Dr. Jonathan Mueller presents an invited seminar to the Purdue School of Nuclear Engineering

Dr. Jonathan Mueller, the RADIANS postdoctoral research fellow, gave an invited seminar to the Purdue School of Nuclear Engineering on February 10, 2016.  His seminar focused on his analysis of the measurements of subcritical assemblies of highly multiplying special nuclear material (SNM) he conducted during the measurement campaign at the Nevada Test Site (NTS) Device Assembly Facility (DAF) in Summer 2015.  Dr. Mueller described how his measurements and analyses enable novel approaches to verification of nuclear disarmament.  Purdue is a partner institution in the Consortium for Nonproliferation Enabling Capabilities (CNEC).

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Mattingly selected to serve on National Academy of Sciences panel

Prof. John Mattingly, the RADIANS team lead, was selected by the National Academy of Sciences (NAS) to serve on a multidisciplinary panel of experts to recommend metrics to evaluate the effectiveness of the Department of Homeland Security (DHS) Domestic Nuclear Detection Office‘s (DNDO) Global Nuclear Detection Architecture (GNDA).

Mattingly was selected because of his experience conducting radiation measurements of nuclear weapons and special nuclear material (SNM).  The panel is a multidisciplinary team consisting of distinguished experts in nuclear counter-terrorism, strategic planning, and systems analysis:

  • Arden Bement (chair)
  • Kelly Coyner
  • Martha Crenshaw
  • James S. Dyer
  • Roger L. Hagengruber
  • John H. Holmes
  • Edward H. Kaplan
  • John Mattingly
  • Gregory S. Parnell
  • Donald Prosnitz
  • Thomas C. Schelling
  • Detlof von Winterfeldt

The panel’s charge is to review DNDO’s current set of GNDA performance metrics, recommend new ones where they are needed, and suggest methods to evaluate GNDA performance.


The NAS panel’s recommendations were published in the book Performance Metrics for the Global Nuclear Detection Architecture (ISBN 978-0-309-29014-2), available from the National Academies Press.

DNDO has been working to implement the panel’s recommendations to guide its future investments in the operation and expansion of the GNDA.