Abstract

We present our initial test beam measurements of a high resolution scintillating fibre (SCIFI) detector with charge coupled device (CCD) readout. We discuss the analysis procedure and evaluate the performance of the detector and its readout assembly. We find a detected photon density along minimum ionising tracks of 2.0 mm −1, with a straight-line rms residual of (19.3 ± 2.9) μm, giving rise to a track impact parameter precision of (8.8 ± 2.0) μm. The two-track resolution is found to be 52 μm.

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