| ATLAS Note | |
| Report number | ATL-ITK-PROC-2023-002 |
| Title | ATLAS ITk Strip Sensor Quality Control and Review of ATLAS18 Pre-Production Sensor Results |
| Author(s) |
Klein, Christoph Thomas (Carleton University (CA)) (+) ; Affolder, Tony (University of California,Santa Cruz (US)) ; Affolder, Kirsten (University of California,Santa Cruz (US)) ; Beaupre, Scott Lee (Simon Fraser University (CA)) ; Beck, Graham (University of London (GB)) ; Bernabeu Verdu, Jose (Univ. of Valencia and CSIC (ES)) ; Bevan, Adrian (University of London (GB)) ; Dawson, Ian (University of London (GB)) ; Dowling, Andrew Jay ; Fadeyev, Vitaliy (University of California,Santa Cruz (US)) ; Federicova, Pavla (Czech Academy of Sciences (CZ)) ; Fernandez-Tejero, Xavi (Simon Fraser University (CA)) ; Fournier, Andrew Curtis (Simon Fraser University (CA)) ; Greig, Graham George (Simon Fraser University (CA)) ; Hara, Kazuhiko (University of Tsukuba (JP)) ; Hirose, Shigeki (University of Tsukuba (JP)) ; Hommels, Bart (University of Cambridge (GB)) ; Ishii, Tatsuya (High Energy Accelerator Research Organization (JP)) ; Jessiman, Callan (Carleton University (CA)) ; Kang, Nathan Jihoon ; Keller, John Stakely (Carleton University (CA)) ; Koffas, Thomas (Carleton University (CA)) ; Kroll, Jiri (Czech Academy of Sciences (CZ)) ; Kvasnicka, Jiri (Czech Academy of Sciences (CZ)) ; Lacasta Llacer, Carlos (Univ. of Valencia and CSIC (ES)) ; Latonova, Vera (Czech Academy of Sciences (CZ)) ; Martinez-Mc Kinney, Forest (University of California,Santa Cruz (US)) ; Mikestikova, Marcela (Czech Academy of Sciences (CZ)) ; Miyagawa, Paul (University of London (GB)) ; Nakamura, Koji (High Energy Accelerator Research Organization (JP)) ; Poley, Anne-Luise (Simon Fraser University (CA)) ; Saito, Kota ; Solaz Contell, Carles (Univ. of Valencia and CSIC (ES)) ; Soldevila Serrano, Urmila (Univ. of Valencia and CSIC (ES)) ; Staats, Ezekiel (Carleton University (CA)) ; Stack, Tynan Louis (Simon Fraser University (CA)) ; Stelzer, Bernd (SFU Simon Fraser University (CA)) ; Ullan, Miguel (Consejo Superior de Investigaciones Cientificas (CSIC) (ES)) ; Unno, Yoshinobu (High Energy Accelerator Research Organization (JP)) ; Zatocilova, Iveta (Albert Ludwigs Universitaet Freiburg (DE)) ; Zenz, Seth (University of London (GB)) |
| Corporate Author(s) | The ATLAS collaboration |
| Publication | 2023 |
| Imprint | 19 Jan 2023 |
| Number of pages | 8 |
| Subject category | Particle Physics - Experiment |
| Accelerator/Facility, Experiment | CERN LHC ; ATLAS |
| Abstract | With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk) to maintain tracking performance in a high-occupancy environment and to cope with the increase in the integrated radiation dose. Comprising an active area of $165\,\mathrm{m^2}$, the outer four layers in the barrel and six disks in the endcap region will host strip modules, built with single-sided micro-strip sensors and glued-on hybrids carrying the front-end electronics necessary for readout. The strip sensors are manufactured as n$^+$-in-p devices from high-resistivity silicon in 8 different shapes, from square in the barrel staves to a stereo annulus wedge-shape in the endcap discs, developed to withstand a total fluence of $1.6 \times 10^{15}\,\mathrm{n_{eq}/cm^2}$ and a total ionising dose of $66\,\mathrm{MRad}$. In 2020 the ITk Strip Sensors project has transitioned into the pre-production phase, where 5% of the production volume, a total of 1101 ATLAS18 wafers, was produced by Hamamatsu Photonics. Before being shipped out for module building, the ATLAS18 main sensors were tested at different institutes in the collaboration for mechanical and electrical compliance with technical specifications, the quality control (QC), while fabrication parameters were verified using test structures from the same wafers, the quality assurance (QA). The sensor QC evaluation program, test results and statistics, as well as experience gained from pre-production will be summarised in this contribution. |
Record created 2023-01-19, last modified 2023-01-19
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