D. Fazzini

activity

20162025

J / ψ Λ

resonance consistent with a strange pentaquark candidate in

B^{-} \to J / ψ Λ p ˉ

decays

154 citations · 803 across the 25 of their papers we have counts for

collaborators

25 papers

hep-ex2025★ 3 cited

Measurement of branching fractions and $C P$ asymmetries in $Λ_{b}^{0} (Ξ_{b}^{0}) \to p K_{S}^{0} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1160

A study of $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryon decays to the final states $p K_{S}^{0} π^{-}$ and $p K_{S}^{0} K^{-}$ is performed using $pp$ collision data collected by t…

hep-ex2025★ 1 cited

Measurement of the Z-boson mass

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

The first dedicated $Z$ -boson mass measurement at the LHC with $Z \to μ^{+} μ^{-}$ decays is reported. The dataset uses proton-proton collisions at a centre-of-mass energy of $13$ TeV,…

hep-ex2025★ 3 cited

Observation of the $Λ_{b}^{0} \to J / ψ Ξ^{-} K^{+}$ and $Ξ_{b}^{0} \to J / ψ Ξ^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1131

The first observation of the $Ξ_{b}^{0} \to J / ψ Ξ^{-} π^{+}$ decay and the most precise measurement of the branching fraction of the $Λ_{b}^{0} \to J / ψ Ξ^{-} K^{+}$ decay are reported, using proton-…

hep-ex2024★ 4 cited

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1073

A measurement of the time-dependent ratio of the $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{+} π^{-}$ decay rates is reported. The analysis uses a sample of proton-proton…

hep-ex2023★ 22 cited

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented using a dataset corresponding to an integrated luminosity of $4.7$ fb $^{- 1}$ of $pp$ collision data collecte…

hep-ex2023★ 11 cited

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

The longitudinal polarization fraction of the $D^{*}$ meson is measured in $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays, where the $τ$ lepton decays to three charged pions and a neutrino, using…

hep-ex2023★ 19 cited

Measurement of CP violation in $B^{0} \to ψ (\to ℓ^{+} ℓ^{-}) K_{S}^{0} (\to π^{+} π^{-})$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1085

A measurement of time-dependent CP violation in the decays of $B^{0}$ and $B^{0}$ mesons to the final states $J / ψ (\to μ^{+} μ^{-}) K_{S}^{0}$ , $ψ (2 S) (\to μ^{+} μ^{-}) K_{S}^{0}$ and $J/ψ(\to e^+e…

hep-ex2023★ 1 cited

Measurement of the CKM angle $γ$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1061

A model-independent study of CP violation in $B^{0} \to D K^{* 0}$ decays is presented using data corresponding to an integrated luminosity of 9fb $^{- 1}$ collected by the LHCb experime…

hep-ex2023★ 1 cited

Measurements of $C P$ asymmetries and branching fraction ratios of $B^{-}$ decays to two charm mesons

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

The $C P$ asymmetries of seven $B^{-}$ decays to two charm mesons are measured using data corresponding to an integrated luminosity of $9 fb^{- 1}$ of proton-proton collisions c…

hep-ex2023★ 9 cited

Measurement of the $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ differential branching fraction

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1046

The branching fraction of the rare decay $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ is measured for the first time, in the squared dimuon mass intervals, $q^{2}$ , excluding the $J / ψ$ and $ψ(2…

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-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★ 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★ 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★ 154 cited

Observation of a $J / ψ Λ$ resonance consistent with a strange pentaquark candidate in $B^{-} \to J / ψ Λ p ˉ$ decays

LHCb collaboration

An amplitude analysis of $B^{-} \to J / ψ Λ p ˉ$ decays is performed using about 4400 signal candidates selected on a data sample of $pp$ collisions recorded at center-of-mass energie…

hep-ex2022★ 4 cited

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

LHCb collaboration

A Dalitz plot analysis of the $D_{s}^{+} \to π^{-} π^{+} π^{+}$ decay is presented. The analysis is based on proton-proton collision data recorded by the LHCb experiment at a centre-of-mass…

hep-ex2022★ 35 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

LHCb collaboration

The time-integrated $C P$ asymmetry in the Cabibbo-suppressed decay $D^{0} \to K^{-} K^{+}$ is measured using proton-proton collision data, corresponding to an integrated luminosity of 5.…

hep-ex2019★ 72 cited

Observation of an excited $B_{c}^{+}$ state

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

Using $pp$ collision data corresponding to an integrated luminosity of $8.5 fb^{- 1}$ recorded by the LHCb experiment at centre-of-mass energies of $s = 7$ , $8$ and…

hep-ex2018★ 76 cited

First measurement of charm production in fixed-target configuration at the LHC

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

The first measurement of heavy-flavour production by the LHCb experiment in its fixed-target mode is presented. The production of $J / ψ$ and $D^{0}$ mesons is studied with beams of pr…

hep-ex2018★ 10 cited

Search for lepton-flavour-violating decays of Higgs-like bosons

LHCb collaboration, R. Aaij, C. Abellán Beteta +835

A search is presented for a Higgs-like boson with mass in the range 45 to 195 GeV/ $c^{2}$ decaying into a muon and a tau lepton. The dataset consists of proton-proton interactions at…

hep-ex2018★ 22 cited

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, B. Adeva +791

Forward top quark pair production is studied in $pp$ collisions in the $μ e b$ final state using a data sample corresponding to an integrated luminosity of 1.93 fb $^{- 1}$ collected w…

hep-ex2017★ 35 cited

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +791

A search for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$ is performed using $pp$ collision data recorded by the LHCb experiment at centre-of-mass energies $s = 7$ and $8$ TeV, corres…

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…

Measurement of branching fractions and CP asymmetries in Λb0​(Ξb0​)→pKS0​h− decays

Measurement of the Z-boson mass

Observation of the Λb0​→J/ψΞ−K+ and Ξb0​→J/ψΞ−π+ decays

Measurement of D0−D0 mixing and search for CP violation with D0→K+π− decays

Amplitude analysis of the B0→K∗0μ+μ− decay

Measurement of the D∗ longitudinal polarization in B0→D∗−τ+ντ​ decays

Measurement of CP violation in B0→ψ(→ℓ+ℓ−)KS0​(→π+π−) decays

Measurement of the CKM angle γ in the B0→DK∗0 channel using self-conjugate D→KS0​h+h− decays

Measurements of CP asymmetries and branching fraction ratios of B− decays to two charm mesons

Measurement of the Λb0​→Λ(1520)μ+μ− differential branching fraction

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±

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

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

First observation of a doubly charged tetraquark and its neutral partner

Study of the B−→Λc+​Λˉc−​K− decay

Observation of a J/ψΛ resonance consistent with a strange pentaquark candidate in B−→J/ψΛpˉ​ decays

Amplitude analysis of the Ds+​→π−π+π+ decay

Measurement of the time-integrated CP asymmetry in D0→K−K+ decays

Observation of an excited Bc+​ state

First measurement of charm production in fixed-target configuration at the LHC

Search for lepton-flavour-violating decays of Higgs-like bosons

Measurement of forward top pair production in the dilepton channel in pp collisions at s​=13 TeV

Evidence for the rare decay Σ+→pμ+μ−

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

Measurement of branching fractions and $C P$ asymmetries in $Λ_{b}^{0} (Ξ_{b}^{0}) \to p K_{S}^{0} h^{-}$ decays

Observation of the $Λ_{b}^{0} \to J / ψ Ξ^{-} K^{+}$ and $Ξ_{b}^{0} \to J / ψ Ξ^{-} π^{+}$ decays

Measurement of $D^{0} - D^{0}$ mixing and search for $C P$ violation with $D^{0} \to K^{+} π^{-}$ decays

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

Measurement of CP violation in $B^{0} \to ψ (\to ℓ^{+} ℓ^{-}) K_{S}^{0} (\to π^{+} π^{-})$ decays

Measurement of the CKM angle $γ$ in the $B^{0} \to D K^{* 0}$ channel using self-conjugate $D \to K_{S}^{0} h^{+} h^{-}$ decays

Measurements of $C P$ asymmetries and branching fraction ratios of $B^{-}$ decays to two charm mesons

Measurement of the $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ differential branching fraction

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

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

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

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

Observation of a $J / ψ Λ$ resonance consistent with a strange pentaquark candidate in $B^{-} \to J / ψ Λ p ˉ$ decays

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

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

Observation of an excited $B_{c}^{+}$ state

Measurement of forward top pair production in the dilepton channel in $pp$ collisions at $s = 13$ TeV

Evidence for the rare decay $Σ^{+} \to p μ^{+} μ^{-}$

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