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ATLAS ITk Pixel endcap demonstrator construction and testing

Dec 17, 2019, 10:00 AM
20m
Sun: B1F-Meeting rooms#4-6; Mon-Wed: B2F-RAN (International Conference Center Hiroshima)

Sun: B1F-Meeting rooms#4-6; Mon-Wed: B2F-RAN

International Conference Center Hiroshima

Peace Memorial Park, Hiroshima-shi
ORAL Large scale applications Session7

Speaker

John Matheson (Science and Technology Facilities Council STFC (GB))

Description

The ATLAS upgrade programme for the high-luminosity large hadron collider (HL-LHC) includes the replacement of the inner tracking detector with an all-silicon system. The outer layers of the new tracker consist of strip sensors and the inner region is made up of pixel sensors. This paper describes the development of the endcaps for the pixel system. The endcaps are built from half-rings carrying the pixel modules and the services. A prototype half-ring populated with pixel modules read out using FEI4 front-end ASICS in serial powering chains was constructed. The half-ring mechanical and electrical structure and the assembly process will be described. The electrical measurements of the modules will be presented, focusing on their performance in the serial powering chain.

Submission declaration Original and unpublished

Primary authors

Jens Weingarten (Technische Universitaet Dortmund (DE)) Craig Buttar (University of Glasgow (GB)) John Matheson (Science and Technology Facilities Council STFC (GB))

Presentation materials