Quartic: An Ultra-fast Time-of-flight Counter

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Title: Quartic: An Ultra-fast Time-of-flight Counter
Author: Duarte, Pedro Miguel
Abstract: Fast time -of -flight counters are planned to dramatically decrease backgrounds to events with a massive central system and forward /backward protons at the LHC . By using timing to confirm that the protons originated from the same vertex as the central system . QUARTIC's design uses an array of fused silica (quartz -like ) bars aligned at an angle with respect to the beam . The protons pass through the bars and emit Cherenkov photons which are detected by a micro -channel plate photomultiplier tube at the end of the bars . In this work I present the results of the first stage of R &D efforts for the QUARTIC detector . Preliminary studies and results of simulations of several detector geometries are summarized . The experimental tools and analysis framework developed to allow testing of the first two prototypes in the Meson Test Beam Facility at Fermilab are described .
URI: http : / /hdl .handle .net /10106 /575
Date: 2007-09-17

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Quartic: An Ultra-fast Time-of-flight Counter. Available electronically from http : / /hdl .handle .net /10106 /575 .

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