Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 94: Silicon Strip Detectors 2

T 94.5: Vortrag

Donnerstag, 24. März 2022, 17:15–17:30, T-H25

test beam analysis of a silicon-strip module for the CMS phase-II tracker upgrade — •Chun Cheng — DESY, Hamburg, Germany

The foreseen Large Hadron Collider upgrade is expected to deliver an integrated luminosity that is one order of magnitude larger after 2027. Rare processes and new phenomena may be observed in this high luminosity era. The Phase-II Outer Tracker upgrade of the CMS experiment is required to surmount higher radiation and increased event rate. Transverse momentum (PT ) discrimination is introduced in the design and will contribute to the Level-1 Trigger. A CMS 2S silicon strip module with PT discrimination concept was built by the DESY Outer Tracker group and has undergone a test beam experiment at the DESY test beam facility.

The talk will briefly summarize the assembly of the DESY 2S module, sensor studies and the data acquisition scheme during the beam test. The main focus will be on the results from recent test beam measurements. The analysis will be done based on corryvreckan framework, a modular concept of test beam reconstruction chain. Hit efficiency of the sensors under a bias scan, the performance over the large module area, and on-module PT discrimination functionality will be presented.