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Träfflista för sökning "WFRF:(Szczygiel R. R.) ;pers:(Di Girolamo B.)"

Sökning: WFRF:(Szczygiel R. R.) > Di Girolamo B.

  • Resultat 1-10 av 16
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1.
  • Aad, G., et al. (författare)
  • 2010
  • swepub:Mat__t
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2.
  • Aad, G., et al. (författare)
  • 2011
  • swepub:Mat__t
  •  
3.
  • Aad, G., et al. (författare)
  • 2010
  • swepub:Mat__t
  •  
4.
  • Aad, G., et al. (författare)
  • 2010
  • swepub:Mat__t
  •  
5.
  • 2011
  • swepub:Mat__t
  •  
6.
  • Aad, G., et al. (författare)
  • 2010
  • swepub:Mat__t
  •  
7.
  • Abate, E., et al. (författare)
  • Combined performance tests before installation of the ATLAS Semiconductor and Transition Radiation Tracking Detectors
  • 2008
  • Ingår i: Journal of Instrumentation. - 1748-0221. ; 3
  • Tidskriftsartikel (refereegranskat)abstract
    • The ATLAS (A Toroidal LHC ApparatuS) Inner Detector provides charged particle tracking in the centre of the ATLAS experiment at the Large Hadron Collider (LHC). The Inner Detector consists of three subdetectors: the Pixel Detector, the Semiconductor Tracker (SCT), and the Transition Radiation Tracker (TRT). This paper summarizes the tests that were carried out at the final stage of SCT+TRT integration prior to their installation in ATLAS. The combined operation and performance of the SCT and TRT barrel and endcap detectors was investigated through a series of noise tests, and by recording the tracks of cosmic rays. This was a crucial test of hardware and software of the combined tracker detector systems. The results of noise and cross-talk tests on the SCT and TRT in their final assembled configuration, using final readout and supply hardware and software, are reported. The reconstruction and analysis of the recorded cosmic tracks allowed testing of the offline analysis chain and verification of basic tracker performance parameters, such as efficiency and spatial resolution, in combined operation before installation.
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8.
  • Abat, E., et al. (författare)
  • Combined performance studies for electrons at the 2004 ATLAS combined test-beam
  • 2010
  • Ingår i: Journal of Instrumentation. - : Institute of Physics (IOP). - 1748-0221. ; 5, s. P11006-
  • Tidskriftsartikel (refereegranskat)abstract
    • In 2004 at the ATLAS (A Toroidal LHC ApparatuS) combined test beam, one slice of the ATLAS barrel detector (including an Inner Detector set-up and the Liquid Argon calorimeter) was exposed to particles from the H8 SPS beam line at CERN. It was the first occasion to test the combined electron performance of ATLAS. This paper presents results obtained for the momentum measurement p with the Inner Detector and for the performance of the electron measurement with the LAr calorimeter (energy E linearity and resolution) in the presence of a magnetic field in the Inner Detector for momenta ranging from 20 GeV/c to 100 GeV/c. Furthermore the particle identification capabilities of the Transition Radiation Tracker, Bremsstrahlungs-recovery algorithms relying on the LAr calorimeter and results obtained for the E/p ratio and a way how to extract scale parameters will be discussed.
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9.
  • Abat, E., et al. (författare)
  • A layer correlation technique for pion energy calibration at the 2004 ATLAS Combined Beam Test
  • 2011
  • Ingår i: Journal of Instrumentation. - : Institute of Physics (IOP). - 1748-0221. ; 6
  • Tidskriftsartikel (refereegranskat)abstract
    • A new method for calibrating the hadron response of a segmented calorimeter is developed and successfully applied to beam test data. It is based on a principal component analysis of energy deposits in the calorimeter layers, exploiting longitudinal shower development information to improve the measured energy resolution. Corrections for invisible hadronic energy and energy lost in dead material in front of and between the calorimeters of the ATLAS experiment were calculated with simulated Geant4 Monte Carlo events and used to reconstruct the energy of pions impinging on the calorimeters during the 2004 Barrel Combined Beam Test at the CERN H8 area. For pion beams with energies between 20 GeV and 180 GeV, the particle energy is reconstructed within 3% and the energy resolution is improved by between 11% and 25% compared to the resolution at the electromagnetic scale.
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10.
  • Abat, E., et al. (författare)
  • Photon reconstruction in the ATLAS Inner Detector and Liquid Argon Barrel Calorimeter at the 2004 Combined Test Beam
  • 2011
  • Ingår i: Journal of Instrumentation. - 1748-0221. ; 6
  • Tidskriftsartikel (refereegranskat)abstract
    • The reconstruction of photons in the ATLAS detector is studied with data taken during the 2004 Combined Test Beam, where a full slice of the ATLAS detector was exposed to beams of particles of known energy at the CERN SPS. The results presented show significant differences in the longitudinal development of the electromagnetic shower between converted and unconverted photons as well as in the total measured energy. The potential to use the reconstructed converted photons as a means to precisely map the material of the tracker in front of the electromagnetic calorimeter is also considered. All results obtained are compared with a detailed Monte-Carlo simulation of the test-beam setup which is based on the same simulation and reconstruction tools as those used for the ATLAS detector itself.
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  • Resultat 1-10 av 16

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