Elsevier, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 3(602), p. 687-690
DOI: 10.1016/j.nima.2008.12.090
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The upgraded HADES inner TOF Wall will cover a total area of 8 m2 with 1116 variable-geometry 4-gap, symmetric, timing RPCs, readout by 2232 time and charge channels. Each RPC is individually shielded for robust multi-hit performance and optimum use of the readout channels (crosstalk minimization). The double layer configuration provides a useful degree of redundancy for very accurate timing of a large fraction of all particles crossing the detector.In this paper we describe the concept of the detector, its inner structure and the multi-hit performance.