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Object Oriented simulation of the L1 trigger system of a CMS muon chamber

Claudio Grandi1, Annalina Vitelli2
  1. University of Bologna and CERN
  2. University of Torino

Speaker: Claudio Grandi

  The level 1 trigger system of the CMS experiment will be implemented using ad hoc designed hardware. It is essential to have a detailed simulation of the system in order to effectively define data analysis strategies. Object Oriented technology is well suited to reproduce the behaviour of and the relations among the different electronic devices. We present the design of the code which simulates the behaviour of the level 1 trigger system of a CMS muon chamber. The code is fully integrated with the ORCA (Object-oriented Reconstruction for CMS Analysis) program. On demand reconstruction is widely used in order to optimize CPU and memory usage, and to provide an user-friendly interface. Persistency in an Objectivity database is introduced in order to save the products of the most CPU consuming processes. A comparison with data recorded using a prototype of a muon chamber layer equipped with a trigger card during 1999 summer test beam is also presented.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 

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