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Revision 231 Aug 2010 - SimonGeorge

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High Level Trigger Software for ATLAS

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We are involved in the management of the Atlas Trigger, with leadership in the areas of software coordination and trigger algorithms. We have also represented the interests of several key physics groups in the menu coordination group. RHUL staff and students regularly play their part in operating the trigger, with expert roles and shifts in the Atlas Control Room.

The trigger software project has about ... lines of code, ... developers and we build ... releases per year. Trigger algorithms are produced though collaboration between trigger experts, reconstruction developers and physics analysis groups to give the optimum balance between technical performance (memory, cpu and network usage), the best rejection and least biased selection. This performance has to be validated before use and monitored once it is on-line. Students and staff from RHUL have been involved in all parts of this process, including recent work in electron/photon triggers.

 
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  • Academic staff: Dr. Tracey Berry, Dr. Veronique Boisvert, Dr. Antonella De Santo, Dr. Pedro Teixeira-Dias
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  • Academic staff: Dr. Tracey Berry, Dr. Veronique Boisvert, Dr. Pedro Teixeira-Dias
 
  • Engineer: Barry Green
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  • Research staff: Dr. Jasna Dragic, Dr. Simon George, Dr. Ricardo Goncalo, Dr. Teresa Fonseca Martin, Dr. Fabrizio Salvatore
  • Ph.D students: Muhammad Aftab Alam, Neil Cooper-Smith, Clive Edwards, Tina Potter, Clare Quarman, Matthew Tamsett
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  • Research staff: Dr. Simon George, Dr. Ricardo Goncalo, Dr. Andrzej Misiejuk
  • Ph.D students: Muhammad Aftab Alam, Neil Cooper-Smith, Clive Edwards, Matthew Tamsett, Daniel Hayden, Matthew Rose, Robert Cantrill, Timothy Brooks

 
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Revision 103 Apr 2008 - VeroniqueBoisvert

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High Level Trigger Software for ATLAS

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We lead the ATLAS High Level Trigger project for the development of the software suite for the physics event selection. Activity in this area has concentrated on the development of a control framework for the development and testing of trigger algorithms. We have been major contributors to the development of a new stand-alone software package ("PESASim") to emulate the trigger response and allow the fast and realistic determination of trigger efficiencies and background rates for the optimization of trigger event selections.

Current projects focus on release integration of HLT source code as well as development of analysis tools.

  • Academic staff: Dr. Tracey Berry, Dr. Veronique Boisvert, Dr. Antonella De Santo, Dr. Pedro Teixeira-Dias
  • Engineer: Barry Green
  • Research staff: Dr. Jasna Dragic, Dr. Simon George, Dr. Ricardo Goncalo, Dr. Teresa Fonseca Martin, Dr. Fabrizio Salvatore
  • Ph.D students: Muhammad Aftab Alam, Neil Cooper-Smith, Clive Edwards, Tina Potter, Clare Quarman, Matthew Tamsett

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