Implementation and Performance of the High-Level Trigger electron and photon selection for the ATLAS experiment at the LHC

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The ATLAS three-tier trigger system faces the challenge to reduce the incoming rate of 40 MHz to ∼ 200 Hz. It consists of hardware based Level-1, and a software based High-Level Trigger (HLT). In this paper an overview of the selection algorithms for electrons and photons will be given as well as...

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Detalles Bibliográficos
Autores principales: Anduaga, X, Baines, J, Benslama, K, Berry, T, Coura Torres, R, Damazio, D, De Santo, A, Dova, M, Emeliyanov, D, Enoque Ferreira de Lima, D, Flacher, H, Fonseca-Martin, T, Gaumer, O, Goncalo, R, Grabowska-Bold, I, Hrynóva, T, Khoriauli, G, Kilvington, G, Konstantinidis, N, Ledroit, F, Losada, M, Monticelli, F, Moreno, D, Padilla, C, Parodi, F, Pérez-Réale, V, Pinzon, G, Riu, I, Rodríguez, D, Rogriquez, Y, Santamarina, C, Schiavi, C, Seixas, J M, Sivoklokov, S, Sutton, M, Tripiana, M, Wang, M, Watson, A, Wielers, M, Woehrling, E, Wu, X, Ozcan, E
Lenguaje:eng
Publicado: 2007
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1142/9789812819093_0083
http://cds.cern.ch/record/1075492
Descripción
Sumario:The ATLAS three-tier trigger system faces the challenge to reduce the incoming rate of 40 MHz to ∼ 200 Hz. It consists of hardware based Level-1, and a software based High-Level Trigger (HLT). In this paper an overview of the selection algorithms for electrons and photons will be given as well as the expected performance. The electron and photon trigger menu and the strategy for the initial phase of LHC exploitation.

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