour of $B_{s}^{0}$ mesons at LHCb

First observation of $D^{0} - D ˉ^{0}$ oscillations in $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ decays and measurement of the associated coherence parameters