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Showing 2016 · hep-exShow all

37 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★ 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★ 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★ 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★ 116 cited

Measurement of the prompt $J / ψ$ pair production cross-section in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

The production of two prompt $J / ψ$ mesons, each with transverse momenta $p_{T} > 8.5$ GeV and rapidity $∣ y ∣ < 2.1$ , is studied using a sample of proton-proton collisions at…

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★ 28 cited

Cosmic-muon characterization and annual modulation measurement with Double Chooz detectors

T. Abrahão, H. Almazan, J. C. dos Anjos +107

A study on cosmic muons has been performed for the two identical near and far neutrino detectors of the Double Chooz experiment, placed at $\sim$ 120 and $\sim$ 300 m.w.e. undergroun…

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★ 77 cited

Measurements of $ψ (2 S)$ and $X (3872) \to J / ψ π^{+} π^{-}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm states $X (3872)$ and $ψ (2 S)$ , in the decay mode $J / ψ π^{+} π^{-}$ , measured using 1…

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★ 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★ 32 cited

Search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in two decay channels ( $W^{\pm} W^{\pm} W^{\mp} \to ℓ^{\pm} ν ℓ^{\pm} ν ℓ^{\mp} ν$ and $W^{\pm}…

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★ 9 cited

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

The BABAR Collaboration

Using a sample of (470.9 +- 2.8) x 10^6 BB-bar pairs, we measure the decay branching fraction B(B^0 -> D^*- pi^+ pi^- pi^+) = (7.26 +- 0.11 +- 0.31) x 10^-3, where the first uncert…

hep-ex2016★ 21 cited

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

ATLAS Collaboration

Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identif…

hep-ex2016★ 35 cited

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

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

The polarization of photons produced in radiative $B_{s}^{0}$ decays is studied for the first time. The data are recorded by the LHCb experiment in $pp$ collisions corresponding to…

hep-ex2016★ 49 cited

Measurement of the $t t ˉ Z$ and $t t ˉ W$ production cross sections in multilepton final states using 3.2 fb $^{- 1}$ of $pp$ collisions at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A measurement of the $t t ˉ Z$ and $t t ˉ W$ production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is prese…

hep-ex2016★ 28 cited

Dark matter interpretations of ATLAS searches for the electroweak production of supersymmetric particles in $s = 8$ TeV proton-proton collisions

ATLAS Collaboration

A selection of searches by the ATLAS experiment at the LHC for the electroweak production of SUSY particles are used to study their impact on the constraints on dark matter candida…

hep-ex2016★ 16 cited

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

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

The $C P$ violation observables $S$ and $C$ in the decay channel $B^{0} \to D^{+} D^{-}$ are determined from a sample of proton-proton collisions at center-of-mass energies of 7…

hep-ex2016★ 430 cited

Luminosity determination in pp collisions at $s$ = 8 TeV using the ATLAS detector at the LHC

ATLAS Collaboration

The luminosity determination for the ATLAS detector at the LHC during pp collisions at $s$ = 8 TeV in 2012 is presented. The evaluation of the luminosity scale is performed…

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

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

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+

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

Measurement of the prompt J/ψ pair production cross-section in pp collisions at s​=8 TeV with the ATLAS detector

Observation of the decay Ξb−​→pK−K−

Cosmic-muon characterization and annual modulation measurement with Double Chooz detectors

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

Measurements of ψ(2S) and X(3872)→J/ψπ+π− production in pp collisions at s​=8 TeV with the ATLAS detector

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

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

Search for triboson W±W±W∓ production in pp collisions at s​=8 TeV with the ATLAS detector

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

Measurement of the B^0 -> D^*- pi^+ pi^- pi^+ branching fraction

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

First experimental study of photon polarization in radiative Bs0​ decays

Measurement of the ttˉZ and ttˉW production cross sections in multilepton final states using 3.2 fb−1 of pp collisions at s​ = 13 TeV with the ATLAS detector

Dark matter interpretations of ATLAS searches for the electroweak production of supersymmetric particles in s​=8 TeV proton-proton collisions

Measurement of CP violation in B0→D+D− decays

Luminosity determination in pp collisions at s​ = 8 TeV using the ATLAS detector at the LHC

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

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

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 $B^{+} \to J / ψ K^{+}$

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

Measurement of the prompt $J / ψ$ pair production cross-section in $pp$ collisions at $s = 8$ TeV 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

Measurements of $ψ (2 S)$ and $X (3872) \to J / ψ π^{+} π^{-}$ production in $pp$ collisions at $s = 8$ TeV 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

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

Search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

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

First experimental study of photon polarization in radiative $B_{s}^{0}$ decays

Measurement of the $t t ˉ Z$ and $t t ˉ W$ production cross sections in multilepton final states using 3.2 fb $^{- 1}$ of $pp$ collisions at $s$ = 13 TeV with the ATLAS detector

Dark matter interpretations of ATLAS searches for the electroweak production of supersymmetric particles in $s = 8$ TeV proton-proton collisions

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

Luminosity determination in pp collisions at $s$ = 8 TeV using the ATLAS detector at the LHC