A. Mogini

activity

20162022

C P

violation in charm decays

297 citations · 2.1k across the 38 of their papers we have counts for

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38 papers · 1 filter

hep-ex2022★ 14 cited

Search for the lepton-flavour violating decays $B^{0} \to K^{* 0} τ^{\pm} μ^{\mp}$

LHCb collaboration

A first search for the lepton-flavour violating decays $B^{0} \to K^{* 0} τ^{\pm} μ^{\mp}$ is presented. The analysis is performed using a sample of proton-proton collision data, collecte…

hep-ex2020

Searches for 25 rare and forbidden decays of $D^{+}$ and $D_{s}^{+}$ mesons

LHCb collaboration, R. Aaij, C. Abellán Beteta +998

A search is performed for rare and forbidden charm decays of the form $D_{(s)}^{+} \to h^{\pm} ℓ^{+} ℓ^{(') \mp}$ , where $h^{\pm}$ is a pion or kaon and $ℓ^{(^{'}) \pm}$ is an ele…

hep-ex2020★ 27 cited

Measurement of the $Λ_{b}^{0} \to J / ψ Λ$ angular distribution and the $Λ_{b}^{0}$ polarisation in $pp$ collisions

LHCb collaboration, R. Aaij, C. Abellán Beteta +912

This paper presents an analysis of the $Λ_{b}^{0} \to J / ψ Λ$ angular distribution and the transverse production polarisation of $Λ_{b}^{0}$ baryons in proton-proton collisions at cen…

hep-ex2020

First observation of excited $Ω_{b}^{-}$ states

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

We report four narrow peaks in the $Ξ_{b}^{0} K^{-}$ mass spectrum obtained using $pp$ collisions at center-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated lumino…

hep-ex2020★ 8 cited

Measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

A measurement of the branching fraction of the decay $B_{s}^{0} \to K_{S}^{0} K_{S}^{0}$ is performed using proton-proton collision data corresponding to an integrated luminosity of 5 $fb^{-1}…

hep-ex2020★ 45 cited

Observation of a new baryon state in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum

LHCb collaboration, R. Aaij, C. Abellán Beteta +905

A new baryon state is observed in the $Λ_{b}^{0} π^{+} π^{-}$ mass spectrum with high significance using a data sample of $pp$ collisions, collected with the LHCb detector at centre-of-mass…

hep-ex2020★ 28 cited

Constraints on the $K_{S}^{0} \to μ^{+} μ^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. Abellán Beteta +901

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 fb^{- 1}$ a…

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★ 31 cited

Measurement of $f_{s} / f_{u}$ variation with proton-proton collision energy and $B$ -meson kinematics

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

The ratio of the $B_{s}^{0}$ and $B^{+}$ fragmentation fractions $f_{s}$ and $f_{u}$ is studied with $B_{s}^{0} \to J / ψ ϕ$ and $B^+\to\mathrm{J…

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★ 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★ 28 cited

Measurement of charged hadron production in $Z$ -tagged jets in proton-proton collisions at $s = 8$ TeV

LHCb Collaboration, R. Aaij, C. Abellán Beteta +851

The production of charged hadrons within jets recoiling against a $Z$ boson is measured in proton-proton collision data at $s = 8$ TeV recorded by the LHCb experiment. The cha…

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★ 297 cited

Observation of $C P$ violation in charm decays

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

A search for charge-parity ( $C P$ ) violation in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays is reported, using $pp$ collision data corresponding to an integrated luminosity of…

hep-ex2019★ 2 cited

Measurements of $C P$ asymmetries in charmless four-body $Λ_{b}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A search for $C P$ violation in charmless four-body decays of $Λ_{b}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons in the final state is performed. To cancel out product…

hep-ex2019★ 114 cited

Measurement of b-hadron fractions in 13 TeV pp collisions

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The production fractions of $B_{s}^{0}$ and $Λ_{b}^{0}$ hadrons, normalized to the sum of $B^{-}$ and $B^{0}$ fractions, are measured in 13 TeV pp collisions using data c…

hep-ex2019★ 17 cited

Observation of $B_{(s)}^{0} \to J / ψ p p$ decays and precision measurements of the $B_{(s)}^{0}$ masses

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The first observation of the decays $B_{(s)}^{0} \to J / ψ p p$ is reported, using proton-proton collision data corresponding to an integrated luminosity of $5.2{\text{\,fb}}…

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★ 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★ 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★ 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.…

Search for the lepton-flavour violating decays B0→K∗0τ±μ∓

Searches for 25 rare and forbidden decays of D+ and Ds+​ mesons

Measurement of the Λb0​→J/ψΛ angular distribution and the Λb0​ polarisation in pp collisions

First observation of excited Ωb−​ states

Measurement of the branching fraction of the decay Bs0​→KS0​KS0​

Observation of a new baryon state in the Λb0​π+π− mass spectrum

Constraints on the KS0​→μ+μ− branching fraction

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

Measurement of fs​/fu​ variation with proton-proton collision energy and B-meson kinematics

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

A search for Ξcc++​→D+pK−π+ decays

Measurement of charged hadron production in Z-tagged jets in proton-proton collisions at s​=8 TeV

First observation of the radiative decay Λb0​→Λγ

Observation of CP violation in charm decays

Measurements of CP asymmetries in charmless four-body Λb​ and Ξb0​ decays