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The Pixel Luminosity Telescopes: a Dedicated Luminosity Monitor for CMS

Abstract: I will describe the Pixel Luminosity Telescopes (PLT) proposal for a dedicated luminosity monitor for CMS based on single-crystal diamond pixel telescopes. The PLT is comprised of an array of small-angle telescopes on each end of the CMS detector that point back to the collision point. Each telescope consists of three planes of single-crystal diamond pixel sensors bump-bonded to the CMS PSI46v2 pixel readout chip. The PLT is designed to measure the relative bunch-by-bunch luminosity in CMS to a precision of 1% on the time scale of a few seconds. I will present the simulated design performance capability of the PLT and describe its innovative use of single-crystal diamond sensors that provide the required radiation hardness and efficiency stability. I will also present the results of a test beam study of a prototype PLT telescope including occupancy, efficiencies, pulse height distributions and tracking
Speaker: Steve Schnetzer - Rutgers University
Speaker Bio: Steve Schnetzer is the senior member of the Rutgers High Energy Physics group and has been active in research in fundamental particle physics for over three decades. In the 1980ís, he was co-founder of an international collaboration that constructed a large collider experiment for the TRISTAN electron-positron collider in Japan. In the 1990ís, he worked on a major experiment at Fermilab studying matter-antimatter asymmetry. Twenty years ago, he proposed and pioneered the use of synthetic diamond as a radiation-hard particle detector. He currently works on the Compact Muon Solenoid experiment one of the large detector facilities being built for the Large Hadron Collider (LHC) at CERN. He is currently eagerly awaiting first physics from the LHC.
Poster Link: Poster