Alignment of the CMS tracker with LHC and cosmic ray data https://t.co/JIUqHi1OMo
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RT @freyablekman: Why is that important? Our precision on particle momentum measurement relies directly on being able to reconstruct the tr…
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Why is that important? Our precision on particle momentum measurement relies directly on being able to reconstruct the track of a charged particle as accurately as possible. So it affects identification of electrons, muons but also is important for missing
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#CMSpaper 329: tracker alignment. The central tracker of @CMSexperiment is the largest silicon particle detector ever built and can measure particle locations with accuracy of about 1/100 millimeter, but only if REALLY well known where detector parts are!