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SUMMARY:Track-based alignment of the CMS Muon System
DTSTART;VALUE=DATE-TIME:20140225T101500Z
DTEND;VALUE=DATE-TIME:20140225T104500Z
DTSTAMP;VALUE=DATE-TIME:20260310T092114Z
UID:indico-contribution-28@indico.inp.nsk.su
DESCRIPTION:Speakers: Yuriy Pakhotin (Texas A and M University)\nThe muon 
 system of the CMS experiment provides fast muon trigger decisions\, muon i
 dentifications\, and muon trajectory measurements. The CMS muon system con
 sists of drift tube chambers in central part and cathode strip chambers in
  forward parts complimented by trigger system consisting of resistive plat
 e chambers distributed in both regions. The performance of the muon system
  depends on a precise knowledge of the positions and orientations of all i
 ts elements within the CMS detector. We present track-based alignment tech
 nique which uses muon tracks reconstructed in pp collision data at the LHC
  to align the muon system elements with respect to the inner silicon track
 er. Iterative algorithm for the track-based alignment has been designed an
 d implemented in the CMS software framework. We discuss details of the alg
 orithm\, results of the several years of CMS operation\, methods utilized 
 to evaluate the systematic uncertainties of the alignment parameters\, ach
 ieved precision of the algorithm and improved muon momentum resolution. We
  also present plans for upgrade and future development.\n\nhttps://indico.
 inp.nsk.su/event/0/contributions/28/
LOCATION:
URL:https://indico.inp.nsk.su/event/0/contributions/28/
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