Irradiation study using QA test pieces of ATLAS18 ITk strip sensors with 80 MeV protons

The ATLAS experiment is planning a complete replacement of its inner detector (ID) with a new all-silicon inner tracker (ITk) for the ATLAS Phase-2 upgrade. The ATLAS18 silicon strip sensors are designed to operate up to the integrated luminosity of 4000 fb<sup>−1</sup>, which correspond...

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Detalles Bibliográficos
Autores: Huang, Y., Li, H., Cai, M., Chisholm, A. S., Cindro, V., Crick, B., Deng, H., Fadeyev, V., Hirose, S., Jiang, B., Jing, H., Liu, H., Liu, P., Liu, Y., Lu, W., Mandić, I., Orr, R. S., Shi, X., Tan, Z., Ullán Comes, Miguel, Unno, Y., Wang, S., Xu, Z.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:dnet:digitalcsic_::ca1d84b86cfca904574caee84667a6a1
Acceso en línea:http://hdl.handle.net/10261/430299
https://api.elsevier.com/content/abstract/scopus_id/105008227618
Access Level:acceso abierto
Palabra clave:ATLAS ITk
China Spallation Neutron Source
Silicon strip sensors
http://metadata.un.org/sdg/9
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Descripción
Sumario:The ATLAS experiment is planning a complete replacement of its inner detector (ID) with a new all-silicon inner tracker (ITk) for the ATLAS Phase-2 upgrade. The ATLAS18 silicon strip sensors are designed to operate up to the integrated luminosity of 4000 fb<sup>−1</sup>, which corresponds to the maximum fluence of 1.6×10<sup>15</sup>n<inf>eq</inf>/cm<sup>2</sup> (including safety factor). To enhance the quality assurance (QA) program to monitor the key properties of the sensors, the strip sensor community is considering to include China Spallation Neutron Source (CSNS) as a proton irradiation site and Institute of High Energy Physics (IHEP) as a QA test site. A total of 18 ATLAS18 ITk QA test pieces were irradiated with 6.0×10<sup>14</sup>, 1.6×10<sup>15</sup>, and 2.6×10<sup>15</sup>n<inf>eq</inf>/cm<sup>2</sup> protons at CSNS, and measured at IHEP, including IV (leakage current–voltage), CV (capacitance–voltage) and CCE (charge collection efficiency) measurements. The upgraded irradiation setup at CSNS and measurement setup at IHEP are shown in this paper. Irradiated samples were exchanged between IHEP, Ljubljana and Birmingham to cross-check CCE measurements.

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