L. Federici

activity

20142023

most citedTest of Lepton Flavor Universality by the measurement of the

B^{0} \to D^{*-} τ^{+} ν_{τ}

branching fraction using three-prong

τ

decays

312 citations · 1.4k across the 25 of their papers we have counts for

collaborators

25 papers

hep-ex2023★ 14 cited

Measurement of the $K^{+} \to π^{+} γ γ$ decay

The NA62 Collaboration

A sample of 3984 candidates of the $K^{+} \to π^{+} γ γ$ decay, with an estimated background of $291 \pm 14$ events, was collected by the NA62 experiment at CERN during 2017-2018. In order t…

hep-ex2021★ 69 cited

Search for $K^{+}$ decays to a muon and invisible particles

NA62 collaboration

The NA62 experiment at CERN reports searches for $K^{+} \to μ^{+} N$ and $K^{+} \to μ^{+} ν X$ decays, where $N$ and $X$ are massive invisible particles, using the 2016-2018 data set. The $N$ par…

hep-ex2020★ 58 cited

Search for $π^{0}$ decays to invisible particles

NA62 Collaboration

The NA62 experiment at the CERN SPS reports a study of a sample of $4 \times 1 0^{9}$ tagged $π^{0}$ mesons from $K^{+} \to π^{+} π^{0} (γ)$ , searching for the decay of the $π^{0}$ to invisibl…

hep-ex2020★ 38 cited

An investigation of the very rare $K^{+} \to π^{+} ν ν ˉ$ decay

NA62 Collaboration

The NA62 experiment reports an investigation of the $K^{+} \to π^{+} ν ν ˉ$ mode from a sample of $K^{+}$ decays collected in 2017 at the CERN SPS. The experiment has achieved a si…

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★ 24 cited

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

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

A search for $C P$ violation in $Λ_{b}^{0} \to p K^{-}$ and $Λ_{b}^{0} \to p π^{-}$ decays is presented using a sample of $pp$ collisions collected with the LHCb detector and corresponding to…

hep-ex2018★ 12 cited

Measurement of $C P$ violation in $B^{0} \to D^{\mp} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +786

A measurement of the $C P$ asymmetries $S_{f}$ and $S_{f ˉ}$ in $B^{0} \to D^{\mp} π^{\pm}$ decays is reported. The decays are reconstructed in a dataset collected with the LHCb exp…

hep-ex2018★ 40 cited

Measurement of $C P$ asymmetries in two-body $B_{(s)}^{0}$ -meson decays to charged pions and kaons

LHCb collaboration, R. Aaij, B. Adeva +786

The time-dependent $C P$ asymmetries in $B^{0} \to π^{+} π^{-}$ and $B_{s}^{0} \to K^{+} K^{-}$ decays are measured using a data sample of $pp$ collisions corresponding to an integrated luminosity…

hep-ex2018★ 16 cited

Observation of the decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +787

The decay $Λ_{b}^{0} \to Λ_{c}^{+} p p π^{-}$ is observed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of $s =$ 7 and 8 TeV, corresp…

hep-ex2018★ 2 cited

Measurement of the $C P$ asymmetry in $B^{-} \to D_{s}^{-} D^{0}$ and $B^{-} \to D^{-} D^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +787

The $C P$ asymmetry in $B^{-} \to D_{s}^{-} D^{0}$ and $B^{-} \to D^{-} D^{0}$ decays is measured using LHCb data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected in $pp$ collisi…

hep-ex2018★ 28 cited

Measurement of the inelastic $pp$ cross-section at a centre-of-mass energy of 13\,TeV

LHCb collaboration, R. Aaij, B. Adeva +782

The cross-section for inelastic proton-proton collisions at a centre-of-mass energy of 13\,TeV is measured with the LHCb detector. The fiducial cross-section for inelastic interact…

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-ex2018★ 86 cited

Search for heavy neutral lepton production in $K^{+}$ decays

NA62 collaboration

A search for heavy neutral lepton production in $K^{+}$ decays using a data sample collected with a minimum bias trigger by the NA62 experiment at CERN in 2015 is reported. Upper lim…

hep-ex2017★ 20 cited

First measurement of the $C P$ -violating phase $ϕ_{s}^{d d}$ in $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays

LHCb collaboration, R. Aaij, B. Adeva +793

A flavour-tagged decay-time-dependent amplitude analysis of $B_{s}^{0} \to (K^{+} π^{-}) (K^{-} π^{+})$ decays is presented in the $K^{\pm} π^{\mp}$ mass range from 750 to 1600 MeV $/ c^{2}$ . The analys…

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★ 45 cited

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +790

We report the measurements of the $C P$ -violating parameters in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays observed in $pp$ collisions, using a data set corresponding to an integrated lum…

hep-ex2017★ 280 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ})$ / $B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$

LHCb collaboration, R. Aaij, B. Adeva +797

A measurement is reported of the ratio of branching fractions $R (J / ψ) = B (B_{c}^{+} \to J / ψ τ^{+} ν_{τ}) / B (B_{c}^{+} \to J / ψ μ^{+} ν_{μ})$ , where the $τ^{+}$ lepton is id…

hep-ex2017★ 18 cited

Measurement of branching fractions of charmless four-body $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, B. Adeva +794

A search for charmless four-body decays of $Λ_{b}^{0}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons (either kaons or pions) in the final state is performed. The d…

hep-ex2017★ 312 cited

Test of Lepton Flavor Universality by the measurement of the $B^{0} \to D^{*-} τ^{+} ν_{τ}$ branching fraction using three-prong $τ$ decays

LHCb collaboration, R. Aaij, B. Adeva +806

The ratio of branching fractions $R (D^{*-}) \equiv B (B^{0} \to D^{*-} τ^{+} ν_{τ}) / B (B^{0} \to D^{*-} μ^{+} ν_{μ})$ is measured using a data sample of proton-proton colli…

hep-ex2017★ 20 cited

Measurements of the branching fractions of $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +804

The ratios of the branching fractions of the decays $Λ_{c}^{+} \to p π^{-} π^{+}$ , $Λ_{c}^{+} \to p K^{-} K^{+}$ , and $Λ_{c}^{+} \to p π^{-} K^{+}$ with res…

hep-ex2017★ 14 cited

First observation of the rare purely baryonic decay $B^{0} \to p p ˉ$

LHCb collaboration, R. Aaij, B. Adeva +802

The first observation of the decay of a $B^{0}$ meson to a purely baryonic final state, $B^{0} \to p p ˉ$ , is reported. The proton-proton collision data sample used was collected w…

hep-ex2017★ 38 cited

Measurement of $C P$ observables in $B^{\pm} \to D^{()} K^{\pm}$ and $B^{\pm} \to D^{()} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +803

Measurements of $C P$ observables in $B^{\pm} \to D^{(*)} K^{\pm}$ and $B^{\pm} \to D^{(*)} π^{\pm}$ decays are presented, where $D^{(*)}$ indicates a neutral $D$ or $D^{*}$ m…

hep-ex2017★ 81 cited

Prompt and nonprompt J/ $ψ$ production and nuclear modification in $p$ Pb collisions at $s_{NN} = 8.16$ TeV

LHCb collaboration, R. Aaij, B. Adeva +806

The production of J/ $ψ$ mesons is studied in proton-lead collisions at the centre-of-mass energy per nucleon pair $s_{NN} = 8.16$ TeV with the LHCb detector at the LHC.…

Measurement of the K+→π+γγ decay

Search for K+ decays to a muon and invisible particles

Search for π0 decays to invisible particles

An investigation of the very rare K+→π+ννˉ decay

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

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

Search for CP violation in Λb0​→pK− and Λb0​→pπ− decays

Measurement of CP violation in B0→D∓π± decays

Measurement of CP asymmetries in two-body B(s)0​-meson decays to charged pions and kaons

Observation of the decay Λb0​→Λc+​pp​π−

Measurement of the CP asymmetry in B−→Ds−​D0 and B−→D−D0 decays

Measurement of the inelastic pp cross-section at a centre-of-mass energy of 13\,TeV

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

Search for heavy neutral lepton production in K+ decays

First measurement of the CP-violating phase ϕsdd​ in Bs0​→(K+π−)(K−π+) decays

Evidence for the rare decay Σ+→pμ+μ−

Measurement of CP asymmetry in Bs0​→Ds∓​K± decays

Measurement of the ratio of branching fractions B(Bc+​→J/ψτ+ντ​)/B(Bc+​→J/ψμ+νμ​)

Measurement of branching fractions of charmless four-body Λb0​ and Ξb0​ decays

Test of Lepton Flavor Universality by the measurement of the B0→D∗−τ+ντ​ branching fraction using three-prong τ decays

Measurements of the branching fractions of Λc+​→pπ−π+, Λc+​→pK−K+, and Λc+​→pπ−K+

First observation of the rare purely baryonic decay B0→ppˉ​

Measurement of CP observables in B±→D(∗)K± and B±→D(∗)π± decays

Prompt and nonprompt J/ψ production and nuclear modification in pPb collisions at sNN​​=8.16 TeV