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Sökning: onr:"swepub:oai:lup.lub.lu.se:ce77afc5-0a47-4354-a7c2-942162c8c8d9" > GEANT4-based calibr...

  • 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 (författare)

GEANT4-based calibration of an organic liquid scintillator

  • Artikel/kapitelEngelska2022

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2022
  • 8 s.

Nummerbeteckningar

  • LIBRIS-ID:oai:lup.lub.lu.se:ce77afc5-0a47-4354-a7c2-942162c8c8d9
  • https://lup.lub.lu.se/record/ce77afc5-0a47-4354-a7c2-942162c8c8d9URI
  • https://doi.org/10.1016/j.nima.2021.165962DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:art swepub-publicationtype
  • Ämneskategori:ref swepub-contenttype

Anmärkningar

  • 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.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • 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)
  • 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 (författare)
  • Annand, JohnUniversity of Glasgow(Swepub:lu)jo8573an (författare)
  • 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 (författare)
  • Hall-Wilton, RichardEuropean Spallation Source ESS AB,University of Glasgow,University of Milano-Bicocca(Swepub:lu)esss-rhl (författare)
  • Jebali, RUniversity of Glasgow,European Spallation Source ERIC, Denmark (författare)
  • Kanaki, KalliopiEuropean Spallation Source ESS AB(Swepub:lu)esss-klk (författare)
  • Maulerova-Subert, VendulaEuropean Spallation Source ESS ERIC,Lund University (författare)
  • 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)
  • 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 (författare)
  • KärnfysikFysiska institutionen (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment: Elsevier BV10230168-9002

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