Author/Authors :
Blanco، نويسنده , , A. and Carolino، نويسنده , , Marcos N. and Correia، نويسنده , , C.M.B.A. and Ferreira Marques، نويسنده , , R. and Fonte، نويسنده , , C. Solcia and P. G. Gobbi، نويسنده , , A. and Gonzلlez-Dيaz، نويسنده , , D. and Lopes، نويسنده , , M.I. and Lopes، نويسنده , , L. and Macedo، نويسنده , , M.P. and Mangiarotti، نويسنده , , A. and Peskov، نويسنده , , V. and Policarpo، نويسنده , , A.، نويسنده ,
Abstract :
Timing RPCs are Resistive Plate Chambers made with glass and metal electrodes separated by precision spacers. Typical gas gaps are a few hundred micrometers wide. Such counters were introduced in 1999 and have since reached timing accuracies below 50 ps σ with efficiencies above 99 % for MIPs. Applications in high-energy physics have already taken place with several more under study.
ecent developments include the extension of the counting rate capability by over one order of magnitude, to 25 kHz/cm 2 , with time resolutions below 100 ps σ . A prototype RPC-based Positron Emission Tomograph yielded a reconstructed point-source resolution of 0.6 mm FWHM and a modified timing RPC design, featuring 50 μ m pitch anode strips, allowed to reach extremely good position resolution for hard X-rays in digital readout mode.
lytically solvable model has allowed us to clarify the basic factors influencing the time resolution.
