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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Dirigo
On April 22, 1959, Rear Admiral George J. King, superintendent of the Maine Maritime Academy, announced that following the completion of the 1960 training cruise, cadets would begin the study of nuclear engineering. Courses at that time included radiation physics, reactor control and instrumentation, reactor theory and engineering, thermodynamics, shielding, core design, reactor maintenance, and nuclear aspects.
C. Roecker, N. S. Bowden, G. Carosi, M. Heffner, I. Jovanovic
Nuclear Technology | Volume 180 | Number 2 | November 2012 | Pages 231-240
Technical Paper | Radiation Measurements and General Instrumentation | doi.org/10.13182/NT12-A14636
Articles are hosted by Taylor and Francis Online.
Directional detection of fast neutrons emitted by special nuclear materials can be performed with a time projection chamber. This device permits particle identification and full three-dimensional reconstruction of charged-particle tracks produced by interaction of fast neutrons in the chamber active volume. Single-recoil-proton reconstruction allows rapid pointing, while the reconstruction of two recoil protons produced by a single incident neutron event can enable a measurement with very high angular resolution. Kinematic reconstruction algorithms for both of these cases are presented and their performance assessed using data generated by a simple Monte Carlo simulation and experimental data where those exist. The simulation data are also used to estimate the relative efficiency of both neutron imaging modalities as a function of the volume and pressure of the time projection chamber.