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Bonn 2020 – scientific programme

The DPG Spring Meeting in Bonn had to be cancelled! Read more ...

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T: Fachverband Teilchenphysik

T 20: DAQ, trigger and electronics I

T 20.4: Talk

Monday, March 30, 2020, 17:20–17:35, L-3.015

Status and plans of upgrade activities for the CMS DT system — •Dmitry Eliseev, Thomas Hebbeker, Archie Sharma, Markus Merschmeyer, and Jonas Roemer — III. Physikalisches Institut A, RWTH Aachen University

The Drift Tube (DT) system of the Compact Muon Solenoid (CMS) experiment consists of about 172 thousand oblong gas detector cells (DT cells). By design of the DT system multiple DT cells are grouped in separate DT chambers, located in the barrel region of CMS. One of the LHC's High-Luminosity upgrade activities is the replacement of the read-out chain of the DT chambers with a more advanced version. The upgraded DT read-out will provide a higher acquisition rate and flexible trigger settings for the DT system. The upgrade involves replacing particular components of the read-out chain, as well as an essential change in this chain's structure. This talk will present an overview of the new read-out chain structure and an overview of the design and operation of the involved components. Special focus will be given to the design of the On-Board DT (OBDT) electronic. Each OBDT board is situated directly on the DT chamber and handles the multiple outputs of the DT cells front-end circuitry. In this way the OBDTs provide the origin for the streams of the muon hit-data. The current upgrade status, functional tests, hard- and software verification tests of the new DT read-out will be discussed in the talk as well.

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