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Performance studies of the CMS Strip Tracker before installation
Veröffentlicht am 09.06.2009 in IOP Journal of Instrumentation JINST 4 P06009 (2009)

In March 2007 the assembly of the Silicon Strip Tracker was completed at the Tracker Integration Facility at CERN. Nearly 15% of the detector was instrumented using cables, fiber optics, power supplies, and electronics intended for the operation at the LHC. A local chiller was used to circulate the coolant for low temperature operation. In order to understand the efficiency and alignment of the strip tracker modules, a cosmic ray trigger was implemented. From March through July 4.5 million triggers were recorded. This period, referred to as the Sector Test, provided practical experience with the operation of the Tracker, especially safety, data acquisition, power, and cooling systems. This paper describes the performance of the strip system during the Sector Test, which consisted of five distinct periods defined by the coolant temperature. Significant emphasis is placed on comparisons between the data and results from Monte Carlo studies.

Autoren: Thomas Bergauer, Marko Dragicevic, Josef Hrubec, Markus Friedl, Wolfgang Adam, Stephan Hänsel, Manfred Krammer, Margit Oberegger, Manfred Pernicka, Siegfried Schmid, Roland Stark, Helmut Steininger, Dieter Uhl, Wolfgang Waltenberger, Edmund Widl, Rudolf Frühwirth

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Download: jinst9_06_p06009.pdf
Kategorie: Nicht- reviewtes Paper