Detector response and performance of a 500 μm thick GaAs attached to Timepix3 in relativistic particle beams

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dc.contributor.authorBergmann, Benedikt, Ludwig
dc.contributor.authorAzzarello, Philipp
dc.contributor.authorBroulím, Pavel
dc.contributor.authorBurian, Petr
dc.contributor.authorMeduna, Lukáš
dc.contributor.authorPaniccia, Mercedes
dc.contributor.authorPerrina, Chiara
dc.contributor.authorPospíšil, Stanislav
dc.contributor.authorTlustos, Lukáš
dc.contributor.authorWu, X.
dc.date.accessioned2021-01-18T11:00:21Z
dc.date.available2021-01-18T11:00:21Z
dc.date.issued2020
dc.description.abstract-translatedThe performance and response of a Timepix3 detector with a 500 μm thick GaAs:Cr sensor layer was investigated in different radiation fields. The sensor resistivity was ρ 109 Ω cm. Fitting different modified Hecht functions, which take the small pixel effect into account, the mobility-lifetime products of μeτe = (0.773 ± 0.018) × 10-4 cm2V-1 and μeτe = (0.996 ± 0.056) × 10-4 cm2V-1 were determined. Hereby, the latter value is favored due to the better agreement of fit and data. In a measurement in a 40 GeV/c pion beam, the drift times and charge collection efficiencies were studied as a function of the interaction depth. We present the measured drift velocity as a function of the electric field strength and compare the determined dependence with a model. In a measurement in a mixed ion beam, we study the capability of the detector to separate different ion species. We show the detector response in the form of tracks and discuss heavy ion track features. © 2020 IOP Publishing Ltd and Sissa Medialab.en
dc.format14 s.cs
dc.format.mimetypeapplication/pdf
dc.identifier.citationBERGMANN, B. L., AZZARELLO, P., BROULÍM, P., BURIAN, P., MEDUNA, L., PANICCIA, M., PERRINA, C. H., POSPÍŠIL, S., TLUSTOS, L., WU, X. Detector response and performance of a 500 μm thick GaAs attached to Timepix3 in relativistic particle beams. Journal of Instrumentation, 2020, roč. 15, č. 3, s. 0-13. ISSN 1748-0221.cs
dc.identifier.document-number528039600013
dc.identifier.doi10.1088/1748-0221/15/03/C03013
dc.identifier.issn1748-0221
dc.identifier.obd43931198
dc.identifier.uri2-s2.0-85084192611
dc.identifier.urihttp://hdl.handle.net/11025/42487
dc.language.isoenen
dc.project.IDEF16_019/0000766/Inženýrské aplikace fyziky mikrosvětacs
dc.publisherInstitute of Physics Publishingen
dc.relation.ispartofseriesJournal of Instrumentationen
dc.rightsPlný text je přístupný v rámci univerzity přihlášeným uživatelům.cs
dc.rights© Institute of Physics Publishingen
dc.rights.accessrestrictedAccessen
dc.subject.translateddE/dx detectorsen
dc.subject.translatedmaterials for solid-state detectorsen
dc.subject.translatedparticle tracking detectorsen
dc.subject.translatedsolidstate detectorsen
dc.titleDetector response and performance of a 500 μm thick GaAs attached to Timepix3 in relativistic particle beamsen
dc.typečlánekcs
dc.typearticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen

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