K. Mattioli

activity

20192024

most citedObservation of a narrow pentaquark state,

P_{c} (4312)^{+}

, and of two-peak structure of the

P_{c} (4450)^{+}

738 citations · 1.7k across the 18 of their papers we have counts for

collaborators

Showing 2019Show all

14 papers · 1 filter

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 75 cited

Amplitude analysis of the $B^{+} \to π^{+} π^{+} π^{-}$ decay

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

The results of an amplitude analysis of the charmless three-body decay $B^{+} \to π^{+} π^{+} π^{-}$ , in which $C P$ -violation effects are taken into account, are reported. The anal…

hep-ex2019★ 35 cited

Precision measurement of the $Λ_{c}^{+}$ , $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ baryon lifetimes

LHCb collaboration, R. Aaij, C. Abellán Beteta +847

We report measurements of the lifetimes of the $Λ_{c}^{+}$ , $Ξ_{c}^{+}$ and $Ξ_{c}^{0}$ charm baryons using proton-proton collision data at center-of-mass energies of 7 and 8\tev, correspondin…

hep-ex2019★ 18 cited

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

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

The cross-sections of $ψ (2 S)$ meson production in proton-proton collisions at $s = 13 TeV$ are measured with a data sample collected by the LHCb detector correspondin…

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★ 738 cited

Observation of a narrow pentaquark state, $P_{c} (4312)^{+}$ , and of two-peak structure of the $P_{c} (4450)^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +866

A narrow pentaquark state, $P_{c} (4312)^{+}$ , decaying to $J / ψ p$ is discovered with a statistical significance of $7.3 σ$ in a data sample of $Λ_{b}^{0} \to J / ψ p K^{-}$ decays which is an or…

hep-ex2019★ 15 cited

Amplitude analysis of the $B_{(s)} \to K^{* 0} K^{* 0}$ decays and measurement of the branching fraction of the $B \to K^{* 0} K^{* 0}$ decay

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

The $B^{0} \to K^{* 0} K^{* 0}$ and $B_{s}^{0} \to K^{* 0} K^{* 0}$ decays are studied using proton-proton collision data corresponding to an integrated luminosity of 3…

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★ 55 cited

Near-threshold $D D ˉ$ spectroscopy and observation of a new charmonium state

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

Using proton-proton collision data, corresponding to an integrated luminosity of 9 $f b^{- 1}$ , collected with the~LHCb detector between 2011 and 2018, a new narrow charmonium state,…

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-ex2019★ 68 cited

Measurement of the mass difference between neutral charm-meson eigenstates

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

We report a measurement of the mass difference between neutral charm-meson eigenstates using a novel approach that enhances sensitivity to this parameter. We use $2.3 \times 1 0^{6}$ $…

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Amplitude analysis of the B+→π+π+π− decay

Precision measurement of the Λc+​, Ξc+​ and Ξc0​ baryon lifetimes

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

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

Observation of a narrow pentaquark state, Pc​(4312)+, and of two-peak structure of the Pc​(4450)+

Amplitude analysis of the B(s)​→K∗0K∗0 decays and measurement of the branching fraction of the B→K∗0K∗0 decay

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

Near-threshold DDˉ spectroscopy and observation of a new charmonium state

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