Electronics and Trigger developments for the Diffractive Physics Proposal at 220 m from LHC-ATLAS - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Conference Papers Year : 2007

Electronics and Trigger developments for the Diffractive Physics Proposal at 220 m from LHC-ATLAS

Abstract

The instrumentation consists of two sets of Roman Pots installed respectively at 216 and 224m on both sides from the ATLAS IP to measure with precision the position (< 10 micrometers) and the timing (< 5ps) of the two back to back diffracted protons tracks. Each Roman Pot is equipped with several planes of Silicon strips detectors read out by a new version of the ATLAS Silicon tracker ABCD readout chip with a longer latency (6.4 microseconds) and fast OR outputs defining a track segment. Theses inputs are to be combined in time with the ATLAS level 1 trigger accept signal. In addition, these tracks are time filtered with a very fast timing detector (MCP-PMT) allowing to constraint further at the level 2 the position of the IP within a one millimetre precision., The description of the electronics and trigger system as well as the various technical issues associated with such challenging experiments (clocks, cabling,, time monitoring) will be presented.
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Dates and versions

in2p3-00187257 , version 1 (14-11-2007)

Identifiers

  • HAL Id : in2p3-00187257 , version 1

Cite

P. Le Dû, J.-F. Genat, O. Kepka, A. Kupco, C. Royon, et al.. Electronics and Trigger developments for the Diffractive Physics Proposal at 220 m from LHC-ATLAS. Topical Workshop on Electronics for Particle Physics (TWEPP-07), Sep 2007, Prague, Czech Republic. ⟨in2p3-00187257⟩
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