Mainz 2004 – scientific programme

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T: Teilchenphysik

T 601: Halbleiterdetektoren VII

T 601.7: Talk

Thursday, April 1, 2004, 12:10–12:25, RW 3

Charge Transfer Efficiency Studies of CCD Vertex Detectors in the LCFI Collaboration — •André Sopczak and James Walder — Lancaster University, UK

The Linear Collider Flavour Identification (LCFI) collaboration studies CCD detectors for quark flavour identification in the framework of a future linear e⁺e⁻ collider. The flavour identification is based on precision reconstruction of charged tracks very close to the interaction point. Therefore, this detector will be exposed to a high level of radiation and radiation hardness is an important aspect of the detector development. Results of detailed simulations of the charged transport properties of a CCD prototype chip are reported and compared with measurements. The simulation program allows to study the effect of radiation damage after the exposure of the detector to a realistic radiation dose, which is expected in the environment of detector operation at a future LC.