GASTOF: Ultra-fast ToF forward detector for exclusive processes at the LHC
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GASTOF (Gas Time-of-Flight) detector is a Cherenkov detector proposed for very precise (10--20 ps) arrival time measurements of forward protons at some 420 m from the central detectors of CMS and ATLAS. Such an excellent time resolution will allow by z-by-timing technique for precise measurement of the z-coordinate of the event vertex in exclusive production at the LHC, when two colliding protons are scattered at very small angles. In the paper we present first GASTOF prototype, simulations of its performance as well as first tests using a cosmic muon telescope.
6 pages, 3 figures, presented at the conference ''Physics at LHC'', Krakow, June 2006
6 pages, 3 figures, presented at the conference ''Physics at LHC'', Krakow, June 2006