Fast-timing Capabilities of Silicon Sensors for the CMS High-Granularity Calorimeter at the High-Luminosity LHC

Research output: Contribution to journalConference article

Abstract

We report on the signal timing capabilities of thin silicon sensors when traversed by multiple simultaneous minimum ionizing particles (MIP). Three different planar sensors, 133, 211, and 285 μm thick in depletion thickness, have been exposed to high energy muons and electrons at CERN. We describe signal shape and timing resolution measurements as well as the response of these devices as a function of the multiplicity of MIPs. We compare these measurements to simulations where possible. We achieve better than 20 ps timing resolution for signals larger than a few tens of MIPs.

Original languageEnglish
Article number012028
JournalJournal of Physics: Conference Series
Volume928
Issue number1
DOIs
StatePublished - Nov 27 2017
Event17th International Conference on Calorimetry in Particle Physics, CALOR 2016 - Daegu, Korea, Republic of
Duration: May 15 2016May 20 2016

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