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Title: Improving light yield measurements for low-yield scintillators

Abstract

Light power spectra are introduced as a new tool for relative light yield (LY) determinations. Light event spectra have commonly been used for this purpose. Theoretical background supporting this change is provided. It is shown that the derivative of a light power spectrum can provide a reliable LY measurement at levels as low as 2% of those for high-yield liquid scintillators. In this work, applications to light evolution in the PPO+LAB system and to water-based liquid scintillators are described.

Authors:
 [1];  [2]; ORCiD logo [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Bronx Community College, Bronx, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1506632
Report Number(s):
BNL-211516-2019-JAAM
Journal ID: ISSN 0168-9002
Grant/Contract Number:  
SC0012704
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: 925; 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; liquid scintillator; light yield; data analysis; water-based

Citation Formats

Cumming, J. B., Hans, S., and Yeh, Minfang. Improving light yield measurements for low-yield scintillators. United States: N. p., 2019. Web. doi:10.1016/j.nima.2019.01.014.
Cumming, J. B., Hans, S., & Yeh, Minfang. Improving light yield measurements for low-yield scintillators. United States. https://doi.org/10.1016/j.nima.2019.01.014
Cumming, J. B., Hans, S., and Yeh, Minfang. Fri . "Improving light yield measurements for low-yield scintillators". United States. https://doi.org/10.1016/j.nima.2019.01.014. https://www.osti.gov/servlets/purl/1506632.
@article{osti_1506632,
title = {Improving light yield measurements for low-yield scintillators},
author = {Cumming, J. B. and Hans, S. and Yeh, Minfang},
abstractNote = {Light power spectra are introduced as a new tool for relative light yield (LY) determinations. Light event spectra have commonly been used for this purpose. Theoretical background supporting this change is provided. It is shown that the derivative of a light power spectrum can provide a reliable LY measurement at levels as low as 2% of those for high-yield liquid scintillators. In this work, applications to light evolution in the PPO+LAB system and to water-based liquid scintillators are described.},
doi = {10.1016/j.nima.2019.01.014},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 925,
place = {United States},
year = {2019},
month = {1}
}

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