Source detection at 100 meter standoff with a time-encoded imaging system

Brennan, J.; Brubaker, E.; Gerling, M.; Marleau, P.; Monterial, M.; Nowack, A.; Schuster, P.; Sturm, B.; Sweany, M.

doi:10.1016/j.nima.2017.09.052

Title: Source detection at 100 meter standoff with a time-encoded imaging system

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Abstract

Here, we present the design, characterization, and testing of a laboratory prototype radiological search and localization system. The system, based on time-encoded imaging, uses the attenuation signature of neutrons in time, induced by the geometrical layout and motion of the system. We have demonstrated the ability to detect a ~1 mCi²⁵² Cf radiological source at 100 m standoff with 90% detection efficiency and 10% false positives against background in 12 min. As a result, this same detection efficiency is met at 15 s for a 40 m standoff, and 1.2 s for a 20 m standoff.

Authors:

Brennan, J. ^[1]; Brubaker, E. ^[1]; Gerling, M. ^[1]; Marleau, P. ^[1]; Monterial, M. ^[2]; Nowack, A. ^[3]; Schuster, P. ^[2]; Sturm, B. ^[1]; Sweany, M. ^[1]

Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sandia National Lab. (SNL-CA), Livermore, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
Sandia National Lab. (SNL-CA), Livermore, CA (United States); Univ. of Tennessee, Knoxville, TN (United States)

Publication Date:: 2017-09-28

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation

OSTI Identifier:: 1406359

Alternate Identifier(s):: OSTI ID: 1549284

Report Number(s):: SAND-2017-10692J
Journal ID: ISSN 0168-9002; PII: S0168900217310227; TRN: US1703262

Grant/Contract Number:: AC04-94AL85000; 2012-DN-130-NF0001; NA0003525

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: 877; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Fast neutron imaging; Time-encoded imaging; Radiological search instrument

Citation Formats


                    Brennan, J., Brubaker, E., Gerling, M., Marleau, P., Monterial, M., Nowack, A., Schuster, P., Sturm, B., and Sweany, M. Source detection at 100 meter standoff with a time-encoded imaging system.  United States: N. p., 2017. 
Web.  doi:10.1016/j.nima.2017.09.052.

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                    Brennan, J., Brubaker, E., Gerling, M., Marleau, P., Monterial, M., Nowack, A., Schuster, P., Sturm, B., & Sweany, M. Source detection at 100 meter standoff with a time-encoded imaging system.  United States.  https://doi.org/10.1016/j.nima.2017.09.052

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                    Brennan, J., Brubaker, E., Gerling, M., Marleau, P., Monterial, M., Nowack, A., Schuster, P., Sturm, B., and Sweany, M. Thu .  
"Source detection at 100 meter standoff with a time-encoded imaging system".  United States.  https://doi.org/10.1016/j.nima.2017.09.052.  https://www.osti.gov/servlets/purl/1406359.

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@article{osti_1406359,

  title        = {Source detection at 100 meter standoff with a time-encoded imaging system},

  author       = {Brennan, J. and Brubaker, E. and Gerling, M. and Marleau, P. and Monterial, M. and Nowack, A. and Schuster, P. and Sturm, B. and Sweany, M.},

  abstractNote = {Here, we present the design, characterization, and testing of a laboratory prototype radiological search and localization system. The system, based on time-encoded imaging, uses the attenuation signature of neutrons in time, induced by the geometrical layout and motion of the system. We have demonstrated the ability to detect a ~1 mCi252 Cf radiological source at 100 m standoff with 90% detection efficiency and 10% false positives against background in 12 min. As a result, this same detection efficiency is met at 15 s for a 40 m standoff, and 1.2 s for a 20 m standoff.},

  doi          = {10.1016/j.nima.2017.09.052},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},

  number       = ,

  volume       = 877,

  place        = {United States},

  year         = {2017},

  month        = {9}

}

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