S. Amato

activity

20002018

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 10.9k across the 129 of their papers we have counts for

collaborators

Showing 2013Show all

33 papers · 1 filter

hep-ex2013★ 20 cited

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

LHCb collaboration, R. Aaij, B. Adeva +672

The first measurement of the effective lifetime of the $B ˉ_{s}^{0}$ meson in the decay $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ is reported using a proton-proton collision dataset, correspondi…

hep-ex2013★ 67 cited

Study of forward Z+jet production in pp collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, B. Adeva +667

A measurement of the $Z (\to μ^{+} μ^{-})$ +jet production cross-section in $pp$ collisions at a centre-of-mass energy $s = 7$ TeV is presented. The analysis is based on an…

hep-ex2013★ 41 cited

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +656

A study of indirect CP violation in $D^{0}$ mesons through the determination of the parameter $A_{Γ}$ is presented using a data sample of $pp$ collisions, corresponding to an integrate…

hep-ex2013

Search for the decay D0 to π+ π- μ+ μ-

LHCb collaboration, R. Aaij, B. Adeva +656

A search for the D0 to π+ π- μ+ μ- decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated lu…

hep-ex2013★ 36 cited

Observation of the decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$

LHCb collaboration, R. Aaij, B. Adeva +656

The decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity…

hep-ex2013★ 72 cited

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

LHCb collaboration, R. Aaij, B. Adeva +657

Measurements of charm mixing parameters from the decay-time-dependent ratio of D0->K+pi- to D0->K-pi+ rates and the charge-conjugate ratio are reported. The analysis uses data, cor…

hep-ex2013★ 559 cited

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +655

We present a measurement of form-factor independent angular observables in the decay \mbox{ $B^{0} \to K^{*} (892)^{0} μ^{+} μ^{-}$ }. The analysis is based on a data sample corresponding to…

hep-ex2013★ 18 cited

First evidence for the two-body charmless baryonic decay $B^{0} \to p p ˉ$

LHCb collaboration, R. Aaij, B. Adeva +657

The results of a search for the rare two-body charmless baryonic decays $B^{0} \to p p ˉ$ and $B_{s}^{0} \to p p ˉ$ are reported. The analysis uses a data sample, corresponding t…

nucl-ex2013★ 73 cited

Study of $J / ψ$ production and cold nuclear matter effects in $p$ Pb collisions at $s_{N N} = 5 TeV$

LHCb collaboration, R. Aaij, B. Adeva +656

The production of $J / ψ$ mesons with rapidity $1.5 < y < 4.0$ or $- 5.0 < y < - 2.5$ and transverse momentum $p_{T} < 14 GeV / c$ is studied with the LHCb detector in proton-lead…

hep-ex2013★ 32 cited

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

LHCb collaboration, R. Aaij, B. Adeva +652

The first observation of the B0->J/ψK+K- decay is presented with a data sample corresponding to an integrated luminosity of 1.0/fb of pp collisions at a center-of-mass energy of 7…

hep-ex2013★ 70 cited

Observation of the decay Bc+ -> Bs0 pi+

LHCb collaboration, R. Aaij, B. Adeva +653

The result of a search for the decay Bc+ -> Bs0 pi+ is presented, using the Bs0 -> Ds- pi+ and Bs0 -> J/psi Phi channels. The analysis is based on a data sample of pp collisions co…

hep-ex2013

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +657

A measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays is presented using $pp$ collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , r…

hep-ex2013★ 44 cited

Precision measurement of the Lambda_b baryon lifetime

LHCb collaboration, R. Aaij, B. Adeva +652

The ratio of the Λb baryon lifetime to that of the B0 meson is measured using 1.0/fb of integrated luminosity in 7 TeV center-of-mass energy pp collisions at the LHC. The Λb baryon…

hep-ex2013★ 24 cited

Study of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays with first observation of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ and $B_{s}^{0} \to K_{S}^{0} π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +657

A search for charmless three-body decays of $B^{0}$ and $B_{s}^{0}$ mesons with a $K_{S}^{0}$ meson in the final state is performed using the $pp$ collision data, corresponding to an…

hep-ex2013★ 75 cited

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

LHCb collaboration, R. Aaij, B. Adeva +657

A broad peaking structure is observed in the dimuon spectrum of $B^{+} \to K^{+} μ^{+} μ^{-}$ decays in the kinematic region where the kaon has a low recoil against the dimuon system. The s…

hep-ex2013★ 153 cited

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +627

An angular analysis of the decay $J / ψ \to μ^{+} μ^{-}$ is performed to measure the polarization of prompt $J / ψ$ mesons produced in $pp$ collisions at $\sqrt{s}=7\; \mathrm{T…

hep-ex2013★ 302 cited

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

LHCb collaboration, R. Aaij, B. Adeva +650

A search for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is performed at the LHCb experiment. The data analysed correspond to an integrated luminosity of 1 fb $^{- 1}$ of $…

hep-ex2013★ 37 cited

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

LHCb collaboration, R. Aaij, B. Adeva +650

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 with a data sample, corresponding to an integrated luminosit…

hep-ex2013★ 37 cited

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

An analysis of the decay B0 -> J/psi K*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0fb^-1, collected in pp collisions at a centre-of-mass energy…

hep-ex2013★ 81 cited

First observation of the decay $B_{c}^{+} \to J / ψ K^{+}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

The decay $B_{c}^{+} \to J / ψ K^{+}$ is observed for the first time using a data sample, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , collected by the LHCb experiment in…

hep-ex2013★ 17 cited

Searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +650

The results of searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays are reported. The analysis is based on a data sample, corre…

hep-ex2013★ 55 cited

Search for the rare decay $D^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +634

A search for the rare decay $D^{0} \to μ^{+} μ^{-}$ is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb $^{- 1}$ , of $pp$ collisions collected at a centre-…

hep-ex2013★ 20 cited

Measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime

LHCb collaboration, R. Aaij, C. Abellan Beteta +630

This paper reports the first measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are pe…

hep-ex2013★ 58 cited

Measurement of the CKM angle gamma from a combination of B->Dh analyses

LHCb collaboration, R. Aaij, C. Abellan Beteta +633

A combination of three LHCb measurements of the CKM angle gamma is presented. The decays B->DK and B->Dpi are used, where D denotes an admixture of D0 and D0-bar mesons, decaying i…

Measurement of the Bˉs0​→Ds−​Ds+​ and Bˉs0​→D−Ds+​ effective lifetimes

Study of forward Z+jet production in pp collisions at s​=7 TeV

Measurements of indirect CP asymmetries in D0→K−K+ and D0→π−π+ decays

Search for the decay D0 to π+ π- μ+ μ-

Observation of the decay Bc​→J/ψK+K−π+

Measurement of D0-D0bar mixing parameters and search for CP violation using D0->K+pi- decays

Measurement of form-factor independent observables in the decay B0→K∗0μ+μ−

First evidence for the two-body charmless baryonic decay B0→ppˉ​

Study of J/ψ production and cold nuclear matter effects in pPb collisions at sNN​​=5TeV

First observation of B0->J/ψK+K- and search for B0->J/ψϕ decays

Observation of the decay Bc+ -> Bs0 pi+

Measurement of the C¶ asymmetry in B+→K+μ+μ− decays

Precision measurement of the Lambda_b baryon lifetime

Study of B(s)0​→KS0​h+h′− decays with first observation of Bs0​→KS0​K±π∓ and Bs0​→KS0​π+π−

Observation of a resonance in B+→K+μ+μ− decays at low recoil

Measurement of J/ψ polarization in pp collisions at s​=7 TeV

Measurement of the Bs0​→μ+μ− branching fraction and search for B0→μ+μ− decays at the LHCb experiment

Search for the lepton-flavour violating decays Bs0​→e±μ∓ and B0→e±μ∓

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

First observation of the decay Bc+​→J/ψK+

Searches for B(s)0​→J/ψpp​ and B+→J/ψpp​π+ decays

Search for the rare decay D0→μ+μ−

Measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime

Measurement of the CKM angle gamma from a combination of B->Dh analyses

Measurement of the $B ˉ_{s}^{0} \to D_{s}^{-} D_{s}^{+}$ and $B ˉ_{s}^{0} \to D^{-} D_{s}^{+}$ effective lifetimes

Study of forward Z+jet production in pp collisions at $s = 7$ TeV

Measurements of indirect CP asymmetries in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays

Observation of the decay $B_{c} \to J / ψ K^{+} K^{-} π^{+}$

Measurement of form-factor independent observables in the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

First evidence for the two-body charmless baryonic decay $B^{0} \to p p ˉ$

Study of $J / ψ$ production and cold nuclear matter effects in $p$ Pb collisions at $s_{N N} = 5 TeV$

Measurement of the $C ¶$ asymmetry in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays

Study of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ decays with first observation of $B_{s}^{0} \to K_{S}^{0} K^{\pm} π^{\mp}$ and $B_{s}^{0} \to K_{S}^{0} π^{+} π^{-}$

Observation of a resonance in $B^{+} \to K^{+} μ^{+} μ^{-}$ decays at low recoil

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

Measurement of the $B_{s}^{0} \to μ^{+} μ^{-}$ branching fraction and search for $B^{0} \to μ^{+} μ^{-}$ decays at the LHCb experiment

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

First observation of the decay $B_{c}^{+} \to J / ψ K^{+}$

Searches for $B_{(s)}^{0} \to J / ψ p p$ and $B^{+} \to J / ψ p p π^{+}$ decays

Search for the rare decay $D^{0} \to μ^{+} μ^{-}$