Scintillator light yield measurements with waveform digitizers
Abstract
The proton light yield of organic scintillators has been measured extensively in recent years using fast waveform digitizers and large discrepancies exist in the values reported by different authors. In this letter, we address principles of digital signal processing that must be considered when conducting scintillator light yield measurements. Digitized waveform pulse height values are only proportional to the amount of scintillation light if the temporal shape of the scintillation pulse is independent of the amount of energy deposited. Finally, this is not the case for scintillation pulses resulting from fast neutron interactions in organic scintillators. Authors measuring proton light yield should therefore report pulse integral values and ensure that the integration length is long enough to capture most of the scintillation light.
- Authors:
-
- Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering
- Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Nuclear Science Division
- Publication Date:
- Research Org.:
- Univ. of California, Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- Contributing Org.:
- Nuclear Science and Security Consortium
- OSTI Identifier:
- 1606252
- Alternate Identifier(s):
- OSTI ID: 1597561
- Grant/Contract Number:
- NA0003180; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 959; Journal Issue: C; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Organic scintillator; Proton light yield; Neutron detection; Digital signal processing
Citation Formats
Laplace, T.A., Goldblum, B.L., Brown, J.A., and Manfredi, J. J. Scintillator light yield measurements with waveform digitizers. United States: N. p., 2020.
Web. doi:10.1016/j.nima.2020.163485.
Laplace, T.A., Goldblum, B.L., Brown, J.A., & Manfredi, J. J. Scintillator light yield measurements with waveform digitizers. United States. https://doi.org/10.1016/j.nima.2020.163485
Laplace, T.A., Goldblum, B.L., Brown, J.A., and Manfredi, J. J. Sat .
"Scintillator light yield measurements with waveform digitizers". United States. https://doi.org/10.1016/j.nima.2020.163485. https://www.osti.gov/servlets/purl/1606252.
@article{osti_1606252,
title = {Scintillator light yield measurements with waveform digitizers},
author = {Laplace, T.A. and Goldblum, B.L. and Brown, J.A. and Manfredi, J. J.},
abstractNote = {The proton light yield of organic scintillators has been measured extensively in recent years using fast waveform digitizers and large discrepancies exist in the values reported by different authors. In this letter, we address principles of digital signal processing that must be considered when conducting scintillator light yield measurements. Digitized waveform pulse height values are only proportional to the amount of scintillation light if the temporal shape of the scintillation pulse is independent of the amount of energy deposited. Finally, this is not the case for scintillation pulses resulting from fast neutron interactions in organic scintillators. Authors measuring proton light yield should therefore report pulse integral values and ensure that the integration length is long enough to capture most of the scintillation light.},
doi = {10.1016/j.nima.2020.163485},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 959,
place = {United States},
year = {2020},
month = {2}
}
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