Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering

output

19972026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2016 · hep-exShow all

54 papers · 2 filters

hep-ex2016★ 66 cited

Measurement of the CKM angle $γ$ from a combination of LHCb results

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

A combination of measurements sensitive to the CKM angle $γ$ from LHCb is performed. The inputs are from analyses of time-integrated $B^{+} \to D K^{+}$ , $B^{0} \rightarrow D K…

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★ 21 cited

Observation of $B_{c}^{+} \to J / ψ D^{()} K^{()}$ decays

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

A search for the decays $B_{c}^{+} \to J / ψ D^{(*) 0} K^{+}$ and $B_{c}^{+} \to J / ψ D^{(*) +} K^{* 0}$ is performed with data collected at the LHCb experiment corresponding to an integrated lumino…

hep-ex2016★ 36 cited

Measurements of top quark spin observables in $t t ˉ$ events using dilepton final states in $s = 8$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

Measurements of top quark spin observables in $t t ˉ$ events are presented based on 20.2 fb $^{- 1}$ of $s = 8$ TeV proton-proton collisions recorded with the ATLAS detecto…

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★ 40 cited

Measurements of top-quark pair to $Z$ -boson cross-section ratios at $s = 13, 8, 7$ TeV with the ATLAS detector

ATLAS Collaboration

Ratios of top-quark pair to $Z$ -boson cross sections measured from proton--proton collisions at the LHC centre-of-mass energies of $s = 13$ TeV, 8TeV, and 7TeV are presented by…

hep-ex2016★ 212 cited

Precision measurement and interpretation of inclusive $W^{+}$ , $W^{-}$ and $Z / γ^{*}$ production cross sections with the ATLAS detector

ATLAS Collaboration

High-precision measurements by the ATLAS Collaboration are presented of inclusive $W^{+} \to ℓ^{+} ν$ , $W^{-} \to ℓ^{-} ν ˉ$ and $Z / γ^{*} \to ℓℓ$ ( $ℓ = e, μ$ ) Drell-Yan production cros…

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★ 262 cited

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data

ATLAS Collaboration

This paper describes the algorithms for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC). These alg…

hep-ex2016★ 71 cited

Search for massive long-lived particles decaying semileptonically in the LHCb detector

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

A search is presented for massive long-lived particles decaying into a muon and two quarks. The dataset consists of proton-proton interactions at centre-of-mass energies of 7 and 8…

hep-ex2016★ 855 cited

Performance of the ATLAS Trigger System in 2015

ATLAS Collaboration

During 2015 the ATLAS experiment recorded 3.8 fb $^{- 1}$ of proton--proton collision data at a centre-of-mass energy of 13 TeV. The ATLAS trigger system is a crucial component of th…

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★ 22 cited

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

ATLAS Collaboration

Two searches for new phenomena in final states containing a same-flavour opposite-lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These s…

hep-ex2016★ 236 cited

Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +435

Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models with…

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★ 14 cited

Measurements of charge and CP asymmetries in $b$ -hadron decays using top-quark events collected by the ATLAS detector in $pp$ collisions at $s = 8$ TeV

ATLAS Collaboration

Same- and opposite-sign charge asymmetries are measured in lepton+jets $t t ˉ$ events in which a $b$ -hadron decays semileptonically to a soft muon, using data corresponding to a…

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★ 5 cited

Observation of $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ decays

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

The decays $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ are observed for the first time using a data sample corresponding to an integrated luminosity of $3.0f…

hep-ex2016★ 117 cited

Measurement of matter-antimatter differences in beauty baryon decays

LHCb collaboration, R. Aaij, B. Adeva +762

Differences in the behaviour of matter and antimatter have been observed in $K$ and $B$ meson decays, but not yet in any baryon decay. Such differences are associated with the non-…

Measurement of the CKM angle γ from a combination of LHCb results

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

Observation of Bc+​→J/ψD(∗)K(∗) decays

Measurements of top quark spin observables in ttˉ events using dilepton final states in s​=8 TeV pp collisions with the ATLAS detector

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

Measurements of top-quark pair to Z-boson cross-section ratios at s​=13,8,7TeV with the ATLAS detector

Precision measurement and interpretation of inclusive W+, W− and Z/γ∗ production cross sections with the ATLAS detector

Observation of the decay Ξb−​→pK−K−

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data

Search for massive long-lived particles decaying semileptonically in the LHCb detector

Performance of the ATLAS Trigger System in 2015

Search for decays of neutral beauty mesons into four muons

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in s​=13 TeV pp collisions with the ATLAS detector

Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

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

Measurements of charge and CP asymmetries in b-hadron decays using top-quark events collected by the ATLAS detector 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−

Observation of B+→J/ψ3π+2π− and B+→ψ(2S)π+π+π− decays

Measurement of matter-antimatter differences in beauty baryon decays

Measurement of the CKM angle $γ$ from a combination of LHCb results

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 $s = 13 TeV$

Observation of $B_{c}^{+} \to J / ψ D^{()} K^{()}$ decays

Measurements of top quark spin observables in $t t ˉ$ events using dilepton final states in $s = 8$ TeV $pp$ collisions with the ATLAS detector

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

Measurements of top-quark pair to $Z$ -boson cross-section ratios at $s = 13, 8, 7$ TeV with the ATLAS detector

Precision measurement and interpretation of inclusive $W^{+}$ , $W^{-}$ and $Z / γ^{*}$ production cross sections with the ATLAS detector

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

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

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

Measurements of charge and CP asymmetries in $b$ -hadron decays using top-quark events collected by the ATLAS detector 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 $B^{0} \to ϕ π^{+} π^{-}$

Observation of $B^{+} \to J / ψ 3 π^{+} 2 π^{-}$ and $B^{+} \to ψ (2 S) π^{+} π^{+} π^{-}$ decays