1,372 Result(s)
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Article
Open AccessCombined measurement and QCD analysis of the inclusive e ± p scattering cross sections at HERA
A combination is presented of the inclusive deep inelastic cross sections measured by the H1 and ZEUS Collaborations in neutral and charged current unpolarised e ±
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Open AccessTransverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at \(\sqrt{s} = 0.9 \) and 2.36 TeV
Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at ...
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Article
Open AccessEvents with an isolated lepton and missing transverse momentum and measurement of W production at HERA
A search for events containing an isolated electron or muon and missing transverse momentum produced in e ± p collisions is performed with the H1 and ZEUS detectors...
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Open AccessDiffractive electroproduction of ρ and ϕ mesons at HERA
Diffractive electroproduction of ρ and ϕ mesons is measured at HERA with the H1 detector in the elastic and proton dissociative channels. The data correspond to an integrated luminosity of 51 pb−1. About 10500 ρ ...
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Open AccessMeasurement of J/ψ photoproduction at large momentum transfer at HERA
The proton-dissociative diffractive photoproduction of J/ψ mesons has been studied in ep collisions with the ZEUS detector at HERA using an integrated luminosity of 112 pb−1. The cross section is presented as a f...
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Open AccessScaled momentum spectra in deep inelastic scattering at HERA
Charged particle production has been studied in neutral current deep inelastic ep scattering with the ZEUS detector at HERA using an integrated luminosity of 0.44 fb−1. Distributions of scaled momenta in the Brei...
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Article
Open AccessExclusive leptoproduction of real photons on a longitudinally polarised hydrogen target
Polarisation asymmetries are measured for the hard exclusive leptoproduction of real photons from a longitudinally polarised hydrogen target. These asymmetries arise from the deeply virtual Compton scattering ...
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Open AccessLeading-order determination of the gluon polarization from high-p T hadron electroproduction
Longitudinal double-spin asymmetries of charged hadrons with high transverse momentum p T have been measured in electroproduction using the Hermes detec...
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Article
Open AccessPerformance of the ATLAS detector using first collision data
More than half a million minimum-bias events of LHC collision data were collected by the ATLAS experiment in December 2009 at centre-of-mass energies of 0.9 TeV and 2.36 TeV. This paper reports on studies of t...
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Article
Open AccessObservation of long-range, near-side angular correlations in proton-proton collisions at the LHC
Results on two-particle angular correlations for charged particles emitted in proton-proton collisions at center-of-mass energies of 0.9, 2.36, and 7 TeV are presented, using data collected with the CMS detect...
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Open AccessErratum: Scaled momentum spectra in deep inelastic scattering at HERA
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Open AccessMeasurement of D + and Λ c + production in deep inelastic scattering at HERA
Charm production in deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 120 pb−1. The hadronic decay channels D + → K ...
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Article
Open AccessMeasurement of the W → ℓν and Z/γ * → ℓℓ production cross sections in proton-proton collisions at \( \sqrt {s} = 7\;{\text{TeV}} \) with the ATLAS detector
First measurements of the W → ℓν and Z/γ * → ℓℓ (ℓ = e, μ) production cross sections in proton-proton collisions at
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Open AccessMeasurements of inclusive W and Z cross sections in pp collisions at \( \sqrt {s} = 7 \) TeV
Measurements of inclusive W and Z boson production cross sections in pp collisions at \( \sqrt {s} = 7 \) TeV are prese...
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Article
Open AccessCharged particle multiplicities in pp interactions at \( \sqrt {s} = 0.9 \) , 2.36, and 7 TeV
Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of
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Article
Open AccessStudy of taupair production at HERA
A study of events containing two tau leptons with high transverse momentum has been performed with the ZEUS detector at HERA, using a data sample corresponding to an integrated luminosity of 0.33 fb−1. The tau ca...
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Open AccessSearch for heavy stable charged particles in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
The result of a search at the LHC for heavy stable charged particles produced in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \) ...
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Article
Open AccessInclusive b-hadron production cross section with muons in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
A measurement of the b-hadron production cross section in proton-proton collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
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Article
Open AccessMeasurement of \( {\text{B}}\overline {\text{B}} \) angular correlations based on secondary vertex reconstruction at \( \sqrt {s} = 7\,{\text{TeV}} \)
A measurement of the angular correlations between beauty and anti-beauty hadrons ( \( {\text{B}}\overline {\text{B}} \) )...
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Open AccessMeasurement of the lepton charge asymmetry in inclusive W production in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
A measurement of the lepton charge asymmetry in inclusive pp → WX production at \( \sqrt {s} = 7\;{\text{TeV}} \) is pr...