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658 Result(s)
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Article
Open AccessExperimental studies of e + e −→ some charmless processes containing K S 0 at \(\sqrt{s}=3.773\) and 3.65 GeV
We measure the observed cross sections for the charmless processes e + e −→K S
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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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Open AccessSearch for ψ(3770)→ charmless final states involving η or π 0 mesons
We search for ψ(3770)→π + π − η, K + K − ...
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Open AccessFirst measurement of the 2H(6He,7Li)n angular distribution and proton spectroscopic factor in 7Li
The angular distribution of the 2H ( 6He,7Li n reaction was measured with a secondary 6He beam of 36.4MeV for the first time. The proton spectroscopic factor of 7Li ground state was extracted to be 0.42±0.06 by n...
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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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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 AccessReadiness of the ATLAS Tile Calorimeter for LHC collisions
The Tile hadronic calorimeter of the ATLAS detector has undergone extensive testing in the experimental hall since its installation in late 2005. The readout, control and calibration systems have been fully op...
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Open AccessCMS tracking performance results from early LHC operation
The first LHC pp collisions at centre-of-mass energies of 0.9 and 2.36 TeV were recorded by the CMS detector in December 2009. The trajectories of charged particles produced in the collisions were reconstructe...
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Open AccessThe ATLAS Simulation Infrastructure
The simulation software for the ATLAS Experiment at the Large Hadron Collider is being used for large-scale production of events on the LHC Computing Grid. This simulation requires many components, from the ge...
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Open AccessThe ATLAS Inner Detector commissioning and calibration
The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. Its installation was completed in August 2008 and the detector took...
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Open AccessFirst measurement of the underlying event activity at the LHC with \(\sqrt{s} = 0.9\) TeV
A measurement of the underlying activity in scattering processes with p T scale in the GeV region is performed in proton–proton collisions at ...
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Open AccessCommissioning of the ATLAS Muon Spectrometer with cosmic rays
The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performan...
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Open AccessDrift Time Measurement in the ATLAS Liquid Argon Electromagnetic Calorimeter using Cosmic Muons
The ionization signals in the liquid argon of the ATLAS electromagnetic calorimeter are studied in detail using cosmic muons. In particular, the drift time of the ionization electrons is measured and used to a...
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Open AccessReadiness of the ATLAS liquid argon calorimeter for LHC collisions
The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been co...
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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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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
Uniform Convergence of Schrödinger Cocycles over Simple Toeplitz Subshift
For locally constant cocycles defined on an aperiodic subshift, Damanik and Lenz (Duke Math J 133(1): 95–123, 2006) proved that if the subshift satisfies a certain condition (B), then the cocycle is uniform. In t...
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Open AccessMeasurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector
Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb−1 recorded...
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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 \( \sqrt {s} = 7\;{\text{TeV}} \) ...