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Commissioning and performance of the CMS pixel tracker with cosmic ray muons

Abstract: The pixel detector of the Compact Muon Solenoid experiment consists of three barrel layers and two disks for each endcap. The detector was installed in summer 2008, commissioned with charge injections, and operated in the 3.8 T magnetic field during cosmic ray data taking. This paper reports on the first running experience and presents results on the pixel tracker performance, which are found to be in line with the design specifications of this detector. The transverse impact parameter resolution measured in a sample of high momentum muons is 18 microns.

Authorship: Chatrchyan S., Khachatryan V., Sirunyan A.M., Adam W., Arnold B., Bergauer H., Bergauer T., Dragicevic M., Eichberger M., Erö J., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hansel S., Hoch M., Hörmann N., Hrubec J., Jeitler M., Kasieczka G., Kastner K., Krammer M., Liko D., De Magrans Abril I., Mikulec I., Mittermayr F., Neuherz B., Oberegger M., Padrta M., Pernicka M., Rohringer H., Schmid S., Schöfbeck R., Schreiner T., S

Fuente: Journal of Instrumentation, 2010, 5, T03007

Publisher: Institute of Physics

Year of publication: 2010

No. of pages: 39

Publication type: Article

DOI: 10.1088/1748-0221/5/03/T03007

ISSN: 1748-0221

Publication Url: https://doi.org/10.1088/1748-0221/5/03/T03007

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