Journal Article

GSI-2024-01248

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The description of the steps of the Q&A test and detector module assembly of the CBM-STS

Keshelashvili, I. (Corresponding author)GSI* ; Simons, C.GSI* ; Bertini, O.GSI* ; Schuenemann, K.GSI* ; Suddia, O.GSI* ; Visinka, R.GSI* ; Schmidt, C. J.GSI* ; Herzenstiel, H. ; Leyrer, B. ; Blank, T.

2024
North-Holland Publ. Co. Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.nima.2024.170081  doi:10.15120/GSI-2024-01248

Abstract: The Silicon Tracking System (STS) is the core detector system of the Compressed Baryonic Matter (CBM)experiment at FAIR (Facility for Antiproton and Ion Research). The CBM will study matter at the highestbaryonic densities in collisions of nuclear beams with a stationary target. The expected long latency foridentification and the changing signature of the events drive us to use self-triggered streaming readout. TheCBM data collection will be based on time-stamped detector data into a compute farm. Event reconstructionand physics analysis are performed online at up to 10 MHz collision rates. In the presented work, we willdiscuss step-by-step how the CBM-STS detector components are rigorously selected and prepared for assembly.It starts with carefully testing the readout ASICs. The various parameters are recorded to select the chip. Thenext step is to test the micro cable’s TAB (Tape Automated Bonding) bonding quality on the ASIC. Later, the16-chip cables are bonded to the silicon strip sensor. All test results are stored and available for later usein a specially designed database using custom software applied to each step in the assembly process. Afterassembly of 1/3 of the modules (896), we will overview the acquired experience.

Note: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)"Received 9 July 2024, Revised 12 November 2024, Accepted 13 November 2024, Available online 17 November 2024, Version of Record 26 November 2024."

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Contributing Institute(s):

1. Detektorlabor (DTL)
2. Collaboration FAIR: CBM (CBM@FAIR)

Research Program(s):

1. 622 - Detector Technologies and Systems (POF4-622) (POF4-622)
2. DFG project G:(GEPRIS)491382106 - Open-Access-Publikationskosten / 2025-2027 / GSI Helmholtzzentrum für Schwerionenforschung (491382106) (491382106)

Experiment(s):

1. no experiment theory work (theory)

Appears in the scientific report 2024

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