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At least 541 records · Page 30

SDAV Visualization Area: Highlights at Los Alamos with HACC

The objectives of this project are to implement application-specific visualization and/ or analysis operators needed for in-situ use by LCF science codes; and to use PISTON to take advantage of multi-core and many-core technologies.

97 MATHEMATICS AND COMPUTING↗

Radiological Characterization Technical Report on Californium-252 Sealed Source Transuranic Debris Waste for the Off-Site Source Recovery Project at Los Alamos National Laboratory

This document describes the development and approach for the radiological characterization of Cf-252 sealed sources for shipment to the Waste Isolation Pilot Plant. The report combines information on the nuclear material content of each individual source (mass or activity and date of manufacture) with information and data on the radionuclide distributions within the originating nuclear material. This approach allows for complete and accurate characterization of the waste container without the need to take additional measurements. The radionuclide uncertainties, developed from acceptable knowledge (AK) information regarding the source material, are applied to the summed activities in the drum. The AK information used in the characterization of Cf-252 sealed sources has been qualified by the peer review process, which has been reviewed and accepted by the Environmental Protection Agency.

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE W↗

The Los Alamos CP2011 ACE Format Charged Particle Transport Library for MCNP6

Twenty-five ACE tables for MCNP6 are given for the various combinations of incident protons, deuterons, tritons, helions (He-3), and alphas onto targets of protons, deuterons, tritons, helions, alphas, Li-6 and Li-7. An appropriate xsdir file is also included. The usual convention has been followed that the lighter charged particle is defined to be the incident particle and the heavier is defined to be the target.

73 NUCLEAR PHYSICS AND RADIATION PHYSICS↗

Muon Tomography at Los Alamos [Slides]

This presentation includes a look at Cosmic-ray muon background, Mini Muon Tracker (MMT), and Muon interactions with matter. Which deals with Energy loss, Multiple Coulomb scattering, and Muon induced fission. This presentation also looks at Horizontal reactor imaging at Fukushima. With a greater look at Mock reactor, Fukushima simulations and measurements, UNMRR measurements, Japan NCA measurements, and Next steps to Fukushima. Lastly, discussed is Carbon fiber tubes and the future of muon tomography.

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND ↗

Los Alamos National Laboratory Inertial Confinement fusion (ICF) Highlights, May 2014

• 25 shots on Omega measured the effect of initial surface roughness on the evolution of mixing due to shear flow. • First experiments on Omega EP of the oblique shock experiment returned high-quality radiographs showing instability growth. • Completed design of first beryllium-capsule laser pulse for NIF that will assess risk of SBS backscatter.

70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗