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Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC
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 Ev...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1109/TNS.2006.882049 http://cds.cern.ch/record/846438 |
| _version_ | 1780906861438959616 |
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| author | Gesualdi-Mello, A Anjos, A Armstrong, S Baines, J T M Bee, C P Biglietti, M Bogaerts, J A C Bosman, M Caron, B Casado, M P Cataldi, G Cavalli, D Comune, G Conde-Muíño, P Crone, G Damazio, D De Santo, A Díaz-Gómez, M Di Mattia, A Ellis, Nick Emeliyanov, D Epp, B Falciano, S Garitaonandia, H George, S Ghete, V Goncalo, R Haller, J Kabana, S Khomich, A Kilvington, G Kirkc, J Konstantinidis, N P Kootz, A Lankford, A J Lowe, A Luminari, L Maeno, T Masik, J Meessen, C Moore, R Morettini, P Negri, A Nikitin, N Nisati, A Osuna, C Padilla, C Panikashvili, N Parodi, F Pasqualucci, E Pérez-Réale, V Pinfold, J L Pinto, P Qian, Z Resconi, S Rosati, S Sánchez, C Santamarina-Rios, C Scannicchio, D A Schiavi, C Segura, E Seixas, J M Sivoklokov, S Yu Sobreira, A Soluk, R A Stefanidis, E Sushkov, S Sutton, M Tapprogge, S Tarem, S Thomas, E Touchard, F Usaib, G Venda-Pinto, B Ventura, A Vercesi, V Wengler, T Werner, P Wheeler, S J Wickens, F J Wiedenmann, W Wielers, M Zobernig, G |
| author_facet | Gesualdi-Mello, A Anjos, A Armstrong, S Baines, J T M Bee, C P Biglietti, M Bogaerts, J A C Bosman, M Caron, B Casado, M P Cataldi, G Cavalli, D Comune, G Conde-Muíño, P Crone, G Damazio, D De Santo, A Díaz-Gómez, M Di Mattia, A Ellis, Nick Emeliyanov, D Epp, B Falciano, S Garitaonandia, H George, S Ghete, V Goncalo, R Haller, J Kabana, S Khomich, A Kilvington, G Kirkc, J Konstantinidis, N P Kootz, A Lankford, A J Lowe, A Luminari, L Maeno, T Masik, J Meessen, C Moore, R Morettini, P Negri, A Nikitin, N Nisati, A Osuna, C Padilla, C Panikashvili, N Parodi, F Pasqualucci, E Pérez-Réale, V Pinfold, J L Pinto, P Qian, Z Resconi, S Rosati, S Sánchez, C Santamarina-Rios, C Scannicchio, D A Schiavi, C Segura, E Seixas, J M Sivoklokov, S Yu Sobreira, A Soluk, R A Stefanidis, E Sushkov, S Sutton, M Tapprogge, S Tarem, S Thomas, E Touchard, F Usaib, G Venda-Pinto, B Ventura, A Vercesi, V Wengler, T Werner, P Wheeler, S J Wickens, F J Wiedenmann, W Wielers, M Zobernig, G |
| author_sort | Gesualdi-Mello, A |
| collection | CERN |
| description | 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. |
| id | cern-846438 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2005 |
| record_format | invenio |
| spelling | cern-8464382019-09-30T06:29:59Zdoi:10.1109/TNS.2006.882049http://cds.cern.ch/record/846438engGesualdi-Mello, AAnjos, AArmstrong, SBaines, J T MBee, C PBiglietti, MBogaerts, J A CBosman, MCaron, BCasado, M PCataldi, GCavalli, DComune, GConde-Muíño, PCrone, GDamazio, DDe Santo, ADíaz-Gómez, MDi Mattia, AEllis, NickEmeliyanov, DEpp, BFalciano, SGaritaonandia, HGeorge, SGhete, VGoncalo, RHaller, JKabana, SKhomich, AKilvington, GKirkc, JKonstantinidis, N PKootz, ALankford, A JLowe, ALuminari, LMaeno, TMasik, JMeessen, CMoore, RMorettini, PNegri, ANikitin, NNisati, AOsuna, CPadilla, CPanikashvili, NParodi, FPasqualucci, EPérez-Réale, VPinfold, J LPinto, PQian, ZResconi, SRosati, SSánchez, CSantamarina-Rios, CScannicchio, D ASchiavi, CSegura, ESeixas, J MSivoklokov, S YuSobreira, ASoluk, R AStefanidis, ESushkov, SSutton, MTapprogge, STarem, SThomas, ETouchard, FUsaib, GVenda-Pinto, BVentura, AVercesi, VWengler, TWerner, PWheeler, S JWickens, F JWiedenmann, WWielers, MZobernig, GOverview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHCDetectors and Experimental TechniquesThe 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.ATL-DAQ-CONF-2006-011ATL-COM-DAQ-2005-024CERN-ATL-COM-DAQ-2005-024oai:cds.cern.ch:8464382005-06-28 |
| spellingShingle | Detectors and Experimental Techniques Gesualdi-Mello, A Anjos, A Armstrong, S Baines, J T M Bee, C P Biglietti, M Bogaerts, J A C Bosman, M Caron, B Casado, M P Cataldi, G Cavalli, D Comune, G Conde-Muíño, P Crone, G Damazio, D De Santo, A Díaz-Gómez, M Di Mattia, A Ellis, Nick Emeliyanov, D Epp, B Falciano, S Garitaonandia, H George, S Ghete, V Goncalo, R Haller, J Kabana, S Khomich, A Kilvington, G Kirkc, J Konstantinidis, N P Kootz, A Lankford, A J Lowe, A Luminari, L Maeno, T Masik, J Meessen, C Moore, R Morettini, P Negri, A Nikitin, N Nisati, A Osuna, C Padilla, C Panikashvili, N Parodi, F Pasqualucci, E Pérez-Réale, V Pinfold, J L Pinto, P Qian, Z Resconi, S Rosati, S Sánchez, C Santamarina-Rios, C Scannicchio, D A Schiavi, C Segura, E Seixas, J M Sivoklokov, S Yu Sobreira, A Soluk, R A Stefanidis, E Sushkov, S Sutton, M Tapprogge, S Tarem, S Thomas, E Touchard, F Usaib, G Venda-Pinto, B Ventura, A Vercesi, V Wengler, T Werner, P Wheeler, S J Wickens, F J Wiedenmann, W Wielers, M Zobernig, G Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title | Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title_full | Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title_fullStr | Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title_full_unstemmed | Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title_short | Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC |
| title_sort | overview of the high-level trigger electron and photon selection for the atlas experiment at the lhc |
| topic | Detectors and Experimental Techniques |
| url | https://dx.doi.org/10.1109/TNS.2006.882049 http://cds.cern.ch/record/846438 |
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