An extreme thermal cycling reliability test of ATLAS ITk Strips barrel modules

• DOI: 10.48550/arxiv.2407.06370
• Publication Date: 2024-07-08
• Authors: A. Tishelman-Charny; A. A. Affolder; F. Capocasa; Emily Rose Duden; V. Fadeyev; M. Gignac; C. M. Helling; H. Herde; J. Johnson; D. Lynn; M. Morii; A. Mitra; L. Poley; G. Sciolla; S. A. Stucci; Punit Sharma; G. van Nieuwenhuizen; E. J. Wallin; Aiying Wang; S. Wonsak
• Keywords: Temperature cycling; STRIPS; Cycling

At the end of Run 3 Large Hadron Collider (LHC), accelerator complex will be upgraded to High-Luminosity LHC (HL-LHC) in order increase total amount data provided its experiments. To cope with increased rates data, radiation, and pileup, ATLAS detector undergo a substantial upgrade, including replacement Inner Detector future Tracker, called ITk. The ITk composed pixel strip sub-detectors, where strips portion 17,888 silicon modules. During HL-LHC running period, cooled warmed number times from about ${-35}^\circ$C room temperature as part operational cycle, warm-ups during yearly shutdowns. ensure Strips modules are functional after these expected changes, mechanically robust, each module must ten thermal cycles pass set electrical mechanical criteria before it is placed on local support structure. This paper describes cycling Quality Control (QC) procedure, results barrel pre-production phase (about 5% production volume). Additionally, assess headroom nominal QC procedure 10 don't begin failing soon after, four representative were thermally cycled 100 - this study also described.