CMS tracking performance results from early LHC operation The CMS Collaboration, V. Khachatryan, A.M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, C. Fabjan, M. Friedl et al. (2080 more) Eur. Phys. J. C, 70 4 (2010) 1165-1192 Published online: 24 November 2010 DOI: 10.1140/epjc/s10052-010-1491-3