The semiconductor tracker (SCT) is one of the tracking systems for charged particles in the ATLAS detector. It consists of 4088 silicon strip sensor modules. During Run 2 (2015-2018) the Large Hadron Collider delivered an integrated luminosity of 156 fb−1 to the ATLAS experiment at a centre-of-mass proton-proton collision energy of 13 TeV. The instantaneous luminosity and pile-up conditions were far in excess of those assumed in the original design of the SCT detector. Due to improvements to the data acquisition system, the SCT operated stably throughout Run 2. It was available for 99.9% of the integrated luminosity and achieved a data-quality efficiency of 99.85%. Detailed studies have been made of the leakage current in SCT modules and the evolution of the full depletion voltage, which are used to study the impact of radiation damage to the modules.
Operation and performance of the ATLAS semiconductor tracker in LHC Run 2 / G. Aad, B.A.. - In: JOURNAL OF INSTRUMENTATION. - ISSN 1748-0221. - 17:1(2022 Jan 10), pp. P01013.1-P01013.56. [10.1088/1748-0221/17/01/P01013]
Operation and performance of the ATLAS semiconductor tracker in LHC Run 2
A. AndreazzaMembro del Collaboration Group
;E. BallabeneMembro del Collaboration Group
;A. CarboneMembro del Collaboration Group
;L. CarminatiMembro del Collaboration Group
;S. D'AuriaMembro del Collaboration Group
;L. Dell'AstaMembro del Collaboration Group
;M. FantiMembro del Collaboration Group
;M. LazzaroniMembro del Collaboration Group
;C. MeroniMembro del Collaboration Group
;D.P. MungoMembro del Collaboration Group
;A. MurroneMembro del Collaboration Group
;L. PeriniMembro del Collaboration Group
;F. RagusaMembro del Collaboration Group
;A. StabileMembro del Collaboration Group
;
2022
Abstract
The semiconductor tracker (SCT) is one of the tracking systems for charged particles in the ATLAS detector. It consists of 4088 silicon strip sensor modules. During Run 2 (2015-2018) the Large Hadron Collider delivered an integrated luminosity of 156 fb−1 to the ATLAS experiment at a centre-of-mass proton-proton collision energy of 13 TeV. The instantaneous luminosity and pile-up conditions were far in excess of those assumed in the original design of the SCT detector. Due to improvements to the data acquisition system, the SCT operated stably throughout Run 2. It was available for 99.9% of the integrated luminosity and achieved a data-quality efficiency of 99.85%. Detailed studies have been made of the leakage current in SCT modules and the evolution of the full depletion voltage, which are used to study the impact of radiation damage to the modules.| File | Dimensione | Formato | |
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