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GEANT4-based calibr...
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Mauritzson, NicholaiLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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GEANT4-based calibration of an organic liquid scintillator
- Artikel/kapitelEngelska2022
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LIBRIS-ID:oai:lup.lub.lu.se:ce77afc5-0a47-4354-a7c2-942162c8c8d9
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https://lup.lub.lu.se/record/ce77afc5-0a47-4354-a7c2-942162c8c8d9URI
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https://doi.org/10.1016/j.nima.2021.165962DOI
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Språk:engelska
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Sammanfattning på:engelska
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A light-yield calibration of an NE 213A organic liquid scintillator detector has been performed using bothmonoenergetic and polyenergetic gamma-ray sources. Scintillation light was detected in a photomultipliertube, and the corresponding pulses were subjected to waveform digitization on an event-by-event basis. Theresulting Compton edges have been analyzed using a GEANT4 simulation of the detector which models boththe interactions of the ionizing radiation as well as the transport of scintillation photons. The simulation is calibrated and also compared to well-established prescriptions used to determine the Compton edges,resulting ultimately in light-yield calibration functions. In the process, the simulation-based method produced information on the gain and intrinsic pulse-height resolution of the detector. It also facilitated a previously inaccessible understanding of the systematic uncertainties associated with the calibration of the scintillation-light yield. The simulation-based method was also compared to well-established numerical prescriptions for locating the Compton edges. Ultimately, the simulation predicted as much as 17% lower light-yield calibrations than the prescriptions. These calibrations indicate that approximately 35% of the scintillation light associated with a given gamma-ray reaches the photocathode. It is remarkable how well two 50 year old prescriptions for calibrating scintillation-light yield in organic scintillators have stood the test of time.
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Fissum, KGLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)nucl-kfi
(författare)
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Perrey, HannoLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)nucl-hnp
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Annand, JohnUniversity of Glasgow(Swepub:lu)jo8573an
(författare)
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Frost, RobertLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)ro2216fr
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Hall-Wilton, RichardEuropean Spallation Source ESS AB,University of Glasgow,University of Milano-Bicocca(Swepub:lu)esss-rhl
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Jebali, RUniversity of Glasgow,European Spallation Source ERIC, Denmark
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Kanaki, KalliopiEuropean Spallation Source ESS AB(Swepub:lu)esss-klk
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Maulerova-Subert, VendulaEuropean Spallation Source ESS ERIC,Lund University
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Messi, FrancescoLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fr2420me
(författare)
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Rofors, EmilLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)em5186ro
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KärnfysikFysiska institutionen
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Ingår i:Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment: Elsevier BV10230168-9002
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Mauritzson, Nich ...
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Fissum, KG
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Perrey, Hanno
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Annand, John
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Frost, Robert
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Hall-Wilton, Ric ...
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Jebali, R
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Kanaki, Kalliopi
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Maulerova-Subert ...
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Messi, Francesco
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Rofors, Emil
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