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Criteria for Determination of Material Control and Accountability System Effectiveness

Description: The Nevada Test Site (NTS) is a test bed for implementation of the Safeguards First Principles Initiative (SFPI), a risk-based approach to Material Control & Accountability (MC&A) requirements. The Comprehensive Assessment of Safeguards Strategies (COMPASS) model is used to determine the effectiveness of MC&A systems under SFPI. Under this model, MC&A is divided into nine primary elements. Each element is divided into sub-elements. Then each sub-element is assigned two values, effectiveness and… more
Date: March 1, 2008
Creator: Wright, John
Partner: UNT Libraries Government Documents Department
open access

On the Reversibility of Newton-Raphson Root-Finding Method

Description: Reversibility of a computational method is the ability to execute the method forward as well as backward. Reversible computational methods are generally useful in undoing incorrect computation in a speculative execution setting designed for efficient parallel processing. Here, reversibility is explored of a common component in scientific codes, namely, the Newton-Raphson root-finding method. A reverse method is proposed that is aimed at retracing the sequence of points that are visited by the f… more
Date: July 1, 2008
Creator: Perumalla, Kalyan S.; Wright, John P. & Kuruganti, Phani Teja
Partner: UNT Libraries Government Documents Department
open access

SUBPICOSECOND ELECTRON BUNCH DIAGNOSTIC

Description: This is the final report of a three-year, Laboratory-Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). The purpose of this LDRD project was to develop new, inexpensive, simple electron beam bunch-length diagnostics with resolutions below 1/4 picosecond (ps). Our approach to this problem was three pronged. First, it was our intent to build a streak camera with 1/2 ps resolution. This conventional diagnostic was to be used to verify the results of two … more
Date: June 1, 2000
Creator: Russell, Steven J.; Carlsten, Bruce E.; Nguyen, Dinh C. & Kinross-Wright, John
Partner: UNT Libraries Government Documents Department
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