T979 (~10) Picosec timing: LBQ = L-bar Quartz Cherenkov radiator30mm and 40 mm bars, each 3mm x 3mm.Light up light guide bars to Hamamatsu SiPMs MPPC S10943.(Sergey Los)

p (120 GeV)

SiPMs

2 boxes like this, so 4-in-linebars at at time

2mm x 2mm trigger counter PMT240MCP, ref timeTwo L-Bar Quartic boxes

Beam, 120 GeV p

Beam deliberately through light guide bars

Scope traces (5 GHz, 200ps/pt)3 bars with PMT240 (bottom)2 ns/div & 20mV/div

Without clipping CapacitanceWith clipping CapacitanceRise times < 1 ns, good.

Successful runs, data being analysed. Await resolutions.