CMS tracking performance results from early LHC operation
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Khachatryan2010_Article_CMSTrackingPerformanceResultsF.pdf
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Author(s) • • • • • • • • •
CMS Collaboration
Alver, Burak Han
Bauer, Gerry P
Bendavid, Joshua L.
Busza, Wit
Butz, Erik M.
Cali, Ivan Amos
D'Enterria, David
Everaerts, Pieter Bruno Bart
Gomez-Ceballos, Guillelmo
Date Issued
November 2010
Journal
European Physical Journal C: Particles and Fields
Publisher
Springer-Verlag
Citation
Khachatryan, V. et al. “CMS Tracking Performance Results from Early LHC Operation.” The European Physical Journal C 70, 4 (November 2010): 1165–1192 © 2010 CERN for the benefit of the CMS collaboration
Version
Final published version
Abstract
The first LHC pp collisions at centre-of-mass energies of 0.9 and 2.36 TeV were recorded by the CMS detector in December 2009. The trajectories of charged particles produced in the collisions were reconstructed using the all-silicon Tracker and their momenta were measured in the 3.8 T axial magnetic field. Results from the Tracker commissioning are presented including studies of timing, efficiency, signal-to-noise, resolution, and ionization energy. Reconstructed tracks are used to benchmark the performance in terms of track and vertex resolutions, reconstruction of decays, estimation of ionization energy loss, as well as identification of photon conversions, nuclear interactions, and heavy-flavour decays.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Creative Commons Attribution 4.0 International License
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1140/EPJC/S10052-010-1491-3