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标题：Performance of the HADES-TOF RPC wall in a Au-Au beam
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作者：A. BLANCO CASTRO ; P. Fonte ; L. LOPES 等
期刊名称：PoS - Proceedings of Science
印刷版ISSN：1824-8039
出版年度：2012
卷号：2012
出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：In this work we present results concerning in beam operation of the new Resistive Plate Chamber (RPC) Time of Flight (TOF) wall for the High-Acceptance DiElectron Spectrometer (HADES) spectrometer at GSI. The new RPC-TOF wall, fully integrated in the spectrometer, has been successfully operated under final conditions corresponding to collision of Au + AU @ 1.25 GeV. Results confirm an uniform average time response below 80 ps s along with an average longitudinal position resolution better than 12 mm s . The multihit capability of the system has also been investigated showing a slight degradation of time resolution when particles hit the detector at neighbouring cells, which demonstrates the multihit capability of the concept (individually electrically shielded RPCs).