M. Frosini

activity

20092025

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 14.5k across the 176 of their papers we have counts for

collaborators

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171 papers · 1 filter

hep-ex2019★ 64 cited

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

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

A search for the doubly charmed baryon $Ξ_{cc}^{+}$ is performed through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, using proton-proton collision data collected with the LHCb de…

hep-ex2018★ 9 cited

Measurement of the branching fractions of the decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$

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

The branching fractions of the doubly Cabibbo-suppressed decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$ are measured using the decays…

hep-ex2018★ 21 cited

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

LHCb collaboration, R. Aaij, B. Adeva +819

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is used to perform a measurement of the CP-violating obse…

hep-ex2016★ 33 cited

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

We perform a search for near-threshold $Ξ_{b}^{0}$ resonances decaying to $Ξ_{b}^{-} π^{+}$ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb$^{-1…

hep-ex2016★ 154 cited

Evidence for exotic hadron contributions to $Λ_{b}^{0} \to J / ψ p π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +739

A full amplitude analysis of $Λ_{b}^{0} \to J / ψ p π^{-}$ decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV $pp$ collisions, corresponding to an integ…

hep-ex2016★ 21 cited

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

R. Aaij, C. Abellán Beteta, B. Adeva +727

A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb $^{- 1}$ collected by LHCb at $s = 7$ and 8 TeV, is used to reconstruct $63 \pm 9$ $Ω_b^-\…

hep-ex2016★ 40 cited

Measurement of the $C P$ asymmetry in $B_{s}^{0} - B_{s}^{0}$ mixing

LHCb collaboration, R. Aaij, B. Adeva +735

The $C P$ asymmetry in the mixing of $B_{s}^{0}$ and $B_{s}^{0}$ mesons is measured in proton-proton collision data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ ,…

hep-ex2016★ 160 cited

Model-independent evidence for $J / ψ p$ contributions to $Λ_{b}^{0} \to J / ψ p K^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

The data sample of $Λ_{b}^{0} \to J / ψ p K^{-}$ decays acquired with the LHCb detector from 7 and 8~TeV $pp$ collisions, corresponding to an integrated luminosity of 3 fb $^{- 1}$ , is inspect…

hep-ex2016★ 35 cited

A precise measurement of the $B^{0}$ meson oscillation frequency

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The oscillation frequency, $Δ m_{d}$ , of $B^{0}$ mesons is measured using semileptonic decays with a $D^{-}$ or $D^{*-}$ meson in the final state, in a data sample of $pp$ collisions coll…

hep-ex2016★ 39 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

Measurements of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays are presented where the $D$ meson is reconstructed in the final states $K^\…

hep-ex2016★ 18 cited

Search for $B_{c}^{+}$ decays to the $p p ˉ π^{+}$ final state

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

A search for the decays of the $B_{c}^{+}$ meson to $p p ˉ π^{+}$ is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 $fb^{- 1}$ …

hep-ex2016★ 30 cited

Observation of $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ decays and a measurement of the $Λ_{b}^{0}$ baryon mass

LHCb collaboration, R. Aaij, C. Abellán Beteta +733

The decays $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ are observed in a data sample corresponding to an integrated luminosity of 3fb $^{- 1}$ , collected in proton-proton…

hep-ex2016★ 42 cited

Search for violations of Lorentz invariance and $C P T$ symmetry in $B_{(s)}^{0}$ mixing

LHCb collaboration, R. Aaij, C. Abellán Beteta +729

Violations of $C P T$ symmetry and Lorentz invariance are searched for by studying interference effects in $B^{0}$ mixing and in $B_{s}^{0}$ mixing. Samples of $ B^0\to J/ψK^0_{\mathrm{…

hep-ex2016★ 23 cited

Observation of the $Λ_{b}^{0} \to Λ ϕ$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The $Λ_{b}^{0} \to Λ ϕ$ decay is observed using data corresponding to an integrated luminosity of 3.0fb $^{- 1}$ recorded by the LHCb experiment. The decay proceeds at leading order via a $…

hep-ex2016★ 17 cited

Study of $D_{s J}^{() +}$ mesons decaying to $D^{+} K_{S}^{0}$ and $D^{* 0} K^{+}$ final states

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

A search is performed for $D_{s J}^{(*) +}$ mesons in the reactions $pp \to D^{*+} K_{S}^{0} X$ and $pp \to D^{* 0} K^{+} X$ using data collected at centre-of-mass energies of 7 and 8…

hep-ex2016★ 5 cited

Measurement of the $B_{s}^{0} \to D_{s}^{() +} D_{s}^{() -}$ branching fractions

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

The branching fraction of the decay $B_{s}^{0} \to D_{s}^{(*) +} D_{s}^{(*) -}$ is measured using $pp$ collision data corresponding to an integrated luminosity of $1.0 f b^{- 1}$ …

hep-ex2016★ 26 cited

A new algorithm for identifying the flavour of $B_{s}^{0}$ mesons at LHCb

LHCb collaboration, R. Aaij, C. Abellán Beteta +732

A new algorithm for the determination of the initial flavour of $B_{s}^{0}$ mesons is presented. The algorithm is based on two neural networks and exploits the $b$ hadron production me…

hep-ex2016★ 35 cited

First observation of $D^{0} - D ˉ^{0}$ oscillations in $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ decays and measurement of the associated coherence parameters

LHCb collaboration, R. Aaij, C. Abellán Beteta +733

Charm meson oscillations are observed in a time-dependent analysis of the ratio of $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ to $D^{0} \to K^{-} π^{+} π^{-} π^{+}$ decay rates, using data corresponding to an integr…

hep-ex2016★ 27 cited

Constraints on the unitarity triangle angle $γ$ from Dalitz plot analysis of $B^{0} \to D K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +731

The first study is presented of CP violation with an amplitude analysis of the Dalitz plot of $B^{0} \to D K^{+} π^{-}$ decays, with $D \to K^{+} π^{-}$ , $K^{+} K^{-}$ and $π^{+} π^{-}$ . The analysi…

hep-ex2016★ 57 cited

Measurement of the difference of time-integrated CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +728

A search for CP violation in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays is performed using $pp$ collision data, corresponding to an integrated luminos…

hep-ex2016★ 41 cited

Search for the lepton-flavour violating decay $D^{0} \to e^{\pm} μ^{\mp}$

LHCb collaboration, R. Aaij, B. Adeva +720

A search for the lepton-flavour violating decay $D^{0} \to e^{\pm} μ^{\mp}$ is made with a dataset corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ of proton-proton collisions…

hep-ex2015★ 133 cited

Measurement of forward $W$ and $Z$ boson production in $pp$ collisions at $s = 8 Te V$

LHCb collaboration, R. Aaij, C. Abellán Beteta +730

Measurements are presented of electroweak boson production using data from $pp$ collisions at a centre-of-mass energy of $s = 8 Te V$ . The analysis is…

hep-ex2015★ 58 cited

Production of associated $Υ$ and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV via double parton scattering

LHCb collaboration, R. Aaij, C. Abellán Beteta +724

Associated production of bottomonia and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV is observed using data corresponding to an integrated luminosity of 3$fb^{-…

hep-ex2015★ 30 cited

Evidence for the strangeness-changing weak decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +724

Using a $pp$ collision data sample corresponding to an integrated luminosity of 3.0~fb $^{- 1}$ , collected by the LHCb detector, we present the first search for the strangeness-chang…

Search for the doubly charmed baryon Ξcc+​

Measurement of the branching fractions of the decays D+→K−K+K+, D+→π−π+K+ and Ds+​→π−K+K+

Measurement of the CKM angle γ using B±→DK± with D→KS0​π+π−, KS0​K+K− decays

Measurement of the properties of the Ξb∗0​ baryon

Evidence for exotic hadron contributions to Λb0​→J/ψpπ− decays

Measurement of the mass and lifetime of the Ωb−​ baryon

Measurement of the CP asymmetry in Bs0​−Bs0​ mixing

Model-independent evidence for J/ψp contributions to Λb0​→J/ψpK− decays

A precise measurement of the B0 meson oscillation frequency

Measurement of CP observables in B±→DK± and B±→Dπ± with two- and four-body D decays

Search for Bc+​ decays to the ppˉ​π+ final state

Observation of Λb0​→ψ(2S)pK− and Λb0​→J/ψπ+π−pK− decays and a measurement of the Λb0​ baryon mass

Search for violations of Lorentz invariance and CPT symmetry in B(s)0​ mixing

Observation of the Λb0​→Λϕ decay

Study of DsJ(∗)+​ mesons decaying to D∗+KS0​ and D∗0K+ final states

Measurement of the Bs0​→Ds(∗)+​Ds(∗)−​ branching fractions

A new algorithm for identifying the flavour of Bs0​ mesons at LHCb

First observation of D0−Dˉ0 oscillations in D0→K+π−π+π− decays and measurement of the associated coherence parameters

Constraints on the unitarity triangle angle γ from Dalitz plot analysis of B0→DK+π− decays

Measurement of the difference of time-integrated CP asymmetries in D0→K−K+ and D0→π−π+ decays

Search for the lepton-flavour violating decay D0→e±μ∓

Measurement of forward W and Z boson production in pp collisions at s​=8TeV

Production of associated Υ and open charm hadrons in pp collisions at s​=7 and 8TeV via double parton scattering

Evidence for the strangeness-changing weak decay Ξb−​→Λb0​π−

Search for the doubly charmed baryon $Ξ_{cc}^{+}$

Measurement of the branching fractions of the decays $D^{+} \to K^{-} K^{+} K^{+}$ , $D^{+} \to π^{-} π^{+} K^{+}$ and $D_{s}^{+} \to π^{-} K^{+} K^{+}$

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

Measurement of the properties of the $Ξ_{b}^{* 0}$ baryon

Evidence for exotic hadron contributions to $Λ_{b}^{0} \to J / ψ p π^{-}$ decays

Measurement of the mass and lifetime of the $Ω_{b}^{-}$ baryon

Measurement of the $C P$ asymmetry in $B_{s}^{0} - B_{s}^{0}$ mixing

Model-independent evidence for $J / ψ p$ contributions to $Λ_{b}^{0} \to J / ψ p K^{-}$ decays

A precise measurement of the $B^{0}$ meson oscillation frequency

Measurement of $C P$ observables in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ with two- and four-body $D$ decays

Search for $B_{c}^{+}$ decays to the $p p ˉ π^{+}$ final state

Observation of $Λ_{b}^{0} \to ψ (2 S) p K^{-}$ and $Λ_{b}^{0} \to J / ψ π^{+} π^{-} p K^{-}$ decays and a measurement of the $Λ_{b}^{0}$ baryon mass

Search for violations of Lorentz invariance and $C P T$ symmetry in $B_{(s)}^{0}$ mixing

Observation of the $Λ_{b}^{0} \to Λ ϕ$ decay

Study of $D_{s J}^{() +}$ mesons decaying to $D^{+} K_{S}^{0}$ and $D^{* 0} K^{+}$ final states

Measurement of the $B_{s}^{0} \to D_{s}^{() +} D_{s}^{() -}$ branching fractions

A new algorithm for identifying the flavour of $B_{s}^{0}$ mesons at LHCb

First observation of $D^{0} - D ˉ^{0}$ oscillations in $D^{0} \to K^{+} π^{-} π^{+} π^{-}$ decays and measurement of the associated coherence parameters

Constraints on the unitarity triangle angle $γ$ from Dalitz plot analysis of $B^{0} \to D K^{+} π^{-}$ decays

Measurement of the difference of time-integrated CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

Search for the lepton-flavour violating decay $D^{0} \to e^{\pm} μ^{\mp}$

Measurement of forward $W$ and $Z$ boson production in $pp$ collisions at $s = 8 Te V$

Production of associated $Υ$ and open charm hadrons in $pp$ collisions at $s = 7$ and $8$ TeV via double parton scattering

Evidence for the strangeness-changing weak decay $Ξ_{b}^{-} \to Λ_{b}^{0} π^{-}$