R. Quagliani

activity

20142026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 14.8k across the 378 of their papers we have counts for

collaborators

Showing 2016Show all

45 papers · 1 filter

hep-ex2016★ 5 cited

Search for the $B_{s}^{0} \to η^{'} ϕ$ decay

LHCb collaboration, R. Aaij, B. Adeva +763

A search for the charmless $B_{s}^{0} \to η^{'} ϕ$ decay is performed using $pp$ collision data collected by the LHCb experiment at centre-of-mass energies of $7$ and $8$ TeV,…

hep-ex2016★ 144 cited

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

LHCb collaboration, R. Aaij, B. Adeva +764

A search for a long-lived scalar particle $χ$ is performed, looking for the decay $B^{+} \to K^{+} χ$ with $χ \to μ^{+} μ^{-}$ in $pp$ collision data corresponding to an integrated lumin…

hep-ex2016★ 77 cited

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

LHCb collaboration, R. Aaij, B. Adeva +763

The production cross-section of $J / ψ$ pairs is measured using a data sample of $pp$ collisions collected by the LHCb experiment at a centre-of-mass energy of $\sqrt{s} = 13 \,{\mat…

hep-ex2016★ 66 cited

Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +764

A measurement of the phase difference between the short- and long-distance contributions to the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay is performed by analysing the dimuon mass distribut…

hep-ex2016★ 7 cited

Measurement of the ratio of branching fractions and difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$

LHCb collaboration, R. Aaij, B. Adeva +764

The ratio of branching fractions and the difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$ are measured using a data sample of $pp$ collisions collec…

hep-ex2016★ 98 cited

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, B. Adeva +766

Measurements of the cross-section for producing \bquark quarks in the reaction $pp \to b b ˉ X$ are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapi…

hep-ex2016★ 15 cited

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +769

A search for time-integrated $C P$ violation in the Cabibbo-suppressed decay $\mbox{$D^0\rightarrowπ^+π^-π^+π^-$}$ is performed using an unbinned, model-independent technique known…

hep-ex2016★ 12 cited

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

Decays of the $Ξ_{b}^{-}$ and $Ω_{b}^{-}$ baryons to the charmless final states $p h^{-} h^{' -}$ , where $h^{(')}$ denotes a kaon or pion, are searched for with the LHCb detector.…

hep-ex2016★ 21 cited

Search for decays of neutral beauty mesons into four muons

LHCb collaboration, R. Aaij, B. Adeva +768

A search for the non-resonant decays $B_{s}^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-} μ^{+} μ^{-}$ is presented. The measurement is performed using the full R…

hep-ex2016★ 45 cited

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +763

A measurement of the time-integrated $C P$ asymmetry in the Cabibbo-suppressed decay $D^{0} \to K^{-} K^{+}$ is performed using pp collision data, corresponding to an integrated lum…

hep-ex2016★ 30 cited

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

LHCb collaboration, R. Aaij, B. Adeva +765

A search for the $B^{0} \to K^{+} K^{-}$ decay is performed using $pp$ -collision data collected by LHCb. The data set corresponds to integrated luminosities of 1 and 2 fb $^{- 1}$ at c…

hep-ex2016★ 19 cited

Measurement of forward $t t$ , $W + b b$ and $W + c c$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +767

The production of $t t$ , $W + b b$ and $W + c c$ is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 Te…

hep-ex2016★ 20 cited

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons

LHCb collaboration, R. Aaij, B. Adeva +767

Two new algorithms for use in the analysis of $pp$ collision are developed to identify the flavour of $B^{0}$ mesons at production using pions and protons from the hadronization proc…

hep-ex2016★ 31 cited

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +764

The first observation of the rare decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$ are reported, using $pp$ collision data recorded by the LHCb detector at centre-of-mas…

hep-ex2016★ 11 cited

Search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +769

A search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$ has been performed using approximately $2.5 \times 1 0^{7}$ events of each of the decays…

hep-ex2016★ 43 cited

Search for Higgs-like bosons decaying into long-lived exotic particles

LHCb collaboration, R. Aaij, B. Adeva +736

A search is presented for massive long-lived particles, in the 20-60 GeV mass range with lifetimes between 5 and 100 ps. The dataset used corresponds to 0.62 1\fb of proton-proton…

hep-ex2016★ 31 cited

Observation of $η_{c} (2 S) \to p p ˉ$ and search for $X (3872) \to p p ˉ$ decays

LHCb collaboration, R. Aaij, B. Adeva +750

The first observation of the decay $η_{c} (2 S) \to p p ˉ$ is reported using proton-proton collision data corresponding to an integrated luminosity of $3.0 f b^{- 1}$ recorded…

hep-ex2016★ 41 cited

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, B. Adeva +755

The ratio of branching fractions $R_{K / π} \equiv B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$ is measured with $pp$ collision data collected by the LHCb…

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★ 136 cited

Amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +751

The first full amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ with $J / ψ \to μ^{+} μ^{-}$ , $ϕ \to K^{+} K^{-}$ decays is performed with a data sample of 3 fb $^{- 1}$ of $pp$ collision data collected at $…

hep-ex2016★ 224 cited

Observation of $J / ψ ϕ$ structures consistent with exotic states from amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +751

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★ 25 cited

Measurement of forward $W$ and $Z$ boson production in association with jets in proton-proton collisions at $s = 8$ TeV

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

The production of $W$ and $Z$ bosons in association with jets is studied in the forward region of proton-proton collisions collected at a centre-of-mass energy of 8 TeV by the LHCb…

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^-\…

Search for the Bs0​→η′ϕ decay

Search for long-lived scalar particles in B+→K+χ(μ+μ−) decays

Measurement of the J/ψ pair production cross-section in pp collisions at s​=13TeV

Measurement of the phase difference between short- and long-distance amplitudes in the B+→K+μ+μ− decay

Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+→J/ψπ+ and B+→J/ψK+

Measurement of the b-quark production cross-section in 7 and 13 TeV pp collisions

Search for CP violation in the phase space of D0→π+π−π+π− decays

Observation of the decay Ξb−​→pK−K−

Search for decays of neutral beauty mesons into four muons

Measurement of CP asymmetry in D0→K−K+ decays

Observation of the annihilation decay mode B0→K+K−

Measurement of forward tt, W+bb and W+cc production in pp collisions at s​=8 TeV

New algorithms for identifying the flavour of B0 mesons using pions and protons

Observation of the decay Bs0​→ϕπ+π− and evidence for B0→ϕπ+π−

Search for the CP-violating strong decays η→π+π− and η′(958)→π+π−

Search for Higgs-like bosons decaying into long-lived exotic particles

Observation of ηc​(2S)→ppˉ​ and search for X(3872)→ppˉ​ decays

Measurement of the ratio of branching fractions B(Bc+​→J/ψK+)/B(Bc+​→J/ψπ+)

Measurement of the properties of the Ξb∗0​ baryon

Amplitude analysis of B+→J/ψϕK+ decays

Observation of J/ψϕ structures consistent with exotic states from amplitude analysis of B+→J/ψϕK+ decays

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

Measurement of forward W and Z boson production in association with jets in proton-proton collisions at s​=8 TeV

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

Search for the $B_{s}^{0} \to η^{'} ϕ$ decay

Search for long-lived scalar particles in $B^{+} \to K^{+} χ (μ^{+} μ^{-})$ decays

Measurement of the $J / ψ$ pair production cross-section in $pp$ collisions at $s = 13 TeV$

Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+} \to K^{+} μ^{+} μ^{-}$ decay

Measurement of the ratio of branching fractions and difference in $C P$ asymmetries of the decays $B^{+} \to J / ψ π^{+}$ and $B^{+} \to J / ψ K^{+}$

Measurement of the $b$ -quark production cross-section in 7 and 13 TeV $pp$ collisions

Search for $C P$ violation in the phase space of $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ decays

Observation of the decay $Ξ_{b}^{-} \to p K^{-} K^{-}$

Measurement of $C P$ asymmetry in $D^{0} \to K^{-} K^{+}$ decays

Observation of the annihilation decay mode $B^{0} \to K^{+} K^{-}$

Measurement of forward $t t$ , $W + b b$ and $W + c c$ production in $pp$ collisions at $s = 8$ TeV

New algorithms for identifying the flavour of $B^{0}$ mesons using pions and protons

Observation of the decay $B_{s}^{0} \to ϕ π^{+} π^{-}$ and evidence for $B^{0} \to ϕ π^{+} π^{-}$

Search for the $C P$ -violating strong decays $η \to π^{+} π^{-}$ and $η^{'} (958) \to π^{+} π^{-}$

Observation of $η_{c} (2 S) \to p p ˉ$ and search for $X (3872) \to p p ˉ$ decays

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / ψ K^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

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

Amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

Observation of $J / ψ ϕ$ structures consistent with exotic states from amplitude analysis of $B^{+} \to J / ψ ϕ K^{+}$ decays

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

Measurement of forward $W$ and $Z$ boson production in association with jets in proton-proton collisions at $s = 8$ TeV

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