Measurements of sensor radiation damage in the ATLAS inner detector using leakage currents

dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D.C.
dc.contributor.authorAbed Abud, A.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbhayasinghe, D.K.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAbouzeid, O.S.
dc.contributor.authorAbraham, N.L.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbulaiti, Y.
dc.contributor.authorAcharya, B.S.
dc.contributor.authorAchkar, B.
dc.contributor.authorAdam, L.
dc.contributor.authorAdam Bourdarios, C.
dc.contributor.authorAdamczyk, L.
dc.contributor.authorAdamek, L.
dc.contributor.authorAdelman, J.
dc.contributor.authorAdersberger, M.
dc.contributor.authoret al.
dc.date.issued2021
dc.description.abstractNon-ionizing energy loss causes bulk damage to the silicon sensors of the ATLAS pixel and strip detectors. This damage has important implications for data-taking operations, charged-particle track reconstruction, detector simulations, and physics analysis. This paper presents simulations and measurements of the leakage current in the ATLAS pixel detector and semiconductor tracker as a function of location in the detector and time, using data collected in Run 1 (2010–2012) and Run 2 (2015–2018) of the Large Hadron Collider. The extracted fluence shows a much stronger |z|-dependence in the innermost layers than is seen in simulation. Furthermore, the overall fluence on the second innermost layer is significantly higher than in simulation, with better agreement in layers at higher radii. These measurements are important for validating the simulation models and can be used in part to justify safety factors for future detector designs and interventions.
dc.description.statementofresponsibilityG. Aad … D. Duvnjak … P. Jackson … A.X.Y. Kong … J.L. Oliver … H. Potti … T.A. Ruggeri … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]
dc.identifier.citationJournal of Instrumentation, 2021; 16(8):P08025-[i]-P08025-44
dc.identifier.doi10.1088/1748-0221/16/08/P08025
dc.identifier.issn1748-0221
dc.identifier.issn1748-0221
dc.identifier.orcidPotti, H. [0000-0002-0800-9902]
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]
dc.identifier.orcidWhite, M.J. [0000-0001-5474-4580]
dc.identifier.orcidKong, A.X.Y. [0000-0001-8063-8765]
dc.identifier.orcidRuggeri, T.A. [0000-0001-9941-1966]
dc.identifier.urihttps://hdl.handle.net/2440/133631
dc.language.isoen
dc.publisherIOP Publishing
dc.relation.grantARC
dc.rights© 2021 CERN for the benefit of the ATLAS collaboration. Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.source.urihttps://doi.org/10.1088/1748-0221/16/08/p08025
dc.subjectRadiation damage to detector materials (solid state); detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc)
dc.titleMeasurements of sensor radiation damage in the ATLAS inner detector using leakage currents
dc.typeJournal article
pubs.publication-statusPublished

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