Recently, CMOS Monolithic Active Pixels Sensors have become strong candidates as pixel detectors to be used in high energy physics experiments. A very good spatial resolution and an excellent detection efficiency could be obtained with these detectors. Beside spatial resolution and detection efficiency, an important parameter to be investigated is the charge collection efficiency (CCE) as a function of the distance from the detector surface. In this paper a new approach to measure the CCE profile by means of ionizing particles is proposed.
A Grazing Angle Technique to Measure the Charge Collection Efficiency for CMOS Active Pixel Sensors
MEROLI, STEFANO;PASSERI, Daniele;PLACIDI, Pisana;
2011
Abstract
Recently, CMOS Monolithic Active Pixels Sensors have become strong candidates as pixel detectors to be used in high energy physics experiments. A very good spatial resolution and an excellent detection efficiency could be obtained with these detectors. Beside spatial resolution and detection efficiency, an important parameter to be investigated is the charge collection efficiency (CCE) as a function of the distance from the detector surface. In this paper a new approach to measure the CCE profile by means of ionizing particles is proposed.File in questo prodotto:
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