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Journal article
Performance of a segmented Li-6-loaded liquid scintillator detector for the PROSPECT experiment
Journal of instrumentation, v 13
01 Jun 2018
Abstract
This paper describes the design and performance of a 50 liter, two-segment Li-6-loaded liquid scintillator detector that was designed and operated as prototype for the PROSPECT (Precision Reactor Oscillation and Spectrum) Experiment. The two-segment detector was constructed according to the design specifications of the experiment. It features low-mass optical separators, an integrated source and optical calibration system, and materials that are compatible with the Li-6-doped scintillator developed by PROSPECT. We demonstrate a high light collection of 850 +/- 20PE/MeV, an energy resolution of sigma = 4.0 +/- 0.2% at 1 MeV, and efficient pulse-shape discrimination of low dE /dx (electronic recoil) and high dE/dx (nuclear recoil) energy depositions. An effective scintillation attenuation length of 85 +/- 3 cm is measured in each segment. The 0.1% by mass concentration of Li-6 in the scintillator results in a measured neutron capture time of tau = 42.8 + 0.2 mu s. The long-term stability of the scintillator is also discussed. The detector response meets the criteria necessary for achieving the PROSPECT physics goals and demonstrates features that may find application in fast neutron detection.
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Details
- Title
- Performance of a segmented Li-6-loaded liquid scintillator detector for the PROSPECT experiment
- Creators
- J. Ashenfelter - Wright LaboratoryA. B. Balantekin - University of Wisconsin–MadisonH. R. Band - Wright LaboratoryC. D. Bass - Le Moyne CollegeD. E. Bergeron - National Institute of Standards and TechnologyD. Berish - Temple UniversityN. S. Bowden - Lawrence Livermore National LaboratoryJ. P. Brodsky - Lawrence Livermore National LaboratoryC. D. Bryan - Oak Ridge National LaboratoryA. Bykadorova Telles - Wright LaboratoryJ. J. Cherwinka - University of Wisconsin–MadisonT. Classen - Lawrence Livermore National LaboratoryK. Commeford - Drexel UniversityA. Conant - Georgia Institute of TechnologyD. Davee - William & MaryG. Deichert - Oak Ridge National LaboratoryM. Diwan - Brookhaven National LaboratoryM. J. Dolinski - Drexel UniversityA. Erickson - Georgia Institute of TechnologyB. T. Foust - Wright LaboratoryJ. K. Gaison - Wright LaboratoryA. Galindo-Uribarri - University of Tennessee at KnoxvilleK. Gilje - Illinois Institute of TechnologyB. Hackett - University of Tennessee at KnoxvilleK. Han - Yale UniversityS. Hans - Brookhaven National LaboratoryA. Hansenll - Temple Univ, Dept Phys, Philadelphia, PA 19122 USAK. M. Heeger - Wright LaboratoryB. Heffron - University of Tennessee at KnoxvilleJ. Insler - Drexel UniversityD. E. Jaffe - Brookhaven National LaboratoryD. Jones - Temple UniversityO. Kyzylova - Drexel UniversityC. E. Lane - Drexel UniversityT. J. Langford - Wright LaboratoryJ. LaRosa - National Institute of Standards and TechnologyB. R. Littlejohn - Illinois Institute of TechnologyF. Lopez - Wright LaboratoryD. A. Martinez Caicedo - Illinois Institute of TechnologyJ. Matta - Oak Ridge National LaboratoryR. D. McKeown - William & MaryM. P. Mendenhall - Lawrence Livermore National LaboratoryJ. Minock - Drexel UniversityP. E. Mueller - Oak Ridge National LaboratoryH. P. Mumm - National Institute of Standards and TechnologyJ. Napolitano - Temple UniversityR. Neilson - Drexel UniversityJ. A. Nikkel - Wright LaboratoryD. Norcini - Wright LaboratoryS. Nour - National Institute of Standards and TechnologyD. A. Pushin - University of WaterlooX. Qian - Brookhaven National LaboratoryE. Romero-Romero - University of Tennessee at KnoxvilleR. Rosero - Brookhaven National LaboratoryP. T. Surukuchi - Illinois Institute of TechnologyC. Trinh - Drexel UniversityM. A. Tyra - National Institute of Standards and TechnologyJ. M. Wagner - Drexel UniversityC. White - Illinois Institute of TechnologyJ. Wilhelmi - Temple UniversityT. Wise - Wright LaboratoryM. Yeh - Brookhaven National LaboratoryY-R Yen - Drexel UniversityA. Zhang - Brookhaven National LaboratoryC. Zhang - Brookhaven National LaboratoryX. Zhang - Illinois Institute of TechnologyPROSPECT Collaboration
- Publication Details
- Journal of instrumentation, v 13
- Publisher
- Iop Publishing Ltd
- Number of pages
- 17
- Grant note
- Yale University RGPIN-418579 / Natural Sciences and Engineering Research Council of Canada (NSERC) Brookhaven National Laboratory; United States Department of Energy (DOE) Province of Ontario High Flux Isotope Reactor and Oak Ridge National Laboratory DE-AC05-00OR22725 / Oak Ridge National Laboratory; United States Department of Energy (DOE) 2016-117 / Heising-Simons Foundation Illinois Institute of Technology Oak Ridge National Laboratory; United States Department of Energy (DOE) National Institute of Standards and Technology; National Institute of Standards & Technology (NIST) - USA Temple University DE-SC0016357; DE-SC0017660; DE-SC0017815; DE-SC0008347; DE-SC0016060; DE-SC0012704; SCW1504 / U.S. Department of Energy (DOE) Office of Science, Office of High Energy Physics; United States Department of Energy (DOE) DE-AC52-07NA27344 / U.S. Department of Energy by Lawrence Livermore National Laboratory; United States Department of Energy (DOE) Lawrence Livermore National Laboratory LDRD program NSF Graduate Research Fellowship Program; National Science Foundation (NSF) NA-241 / National Nuclear Security Administration's Office of International Nuclear Safeguards; National Nuclear Security Administration
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000437194400002
- Scopus ID
- 2-s2.0-85049735796
- Other Identifier
- 991019167616604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Instruments & Instrumentation