Jonathan Thron
Los Alamos National Laboratory
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Publication
Featured researches published by Jonathan Thron.
ieee nuclear science symposium | 2006
Sy Stange; P. J. Karpius; Katherine C. Frame; William Clay; Timothy E. Elmont; Ernst-Ingo Esch; Norman A. Johansen; D.W. MacArthur; Edward A. McKigney; Morag Smith; Jonathan Thron; Richard B. Williams
A new neutron multiplicity counter is being developed that utilizes the fast response of liquid scintillator detectors. The ability to detect fast (vs. moderated) fission neutrons makes possible a coincidence gate on the order of tens of nanoseconds (vs. tens of microseconds). A neutron counter with such a narrow gate will be much less sensitive to accidental coincidences making it possible to measure items with a high single neutron background to greater accuracy in less time. This includes impure Pu items with high (alpha,n) rates as well as items of low mass HEU where a strong active interrogation source is needed. Liquid scintillator detectors also allow for energy discrimination between interrogation source neutrons and fission neutrons, allowing for even greater assay sensitivity. Designing and building a liquid scintillator multiplicity counter (LSMC) requires a symbiotic effort of simulation and experiment to optimize performance and mitigate hardware costs in the final product. We present preliminary Monte Carlo studies using the GEANT toolkit along with analysis of experimental data used to benchmark and tune the simulation.
Archive | 2012
Scott Stewart; Jonathan Thron; Martyn T. Swinhoe; William H. Geist; William S. Charlton
Overview of this presentation is: (1) pulsed histogram analysis, (2) creation of SPNS, (3) use of SPNS for modeling pulsed neutron data, (4) creation of MUDI, (5) calculated accidentals correction using GUAM + MUDI, (6) background subtraction analysis, and (7) current/figure work with MCNP.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2007
Katherine C. Frame; Willam Clay; Tim Elmont; Ernst I. Esch; P. J. Karpius; D.W. MacArthur; Edward A. McKigney; Peter A. Santi; Morag Smith; Jonathan Thron; Richard B. Williams
Archive | 2010
D.W. MacArthur; Jonathan Thron; Sergey Razinkov; Alexander Livke; Sergey Kondratov
Archive | 2010
Jonathan Thron; D.W. MacArthur; Sergey Kondratov; Alexander Livke; Sergey Razinkov
Archive | 2010
D.W. MacArthur; Danielle K Hauck; Diana Langner; Jonathan Thron; Morag Smith; Richard B. Williams
Archive | 2011
James L. Jones; Kevin J. Haskell; Rich Waston; William H. Geist; Jonathan Thron; Corey R Freeman; Martyn T. Swinhoe; Seth M McConchie; Eric D Sword; Lee Montierth; John Zabriskie
Archive | 2012
D.W. MacArthur; Danielle K Hauck; Jonathan Thron
Archive | 2012
D.W. MacArthur; Jonathan Thron; Danielle K Hauck
Archive | 2010
Danielle K Hauck; Duncan W Mac Arthur; Jonathan Thron; Alexander Livke; Sergey Kondratov; Sergey Razinkov