Evaluation of polyvinyl toluene scintillators for fast neutron imaging

Chuirazzi, William C.; Oksuz, Ibrahim; Kandlakunta, Praneeth; Massey, Thomas N.; Brune, Carl R.; Cherepy, Nerine J.; Paul Martinez, H.; Cao, Lei

doi:10.1007/s10967-018-6080-1

Title: Evaluation of polyvinyl toluene scintillators for fast neutron imaging

Journal Article · 12 August 2018 · Journal of Radioanalytical and Nuclear Chemistry

DOI: https://doi.org/10.1007/s10967-018-6080-1 · OSTI ID:1502003

Chuirazzi, William C. ^[1]; Oksuz, Ibrahim ^[1]; Kandlakunta, Praneeth ^[1]; Massey, Thomas N. ^[2]; Brune, Carl R. ^[2]; Cherepy, Nerine J. ^[3]; Paul Martinez, H. ^[3];

^[1]

The Ohio State Univ., Columbus, OH (United States). Nuclear Engineering Program. Dept. of Mechanical and Aerospace Engineering
Ohio Univ., Athens, OH (United States). Edwards Accelerator Lab. Dept. of Physics and Astronomy
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

We evaluated here polyvinyl toluene (PVT) scintillators fabricated with different emitting dopants and scintillator optical configurations for fast neutron imaging. A neutron imaging apparatus was constructed to study scintillators under MeV neutron exposure. PVT with 2% Xylyl Flrpic emitter was identified as the brightest. The addition of a black backing to the scintillator, compared with a specular reflector film backing, improved the resolution of the neutron image obtained with the PVT scintillator by about 2 ×. It is concluded that a PVT imaging screen with 2% Xylyl Flrpic, configured with a black backing, provides the best quality fast neutron image of the scintillators tested.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Ohio Univ., Athens, OH (United States); The Ohio State Univ., Columbus, OH (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC52-07NA27344; NA0002905

OSTI ID:: 1502003

Report Number(s):: LLNL-JRNL--757419; 944158

Journal Information:: Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 1 Vol. 318; ISSN 0236-5731

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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