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Elsevier, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1-2(533), p. 178-182

DOI: 10.1016/j.nima.2004.07.023

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Design aspects and prototype test of a very precise TDC system implemented for the Multigap RPC of the ALICE-TOF

Journal article published in 2004 by A. V. Akindinov, A. Alici, F. Anselmo, P. Antonioli, M. Basile, G. Cara Romeo, L. Cifarelli, F. Cindolo, F. Cosenza, I. D'Antone, A. De Caro, S. De Pasquale, A. Di Bartolomeo ORCID, M. Fusco Girard, V. Golovine and other authors.
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This paper is available in a repository.

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Abstract

The ALICE Time-of-Flight system will be a large area detector made by Multigap RPC (MRPC). The time digitisation is based on the High Performance TDC chip (HPTDC). Tests carried out on board prototypes are discussed, emphasising the optimisation of the effective time resolution of the chip when working in its Very High Resolution Mode. Lab bench tests and test beam results show that a 20 ps resolution has been achieved.