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GEANT4-based calibr...
GEANT4-based calibration of an organic liquid scintillator
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- Mauritzson, Nicholai (author)
- Lund 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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- Fissum, KG (author)
- Lund 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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- Perrey, Hanno (author)
- Lund 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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- Annand, John (author)
- University of Glasgow
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- Frost, Robert (author)
- Lund 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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- Hall-Wilton, Richard (author)
- European Spallation Source ESS AB,University of Glasgow,University of Milano-Bicocca
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- Jebali, R (author)
- University of Glasgow,European Spallation Source ERIC, Denmark
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- Kanaki, Kalliopi (author)
- European Spallation Source ESS AB
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- Maulerova-Subert, Vendula (author)
- European Spallation Source ESS ERIC,Lund University
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- Messi, Francesco (author)
- Lund 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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- Rofors, Emil (author)
- Lund 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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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- English 8 s.
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In: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. - : Elsevier BV. - 0168-9002. ; 1023
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http://dx.doi.org/10... (free)
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https://doi.org/10.1...
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Abstract
Subject headings
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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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
Keyword
- cintillation light-yield calibration
- Organic liquid scintillator
- NE 213A
- Gamma-rays
- Compton edge
- GEANT4
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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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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show more...
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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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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
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Nuclear Instrume ...
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Lund University