CERN Accelerating science

CERN Document Server Encontrados 20 registros  1 - 10siguiente  ir al registro: La búsqueda tardó 0.74 segundos. 
1.
First Result from the Alpha Magnetic Spectrometer on the International Space Station: Precision Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5–350 GeV / AMS Collaboration
A precision measurement by the Alpha Magnetic Spectrometer on the International Space Station of the positron fraction in primary cosmic rays in the energy range from 0.5 to 350 GeV based on 6.8×106 positron and electron events is presented. The very accurate data show that the positron fraction is steadily increasing from 10 to ∼250  GeV, but, from 20 to 250 GeV, the slope decreases by an order of magnitude. [...]
2013 - 10 p. - Published in : Phys. Rev. Lett. 110 (2013) 141102 External links: Interactions.org article; Symmetry Magazine article; Press Release
2.
Study of Jet Shapes in Inclusive Jet Production in pp Collisions at $\sqrt{s}$ = 7 TeV using the ATLAS Detector / ATLAS Collaboration
Jet shapes have been measured in inclusive jet production in proton-proton collisions at sqrt(s) = 7 TeV using 3 pb^{-1} of data recorded by the ATLAS experiment at the LHC. Jets are reconstructed using the anti-kt algorithm with transverse momentum 30 GeV < pT < 600 GeV and rapidity in the region |y| < 2.8. [...]
arXiv:1101.0070; CERN-PH-EP-2010-077; CERN-PH-EP-2010-077.- Geneva : CERN, 2011 - 35 p. - Published in : Phys. Rev. D 83 (2011) 052003 APS Open Access article: PDF; Fulltext: PDF; External links: all figures including auxiliary figures; Rivet analyses reference
3.
Measurement of the centrality dependence of $J/{\psi}$ yields and observation of Z production in lead-lead collisions with the ATLAS detector at the LHC / ATLAS Collaboration
Using the ATLAS detector, a centrality-dependent suppression has been observed in the yield of $J/{\psi}$ mesons produced in the collisions of lead ions at the Large Hadron Collider. In a sample of minimum-bias lead-lead collisions at a nucleon-nucleon centre of mass energy $\surd sNN$ = 2.76 TeV, corresponding to an integrated luminosity of about 6.7 ${\mu}b^{-1}$, $J/{\psi}$ mesons are reconstructed via their decays to ${\mu}+{\mu}-$ pairs. [...]
arXiv:1012.5419; CERN-PH-EP-2010-090; CERN-PH-EP-2010-090.- Geneva : CERN, 2013-07-16 - 19 p. - Published in : Phys. Lett. B 697 (2011) 294-312 Elsevier Open Access article: PDF; Fulltext: PDF; External link: all figures including auxiliary figures
4.
Measurement of the inclusive isolated prompt photon cross section in pp collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the cross section for the inclusive production of isolated prompt photons in $pp$ collisions at a centre-of-mass energy $\sqrt(s)$ = 7 TeV is presented. The measurement covers the pseudorapidity ranges $|\eta^{\gamma}| < 1.37$ and $1.52 \leq |\eta^{\gamma}| < 1.81$ in the transverse energy range $15 \leq E^{\gamma}_T\ \leq 100~GeV$. [...]
arXiv:1012.4389; CERN-PH-EP-2010-068; CERN-PH-EP-2010-068.- Geneva : CERN, 2011 - 33 p. - Published in : Phys. Rev. D 83 (2011) 052005 APS Open Access article: PDF; Fulltext: PDF; External links: all figures including auxiliary figures; Rivet analyses reference
5.
Charged-particle multiplicities in pp interactions measured with the ATLAS detector at the LHC / ATLAS Collaboration
Measurements are presented from proton-proton collisions at centre-of-mass energies of sqrt(s) = 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the LHC. Events were collected using a single-arm minimum-bias trigger. [...]
arXiv:1012.5104; CERN-PH-EP-2010-079; CERN-PH-EP-2010-079.- Geneva : CERN, 2011 - 70 p. - Published in : New J. Phys. 13 (2011) 053033 Fulltext: arXiv:1012.5104 - PDF; njp11_5_053033 - PDF; IOP Open Access article: PDF; External links: all figures including auxiliary figures; Rivet analyses reference
6.
Studies of the performance of the ATLAS detector using cosmic-ray muons / ATLAS Collaboration
Muons from cosmic-ray interactions in the atmosphere provide a high-statistics source of particles that can be used to study the performance and calibration of the ATLAS detector. Cosmic-ray muons can penetrate to the cavern and deposit energy in all detector subsystems. [...]
arXiv:1011.6665; CERN-PH-EP-2010-070.- 2011 - 36 p. - Published in : Eur. Phys. J. C 71 (2011) 1593 Fulltext: PDF; Springer Open Access article: PDF; External links: Preprint; Previous draft version
In : The performance of ATLAS detector, pp.239-274
7.
Measurement of the $W\to l\nu$ and $Z/\gamma* \to ll$ production cross sections in proton-proton collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / ATLAS Collaboration
First measurements of the W -> lnu and Z/gamma* -> ll (l = e, mu) production cross sections in proton-proton collisions at sqrt(s) = 7 TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W -> lnu and 179 Z/gamma* -> ll candidate events selected from a data set corresponding to an integrated luminosity of approximately 320 nb-1. [...]
arXiv:1010.2130; CERN-PH-EP-2010-037; CERN-PH-EP-2010-037.- Geneva : CERN, 2010 - 55 p. - Published in : JHEP 12 (2010) 060 Fulltext: PDF; Springer Open Access article: PDF; External link: all figures including auxiliary figures
8.
Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector / ATLAS Collaboration
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 at the Large Hadron Collider. [...]
arXiv:1009.5908; CERN-PH-EP-2010-034; CERN-PH-EP-2010-034.- Geneva : CERN, 2011 - 67 p. - Published in : Eur. Phys. J. C 71 (2011) 1512 Fulltext: PDF; Springer Open Access article: PDF; External links: all figures including auxiliary figures; Rivet analyses reference
9.
Search for Quark Contact Interactions in Dijet Angular Distributions in $pp$ Collisions at $\sqrt{s}$ = 7 TeV Measured with the ATLAS Detector / ATLAS Collaboration
Dijet angular distributions from the first LHC pp collisions at center-of-mass energy sqrt(s) = 7 TeV have been measured with the ATLAS detector. The dataset used for this analysis represents an integrated luminosity of 3.1 pb-1. [...]
arXiv:1009.5069; CERN-PH-EP-2010-033; CERN-PH-EP-2010-033.- Geneva : CERN, 2013-07-16 - 19 p. - Published in : Phys. Lett. B 694 (2011) 327-345 Elsevier Open Access article: PDF; Fulltext: PDF; External link: all figures including auxiliary figures
10.
Search for New Particles in Two-Jet Final States in 7 TeV Proton-Proton Collisions with the ATLAS Detector at the LHC / ATLAS Collaboration
A search for new heavy particles manifested as narrow resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the Large Hadron Collider (LHC) and correspond to an integrated luminosity of 315 nb^-1 collected by the ATLAS detector. [...]
arXiv:1008.2461; CERN-PH-EP-2010-028; CERN-PH-EP-2010-028.- Geneva : CERN, 2010 - 20 p. - Published in : Phys. Rev. Lett. 105 (2010) 161801 APS Open Access article: PDF; Fulltext: PDF; External link: all figures including auxiliary figures

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