Tests of silicon sensors for the CMS pixel detector
A. Dorokhov, C. Amsler, D. Bortoletto, V. Chiochia, L. Cremaldi, S. Cucciarelli, M. Konecki, K. Prokofiev, C. Regenfus, T. Rohe, D. Sanders, S. Son, T. Speer, M. Swartz
Abstract
The tracking system of the CMS experiment, currently under construction at the Large Hadron Collider (LHC) at CERN (Geneva, Switzerland), will include a silicon pixel detector providing three spacial measurements in its final configuration for tracks produced in high energy pp collisions. In this paper we present the results of test beam measurements performed at CERN on irradiated silicon pixel sensors. Lorentz angle and charge collection efficiency were measured for two sensor designs and at various bias voltages.
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