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SUMMARY:Electronic Calibration of the ATLAS LAr Calorimeter
DTSTART;VALUE=DATE-TIME:20090324T070000Z
DTEND;VALUE=DATE-TIME:20090324T072000Z
DTSTAMP;VALUE=DATE-TIME:20130524T223040Z
UID:indico-contribution-48@cern.ch
DESCRIPTION:Speakers: Dr. ALEKSA (FOR THE LAR CONFERENCE COMMITTEE)\, Mart
 in (CERN)\nThe Liquid Argon (LAr) calorimeter is a key detector component 
 in the ATLAS experiment at the LHC\, designed to provide precision measure
 ments of electrons\, photons\, jets and missing transverse energy.  A crit
 ical element in the precision measurement is the electronic calibration. \
 n\nThe LAr calorimeter has been installed in the ATLAS cavern and filled w
 ith liquid argon since 2006. The electronic calibration of the readout sys
 tem has been continuously exercised in the commissioning phase\, resulting
  a fully commissioned calorimeter with its readout and a small number of p
 roblematic channels. A total of only 0.02% of the read out channels are de
 ad beyond repair and 0.4% need special treatment for calibration. Througho
 ut the last two years\, a large amount of calibration data have been colle
 cted.   We present here the the LAr electronic calibration scheme\, large 
 scale acquisition and processing of the calibration data\, the measured st
 ability of the pedestal\, the pulse shape and the gain\, and the expected 
 calibration procedure for LHC running. Various problems observed and addre
 ssed during the commissioning phase will also be discussed.\n\nhttp://indi
 co.cern.ch/contributionDisplay.py?contribId=48&sessionId=28&confId=35523
LOCATION:Prague
URL:http://indico.cern.ch/contributionDisplay.py?contribId=48&sessionId=28
 &confId=35523
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