G. Gazzoni

activity

20142025

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 12.7k across the 181 of their papers we have counts for

collaborators

Showing 2017Show all

43 papers · 1 filter

hep-ex2017★ 19 cited

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

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

The time-integrated Dalitz plot of the three-body hadronic charmless decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ is studied using a $pp$ collision data…

hep-ex2017★ 39 cited

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

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

Amplitude models are constructed to describe the resonance structure of $D^{0} \to K^{-} π^{+} π^{+} π^{-}$ and $D^{0} \to K^{+} π^{-} π^{-} π^{+}$ decays using $pp$ collision data co…

hep-ex2017★ 33 cited

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +792

A search for the flavor-changing neutral-current decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collected…

hep-ex2017★ 34 cited

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

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

The difference between the $C P$ asymmetries in the decays $Λ_{c}^{+} \to p K^{-} K^{+}$ and $Λ_{c}^{+} \to p π^{-} π^{+}$ is presented. Proton-proton collision data t…

hep-ex2017★ 15 cited

Search for $B_{c}^{+}$ decays to two charm mesons

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

A search for decays of $B_{c}^{+}$ mesons to two charm mesons is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ , collected by the LH…

hep-ex2017★ 24 cited

Search for excited $B_{c}^{+}$ states

LHCb collaboration, R. Aaij, B. Adeva +792

A search is performed in the invariant mass spectrum of the $B_{c}^{+} π^{+} π^{-}$ system for the excited $B_{c}^{+}$ states $B_{c} (2^{1} S_{0})^{+}$ and $B_{c} (2^{3} S_{1})^{+}$ using a data sam…

hep-ex2017★ 33 cited

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +792

We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{-} π^{+}$ rates. The analysis uses a data sample of proton-pro…

hep-ex2017★ 12 cited

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

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

A search for $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 4.8 fb $^{- 1}$ , collected at centre-of-mass ene…

hep-ex2017★ 45 cited

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +796

The production of $B^{\pm}$ mesons is studied in $pp$ collisions at centre-of-mass energies of 7 and 13 TeV, using $B^{\pm} \to J / ψ K^{\pm}$ decays and data samples correspon…

hep-ex2017★ 42 cited

Search for the lepton-flavour violating decays $B_{(s)}^{0} \to e^{\pm} μ^{\mp}$

LHCb collaboration, R. Aaij, B. Adeva +799

A search for the lepton-flavour violating decays $B_{s}^{0} \to e^{\pm} μ^{\mp}$ and $B^{0} \to e^{\pm} μ^{\mp}$ is performed based on a sample of proton-proton collision data co…

hep-ex2017★ 206 cited

Search for dark photons produced in 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +796

Searches are performed for both prompt-like and long-lived dark photons, $A^{'}$ , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using $A^{\prime}\…

hep-ex2017★ 14 cited

Measurement of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays using two- and four-body $D$ final states

LHCb collaboration, R. Aaij, B. Adeva +799

Measurements of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays are presented, where $D$ denotes a superposition of $D^{0}$ and $D^{0}$ meson states. Decays of t…

hep-ex2017★ 23 cited

$χ_{c 1}$ and $χ_{c 2}$ resonance parameters with the decays $χ_{c 1, c 2} \to J / ψ μ^{+} μ^{-}$

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

The decays $χ_{c 1} \to J / ψ μ^{+} μ^{-}$ and $χ_{c 2} \to J / ψ μ^{+} μ^{-}$ are observed and used to study the resonance parameters of the $χ_{c 1}$ and $χ_{c 2}$ mesons. The mass…

hep-ex2017

Measurement of $C P$ violation in $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ decays

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

A measurement is presented of decay-time-dependent $C P$ violation in the decays $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ , where the $J / ψ$ is reco…

hep-ex2017★ 5 cited

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

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

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

hep-ex2017★ 48 cited

Measurement of the shape of the $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ differential decay rate

LHCb collaboration, R. Aaij, B. Adeva +801

A measurement of the shape of the differential decay rate and the associated Isgur-Wise function for the decay $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ is reported, using data corresponding to…

hep-ex2017★ 14 cited

Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $s$ = 7 TeV

LHCb collaboration, R. Aaij, B. Adeva +805

Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb…

hep-ex2017★ 26 cited

Measurement of the $Υ$ polarizations in $pp$ collisions at $s$ =7 and 8TeV

LHCb collaboration, R. Aaij, B. Adeva +801

The polarization of the $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ mesons, produced in $pp$ collisions at centre-of-mass energies $s$ =7 and 8TeV, is measured using data samples collected…

hep-ex2017★ 318 cited

Measurement of the ratio of the $B^{0} \to D^{-} τ^{+} ν_{τ}$ and $B^{0} \to D^{-} μ^{+} ν_{μ}$ branching fractions using three-prong $τ$ -lepton 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★ 14 cited

Study of $b b ˉ$ correlations in high energy proton-proton collisions

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

Kinematic correlations for pairs of beauty hadrons, produced in high energy proton-proton collisions, are studied. The data sample used was collected with the LHCb experiment at ce…

hep-ex2017★ 13 cited

Search for baryon-number-violating $Ξ_{b}^{0}$ oscillations

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

A search for baryon-number-violating $Ξ_{b}^{0}$ oscillations is performed with a sample of $pp$ collision data recorded by the LHCb experiment, corresponding to an integrated luminosi…

hep-ex2017★ 102 cited

Study of prompt D $^{0}$ meson production in pPb collisions at $s$ =5 TeV

LHCb collaboration, R. Aaij, B. Adeva +807

Production of prompt D $^{0}$ mesons is studied in proton-lead and lead-proton collisions recorded at the LHCb detector at the LHC. The data sample corresponds to an integrated lumino…

hep-ex2017★ 39 cited

Observation of $D^{0}$ meson decays to $π^{+} π^{-} μ^{+} μ^{-}$ and $K^{+} K^{-} μ^{+} μ^{-}$ final states

LHCb collaboration, R. Aaij, B. Adeva +801

The first observation of the $D^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ and $D^{0} \to K^{+} K^{-} μ^{+} μ^{-}$ decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass e…

hep-ex2017★ 11 cited

Updated branching fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays

LHCb collaboration, R. Aaij, B. Adeva +776

The charmless three-body decays $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ (where $h^{(')} = π, K$ ) are analysed using a sample of $pp$ collision dat…

Amplitude analysis of the decay B0→KS0​π+π− and first observation of the CP asymmetry in B0→K∗(892)−π+

Studies of the resonance structure in D0→K∓π±π±π∓ decays

Search for the rare decay Λc+​→pμ+μ−

A measurement of the CP asymmetry difference in Λc+​→pK−K+ and pπ−π+ decays

Search for Bc+​ decays to two charm mesons

Search for excited Bc+​ states

Updated determination of D0-D0 mixing and CP violation parameters with D0→K+π− decays

First observation of B+→Ds+​K+K− decays and a search for B+→Ds+​ϕ decays

Measurement of the B± production cross-section in pp collisions at s​= 7 and 13 TeV

Search for the lepton-flavour violating decays B(s)0​→e±μ∓

Search for dark photons produced in 13 TeV pp collisions

Measurement of CP observables in B±→DK∗± decays using two- and four-body D final states

χc1​ and χc2​ resonance parameters with the decays χc1,c2​→J/ψμ+μ−

Measurement of CP violation in B0→J/ψKS0​ and B0→ψ(2S)KS0​ decays

First observation of forward Z→bbˉ production in pp collisions at s​=8 TeV

Measurement of the shape of the Λb0​→Λc+​μ−ν differential decay rate

Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at s​ = 7 TeV

Measurement of the Υ polarizations in pp collisions at s​=7 and 8TeV

Measurement of the ratio of the B0→D∗−τ+ντ​ and B0→D∗−μ+νμ​ branching fractions using three-prong τ-lepton decays

Study of bbˉ correlations in high energy proton-proton collisions

Search for baryon-number-violating Ξb0​ oscillations

Study of prompt D0 meson production in pPb collisions at s​=5 TeV

Observation of D0 meson decays to π+π−μ+μ− and K+K−μ+μ− final states

Updated branching fraction measurements of B(s)0​→KS0​h+h′− decays

Amplitude analysis of the decay $B^{0} \to K_{S}^{0} π^{+} π^{-}$ and first observation of the CP asymmetry in $B^{0} \to K^{*} (892)^{-} π^{+}$

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

Search for $B_{c}^{+}$ decays to two charm mesons

Search for excited $B_{c}^{+}$ states

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

Search for the lepton-flavour violating decays $B_{(s)}^{0} \to e^{\pm} μ^{\mp}$

Search for dark photons produced in 13 TeV $pp$ collisions

Measurement of $C P$ observables in $B^{\pm} \to D K^{*\pm}$ decays using two- and four-body $D$ final states

$χ_{c 1}$ and $χ_{c 2}$ resonance parameters with the decays $χ_{c 1, c 2} \to J / ψ μ^{+} μ^{-}$

Measurement of $C P$ violation in $B^{0} \to J / ψ K_{S}^{0}$ and $B^{0} \to ψ (2 S) K_{S}^{0}$ decays

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

Measurement of the shape of the $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ differential decay rate

Bose-Einstein correlations of same-sign charged pions in the forward region in $pp$ collisions at $s$ = 7 TeV

Measurement of the $Υ$ polarizations in $pp$ collisions at $s$ =7 and 8TeV

Measurement of the ratio of the $B^{0} \to D^{-} τ^{+} ν_{τ}$ and $B^{0} \to D^{-} μ^{+} ν_{μ}$ branching fractions using three-prong $τ$ -lepton decays

Study of $b b ˉ$ correlations in high energy proton-proton collisions

Search for baryon-number-violating $Ξ_{b}^{0}$ oscillations

Study of prompt D $^{0}$ meson production in pPb collisions at $s$ =5 TeV

Observation of $D^{0}$ meson decays to $π^{+} π^{-} μ^{+} μ^{-}$ and $K^{+} K^{-} μ^{+} μ^{-}$ final states

Updated branching fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays