M. Fontana

activity

20232026

most citedObservation of the doubly-charmed-baryon decay

Ξ_{cc}^{++} \to Ξ_{c}^{0} π^{+} π^{+}

6 citations · 51 across the 60 of their papers we have counts for

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58 papers · 1 filter

hep-ex2026

Branching fraction measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ decay at high dihadron mass

LHCb collaboration, R. Aaij, M. Abdelfatah +1103

This Letter presents the first measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ differential branching fraction in the region of the dihadron $K^{+} π^{-}$ mass, $m_{K π}$ , $1000< m_{…

hep-ex2026

Branching fraction measurements of $η$ and $η^{'} (958)$ anomalous decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

Branching fractions of $η$ and $η^{'} (958)$ anomalous decays are measured using $pp$ collision data at a center-of-mass energy of $s = 13 TeV$ collected by the LHCb exper…

hep-ex2026

Search for $B$ meson decays to multimuon final states

LHCb collaboration, R. Aaij, M. Abdelfatah +1109

A search for decays of $B$ mesons to final states with four or six muons using $pp$ collision data recorded by the LHCb experiment corresponding to an integrated luminosity of $5.4…

hep-ex2026

Observation of several sources of $C P$ violation in $B^{+} \to K^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1116

An amplitude analysis of $B^{+} \to K^{+} π^{+} π^{-}$ decays is presented in which six $C P$ -violating phenomena are judged to be of significance for the first time. This analysis is b…

hep-ex2026

Resolution of outstanding puzzles in $B^{+} \to K^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1116

An amplitude analysis of $B^{+} \to K^{+} π^{+} π^{-}$ decays is presented, based on $pp$ collision data recorded with the LHCb detector in 2011--2012, corresponding to an integrated lum…

hep-ex2026

Amplitude analysis of $B^{+} \to K^{+} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1116

The branching fractions and quasi-two-body $C P$ -violating asymmetries of intermediate states obtained through an amplitude analysis of the charmless three-body decay $B^+ \!\to K…

hep-ex2026

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

A search for charge-parity ( $C P$ ) violation in the Cabibbo-suppressed $D^{+} \to ϕ π^{+}$ decay is presented, using proton-proton collision data corresponding to an integrated luminos…

hep-ex2026

Observation of new excited $Σ_{c}^{0}$ states in the $B^{-} \to Λ_{c}^{+} p π^{-}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1100

An amplitude analysis of the $B^{-} \to Λ_{c}^{+} p π^{-}$ decay is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\text{…

hep-ex2026

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$

LHCb collaboration, R. Aaij, M. Abdelfatah +1103

A search for the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$ is performed using proton-proton collision data recorded by the LHCb experi…

hep-ex2026

Measurement of $γ$ using $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1105

A measurement of the CKM angle $γ$ using the decay channels $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ , where the $D$ meson decays to $D\rightarrow K_{\rm S}^{…

hep-ex2026

Measurement of the $W$ -boson production cross-sections in $pp$ collisions at $s$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the $W$ -boson production cross-section is performed using the $W \to μν$ decay channel, based on a sample of proton-proton collision data collected by th…

hep-ex2026

Precision measurement of the muon charge asymmetry from $W$ -boson decays in $pp$ collisions at $s$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A precision measurement of the muon charge asymmetry from $W$ -boson decays in proton-proton collisions at $s$ = 13 TeV is presented. The analysis utilizes data corresponding…

hep-ex2026

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

The inclusive production of the $η_{c} (1 S)$ , $η_{c} (2 S)$ and $χ_{c}$ charmonium states in $b$ -hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity o…

hep-ex2026

Study of the $B^{0} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K_{S}^{0}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1113

The decay $B^{0} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K_{S}^{0}$ is studied at LHCb for the first time using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\s…

hep-ex2026

Test of lepton flavour universality with $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays at large dilepton invariant mass

LHCb collaboration, R. Aaij, M. Abdelfatah +1115

Muon-electron universality is tested in $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays, in the dilepton-invariant-mass region above the $ψ (2 S)$ resonance. The analysis uses beauty mesons…

hep-ex2026

Measurement of the local and nonlocal amplitudes in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

This paper presents a thorough study of the local and nonlocal amplitudes in $B^{+} \to K^{+} μ^{+} μ^{-}$ transitions through an amplitude analysis of the dimuon mass spectrum of the decay.…

hep-ex2026

Machine learning techniques for jet reconstruction at LHCb and application to the search for $H \to b b ˉ$ and $H \to c c ˉ$ in $s = 13$ TeV $pp$ collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1194

Two machine learning techniques for jet measurements at the LHCb experiment are presented: a regression-based method for jet-energy calibration and a deep neural network algorithm…

hep-ex2026

Search for lepton-number-violating $B^{-} \to D^{(*) +} μ^{-} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

A search is performed for lepton-number-violating $B^{-} \to D^{(*) +} μ^{-} μ^{-}$ decays, using data collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy…

hep-ex2026

Evidence for the rare decay $B^{+} \to Λ ˉ p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1186

A search for the rare decay $B^{+} \to Λ ˉ p μ^{+} μ^{-}$ is performed using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $\sqrt{s}=…

hep-ex2026

First evidence of the $B_{s}^{0} \to K^{-} π^{+} γ$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first search for the $B_{s}^{0} \to K^{-} π^{+} γ$ decay in the range $796 < m (K^{-} π^{+}) < 1800 MeV/ c^{2}$ is performed using data from proton-proton collisions collected by the L…

hep-ex2025

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

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

An analysis of the $B^{0} \to K^{* 0} (\to K^{+} π^{-}) μ^{+} μ^{-}$ decay is presented using proton-proton collision data collected by the LHCb experiment, corresponding to an inte…

hep-ex2025★ 2 cited

Search for heavy neutral leptons in B-meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a $μ^{\pm} π^{\mp}$ final state is performed with data collected by the LHCb experiment in pro…

hep-ex2025

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…

hep-ex2025★ 1 cited

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of $B^{0}$ and $B_{s}^{0}$ decays to the $(K^{+} π^{-}) (K^{-} π^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

Branching fraction measurement of the B0→K+π−μ+μ− decay at high dihadron mass

Branching fraction measurements of η and η′(958) anomalous decays

Search for B meson decays to multimuon final states

Observation of several sources of CP violation in B+→K+π+π− decays

Resolution of outstanding puzzles in B+→K+π+π− decays

Amplitude analysis of B+→K+π+π− decays

Search for CP violation in D+→ϕπ+ decays

Observation of new excited Σc0​ states in the B−→Λc+​p​π− decay

Observation of the charmless purely baryonic decay Λb0​→Λpp​

Measurement of γ using B±→DK± and B±→Dπ± decays with D→KS0​π+π− and D→KS0​K+K−

Measurement of the W-boson production cross-sections in pp collisions at s​ = 13 TeV in the forward region

Precision measurement of the muon charge asymmetry from W-boson decays in pp collisions at s​ = 13 TeV in the forward region

Measurement of inclusive production of charmonium states in b-hadron decays via their decay into ϕϕ

Study of the B0→Λc+​Λˉc−​KS0​ decay

Test of lepton flavour universality with B0→K∗0ℓ+ℓ− decays at large dilepton invariant mass

Measurement of the local and nonlocal amplitudes in B+→K+μ+μ− decays

Machine learning techniques for jet reconstruction at LHCb and application to the search for H→bbˉ and H→ccˉ in s​=13 TeV pp collisions

Search for lepton-number-violating B−→D(∗)+μ−μ− decays

Evidence for the rare decay B+→Λˉpμ+μ−

First evidence of the Bs0​→K−π+γ decay

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

Search for heavy neutral leptons in B-meson decays

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

Measurement of the branching fractions and longitudinal polarisations of B(s)0​→K∗0K∗0 decays

Branching fraction measurement of the $B^{0} \to K^{+} π^{-} μ^{+} μ^{-}$ decay at high dihadron mass

Branching fraction measurements of $η$ and $η^{'} (958)$ anomalous decays

Search for $B$ meson decays to multimuon final states

Observation of several sources of $C P$ violation in $B^{+} \to K^{+} π^{+} π^{-}$ decays

Resolution of outstanding puzzles in $B^{+} \to K^{+} π^{+} π^{-}$ decays

Amplitude analysis of $B^{+} \to K^{+} π^{+} π^{-}$ decays

Search for $C P$ violation in $D^{+} \to ϕ π^{+}$ decays

Observation of new excited $Σ_{c}^{0}$ states in the $B^{-} \to Λ_{c}^{+} p π^{-}$ decay

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$

Measurement of $γ$ using $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$

Measurement of the $W$ -boson production cross-sections in $pp$ collisions at $s$ = 13 TeV in the forward region

Precision measurement of the muon charge asymmetry from $W$ -boson decays in $pp$ collisions at $s$ = 13 TeV in the forward region

Measurement of inclusive production of charmonium states in $b$ -hadron decays via their decay into $ϕϕ$

Study of the $B^{0} \to Λ_{c}^{+} Λ ˉ_{c}^{-} K_{S}^{0}$ decay

Test of lepton flavour universality with $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays at large dilepton invariant mass

Measurement of the local and nonlocal amplitudes in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

Machine learning techniques for jet reconstruction at LHCb and application to the search for $H \to b b ˉ$ and $H \to c c ˉ$ in $s = 13$ TeV $pp$ collisions

Search for lepton-number-violating $B^{-} \to D^{(*) +} μ^{-} μ^{-}$ decays

Evidence for the rare decay $B^{+} \to Λ ˉ p μ^{+} μ^{-}$

First evidence of the $B_{s}^{0} \to K^{-} π^{+} γ$ decay

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

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays