Analysis of the results from Quality Control tests performed on ATLAS18 Strip Sensors during on-going production

The ATLAS experiment will replace its existing Inner Detector with the new all-silicon Inner Tracker (ITk) to cope with the operating conditions of the forthcoming high-luminosity phase of the LHC (HL-LHC). The outer regions of the ITk will be instrumented with ∼18000 ATLAS18 strip sensors fabricate...

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Detalhes bibliográficos
Autores: Miyagawa, P. S., Affolder, A., Affolder, K., Beaupre, S., Beck, G. A., Bernabeu, P., Bevan, A. J., Chen, Z., Dawson, I., Deshmukh, A., Dowling, A., Duvnjak, D., Fadeyev, V., Federičová, P., Fernández-Tejero, Javier, Fournier, A., Gonzalez, N., Hara, K., Hill, E. C., Hirose, S., Hommels, B., Ishii, T., Ivison, T., Jessiman, C., Jirásek, R., Klein, C. T., Kang, N., Kariyapperuma, K., Keller, J., Koffas, T., Kozáková, J., Kroll, J., Kůtová, M., Kvasnička, J., Lacasta, C., Latoňová, V., Manson, S., Martinez-Mckinney, F., Mikeštíková, M., Nakamura, K., Osieja, J., O'Toole, S., Paddock, Q., Poley, L., Sato, K., Slavíková, E. A., Solaz, C., Soldevila, U., Staats, E., Stelzer, B., Tůma, P., Ullan, M., Unno, Y., Westbrook, C., Zenz, S. C.
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2024
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/395493
Acesso em linha:http://hdl.handle.net/10261/395493
https://api.elsevier.com/content/abstract/scopus_id/85194369435
Access Level:Acceso aberto
Palavra-chave:ATLAS | HL-LHC | ITk | Strip sensors
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Descrição
Resumo:The ATLAS experiment will replace its existing Inner Detector with the new all-silicon Inner Tracker (ITk) to cope with the operating conditions of the forthcoming high-luminosity phase of the LHC (HL-LHC). The outer regions of the ITk will be instrumented with ∼18000 ATLAS18 strip sensors fabricated by Hamamatsu Photonics K.K. (HPK). With the launch of full-scale sensor production in 2021, the ITk strip sensor community has undertaken quality control (QC) testing of these sensors to ensure compliance with mechanical and electrical specifications agreed with HPK. The testing is conducted at seven QC sites on each of the monthly deliveries of ∼500 sensors. This contribution will give an overview of the QC procedures and analysis; the tests most likely to determine pass/fail for a sensor are IV, long-term leakage current stability, full strip test and visual inspection. The contribution will then present trends in the results and properties following completion of ∼60% of production testing. It will also mention challenges overcome through collaborative efforts with HPK during the early phases of production. With less than 5% of sensors rejected by QC testing, the overall production quality has been very good.

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