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Overview of the high-level trigger electron and photon selection for the ATLAS experiment at the LHC

  • A. Gesualdi Mello
  • , A. Dos Anjos
  • , S. Armstrong
  • , J. T.M. Baines
  • , C. P. Bee
  • , M. Biglietti
  • , J. A. Bogaerts
  • , M. Bosman
  • , B. Caron
  • , P. Casado
  • , G. Cataldi
  • , D. Cavalli
  • , G. Comune
  • , P. Conde Muiño
  • , G. Crone
  • , D. Damazio
  • , A. De Santo
  • , M. Diaz Gomez
  • , A. Di Mattia
  • , N. Ellis
  • D. Emeliyanov, B. Epp, S. Falciano, H. Garitaonandia, S. George, V. Ghete, R. Goncalo, J. Haller, S. Kabana, A. Khomich, G. Kilvington, J. Kirk, N. Konstantinidis, A. Kootz, A. J. Lankford, A. Lowe, L. Luminari, T. Maeno, J. Masik, C. Meessen, R. Moore, P. Morettini, A. Negri, N. Nikitin, A. Nisati, C. Osuna, C. Padilla, N. Panikashvili, F. Parodi, E. Pasqualucci, V. Perez Reale, J. L. Pinfold, P. Pinto, Z. Qian, S. Resconi, S. Rosati, C. Sanchez, C. Santamarina, D. A. Scannicchio, C. Schiavi, E. Segura, J. M. De Seixas, S. Sivoklokov, A. Sobreira, R. Soluk, E. Stefanidis, S. Sushkov, M. Sutton, S. Tapprogge, S. Tarem, E. Thomas, F. Touchard, G. Usaib, B. Venda Pinto, A. Ventura, V. Vercesi, T. Wengler, P. Werner, S. J. Wheeler, F. J. Wickens, W. Wiedenmann, M. Wielers, G. Zobernig
  • Universidade Federal do Rio de Janeiro
  • University of Wisconsin-Madison
  • Brookhaven National Laboratory
  • Rutherford Appleton Laboratory
  • Aix-Marseille Université and CNRS/IN2P3
  • University of Naples Federico II
  • CERN
  • Institute for High Energy Physics
  • University of Alberta
  • University of Salento
  • University of Milan
  • Michigan State University
  • University College London
  • Royal Holloway University of London
  • University of Geneva
  • University of Rome La Sapienza
  • University of Innsbruck
  • University of Bern
  • University of Mannheim
  • University of Wuppertal
  • University of California at Irvine
  • Czech Academy of Sciences
  • University of Genoa
  • University of Pavia
  • Lomonosov Moscow State University
  • Technion-Israel Institute of Technology
  • Johannes Gutenberg University Mainz
  • University of Pisa
  • University of Lisbon

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3 Citas (Scopus)

Resumen

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center-of-mass energy, whilst rejecting the enormous number of background events. The High-Level Trigger (HLT = second level trigger and Event Filter), which is a software based trigger will need to reduce the level-1 output rate of ≈75 kHz to ≈200 Hz written out to mass storage. In this talk an overview of the current physics and system performance of the HLT selection for electrons and photons is given. The performance has been evaluated using Monte Carlo simulations and has been partly demonstrated in the ATLAS testbeam in 2004. The efficiency for the signal channels, the rate expected for the selection, the global data preparation and execution times will be highlighted. Furthermore, some physics examples will be discussed to demonstrate that the triggers are well adapted for the physics programme envisaged at the LHC.

Idioma originalInglés
Número de artículo1710282
Páginas (desde-hasta)2839-2843
Número de páginas5
PublicaciónIEEE Transactions on Nuclear Science
Volumen53
N.º5
DOI
EstadoPublicada - oct 2006
Publicado de forma externa

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