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Träfflista för sökning "WFRF:(Föhlisch A.) srt2:(2010-2014)"

Sökning: WFRF:(Föhlisch A.) > (2010-2014)

  • Resultat 1-4 av 4
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1.
  • Aad, G., et al. (författare)
  • 2011
  • Tidskriftsartikel (refereegranskat)
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2.
  • Åsman, Barbro, et al. (författare)
  • The ATLAS Level-1 Calorimeter Trigger : PreProcessor implementation and performance
  • 2012
  • Ingår i: Journal of Instrumentation. - 1748-0221 .- 1748-0221. ; 7
  • Tidskriftsartikel (refereegranskat)abstract
    • The PreProcessor system of the ATLAS Level-1 Calorimeter Trigger (L1Calo) receives about 7200 analogue signals from the electromagnetic and hadronic components of the calorimetric detector system. Lateral division results in cells which are pre-summed to so-called Trigger Towers of size 0.1 x 0.1 along azimuth (phi) and pseudorapidity (eta). The received calorimeter signals represent deposits of transverse energy. The system consists of 124 individual PreProcessor modules that digitise the input signals for each LHC collision, and provide energy and timing information to the digital processors of the L1Calo system, which identify physics objects forming much of the basis for the full ATLAS first level trigger decision. This paper describes the architecture of the PreProcessor, its hardware realisation, functionality, and performance.
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3.
  • Pietzsch, Annette, et al. (författare)
  • Spatial Quantum Beats in Vibrational Resonant Inelastic Soft X-Ray Scattering at Dissociating States in Oxygen
  • 2011
  • Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 106, s. 153004-153008
  • Tidskriftsartikel (refereegranskat)abstract
    • Resonant inelastic soft x-ray scattering (RIXS) spectra excited at the 1σg→3σu resonance in gas-phase O2 show excitations due to the nuclear degrees of freedom with up to 35 well-resolved discrete vibronic states and a continuum due to the kinetic energy distribution of the separated atoms. The RIXS profile demonstrates spatial quantum beats caused by two interfering wave packets with different momenta as the atoms separate. Thomson scattering strongly affects both the spectral profile and the scattering anisotropy.
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4.
  • Sun, Yuping, et al. (författare)
  • Intramolecular soft modes and intermolecular interactions in liquid acetone
  • 2011
  • Ingår i: Physical Review B Condensed Matter. - 0163-1829 .- 1095-3795. ; 84:13
  • Tidskriftsartikel (refereegranskat)abstract
    • Resonant inelastic x-ray scattering spectra excited at the O1s−1π* resonance of liquid acetone are presented. Scattering to the electronic ground state shows a resolved vibrational progression where the dominant contribution is due to the C-O stretching mode, thus demonstrating a unique sensitivity of the method to the local potential energy surface in complex molecular systems. For scattering to electronically excited states, soft vibrational modes and, to a smaller extent, intermolecular interactions give a broadening, which blurs the vibrational fine structure. It is predicted that environmental broadening is dominant in aqueous acetone.
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  • Resultat 1-4 av 4

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