Search Results

open access

House Contested Election Cases: 1933 to 2005

Description: This report provides a summary of contested election cases from the 73rd Congress through the 109th Congress, 1933 to 2005. The descriptions primarily provide information concerning the nature of the action and the disposition of the case. The summary is limited to only those cases that were considered by the House of Representatives; cases decided at the state level are beyond the scope of this report.
Date: October 26, 2006
Creator: Whitaker, L. Paige
Partner: UNT Libraries Government Documents Department
open access

Financial Management: Review of the Financial Statement Audit of the White House Commission on the National Moment of Remembrance for Fiscal Year 2005 and Status of GAO Audit Recommendations

Description: Correspondence issued by the Government Accountability Office with an abstract that begins "The White House Commission on the National Moment of Remembrance (Commission) was created on December 28, 2000, by the National Moment of Remembrance Act. The Commission's purpose is to sustain the American spirit through acts of remembrance, not only on Memorial Day but also throughout the year, for those who died serving our country. Congress appropriated $1.25 million to the Commission to fund its ope… more
Date: October 26, 2006
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Photon Production through Multi-step Processes Important in Nuclear Fluorescence Experiments

Description: The authors present calculations describing the production of photons through multi-step processes occurring when a beam of gamma rays interacts with a macroscopic material. These processes involve the creation of energetic electrons through Compton scattering, photo-absorption and pair production, the subsequent scattering of these electrons, and the creation of energetic photons occurring as these electrons are slowed through Bremsstrahlung emission. Unlike single Compton collisions, during w… more
Date: October 26, 2006
Creator: Hagmann, C & Pruet, J
Partner: UNT Libraries Government Documents Department
open access

The Role of Nuclear Motion in the Photo-Double Ionization ofMolecular Hydrogen

Description: We examine the origin of recently observed variations with internuclear distance (R) of the fully differential cross sections for double ionization of aligned H2 by absorption of a single photon. Using the results of fully converged numerical solutions of the Schroedinger equation, we show that these variations arise primarily from pronounced differences in the R-dependence of the parallel and perpendicular components of the ionization amplitude. We also predict that R-dependences should be rea… more
Date: October 26, 2006
Creator: Horner, Daniel A.; Vanroose, Wim; Rescigno, Thomas N.; Martin,Fernando & McCurdy, C. William
Partner: UNT Libraries Government Documents Department
open access

Assessing the Prospects for Achieving Double-Shell Ignition on the National Ignition Facility Using Vacuum Hohlraums

Description: The goal of demonstrating ignition on the National Ignition Facility (NIF) has motivated a revisit of double-shell (DS) targets as a complementary path to the cryogenic baseline approach. Expected benefits of DS ignition targets include non-cryogenic deuterium-tritium (DT) fuel preparation, minimal hohlraum-plasma mediated laser backscatter, low threshold ignition temperatures ({approx} 4 keV) for relaxed hohlraum x-ray flux asymmetry tolerances, and minimal (two-) shock timing requirements. On… more
Date: October 26, 2006
Creator: Amendt, P.; Cerjan, C.; Hamza, A.; Hinkel, D.; Milovich, J. L. & Robey, H. F.
Partner: UNT Libraries Government Documents Department
open access

MRF Applications: On the Road to Making Large-Aperture Ultraviolet Laser Resistant Continuous Phase Plates for High-Power Lasers

Description: Over the past two years we have developed MRF tools and procedures to manufacture large-aperture (430 X 430 mm) continuous phase plates (CPPs) that are capable of operating in the infrared portion (1053 nm) of high-power laser systems. This is accomplished by polishing prescribed patterns of continuously varying topographical features onto finished plano optics using MRF imprinting techniques. We have been successful in making, testing, and using large-aperture CPPs whose topography possesses s… more
Date: October 26, 2006
Creator: Menapace, J A; Davis, P J; Steele, W A; Hachkowski, M R; Nelson, A & Xin, K
Partner: UNT Libraries Government Documents Department
open access

A Partial Equilibrium Theory for Drops and Capillary Liquids

Description: The two-century old theory of Young and Laplace retains apowerful influence on surface and interface studies because itquantitatively predicts the height of rise of capillary liquids from thecontact angles of drops. But the classical theory does not acknowledgethat equilibrium requires separate minimization of partial free energiesof one-component liquids bonded to immiscible solids. We generalize atheorem of Gibbs and Curie to obtain a partial equilibrium (PE) theorythat does so and that also … more
Date: October 26, 2006
Creator: Searcy, Alan W.; Beruto, Dario T. & Barberis, Fabrizio
Partner: UNT Libraries Government Documents Department
open access

Laser Beam Propagation through Inertial Confinement Fusion Hohlraum Plasmas

Description: A study of the relevant laser-plasma interaction processes has been performed in long-scale length plasmas that emulate the plasma conditions in indirect drive inertial confinement fusion targets. Experiments in this high-temperature (T{sub e} = 3.5 keV), dense (n{sub e} = 0.5 - 1 x 10{sup -3}) hohlraum plasma have demonstrated that blue 351-nm laser beams produce less than 1% total backscatter resulting in transmission greater than 90% for ignition relevant laser intensities (I < 2 x 10{sup… more
Date: October 26, 2006
Creator: Froula, D. H.; Divol, L.; Meezan, N. B.; DIxit, S.; Neumayer, P.; Moody, J. D. et al.
Partner: UNT Libraries Government Documents Department
open access

Action Memorandum for General Decommissioning Activities under the Idaho Cleanup Project

Description: This Action Memorandum documents the selected alternative to perform general decommissioning activities at the Idaho National Laboratory (INL) under the Idaho Cleanup Project (ICP). Preparation of this Action Memorandum has been performed in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), as amended by the "Superfund Amendments and Reauthorization Act of 1986", and in accordance with the "National Oil and Hazardous Substances Pollution Conting… more
Date: October 26, 2006
Creator: Reno, S. L.
Partner: UNT Libraries Government Documents Department
open access

Mutagenic Potency of Food-Derived Heterocyclic Amines

Description: The understanding of mutagenic potency has been primarily approached using ''quantitative structure activity relationships'' (QSAR). Often this method allows the prediction of mutagenic potency of the compound based on its structure. But it does not give the underlying reason why the mutagenic activities differ. We have taken a set of heterocyclic amine structures and used molecular dynamic calculations to dock these molecules into the active site of a computational model of the cytochrome P-45… more
Date: October 26, 2006
Creator: Felton, J S; Knize, M G; Wu, R W; Colvin, M E; Hatch, F T & Malfatti, M A
Partner: UNT Libraries Government Documents Department
open access

LATEST RESULTS FROM MINOS.

Description: Among the goals of the MINOS experiment are the test of the {nu}{sub {mu}} {yields} {nu}{sub {tau}} oscillation and the search for sub-dominant {nu}{sub {mu}} {yields} {nu}{sub {tau}} oscillations. The former proceeds by a {nu}{sub {mu}} ''disappearance'' analysis while the latter would involve the ''appearance'' of {nu}{sub e} interactions in a predominantly {nu}{sub {mu}} beam. The disappearance of muon neutrinos is described by P({nu}{sub {mu}} {yields} {mu}{sub {mu}}) = 1 - sin{sup 2} 2{the… more
Date: October 26, 2006
Creator: JAFFE,D.E.
Partner: UNT Libraries Government Documents Department
open access

Investigation of Generation, Acceleration, Transport and Final Focusing of High-Intensity Heavy Ion Beams from Sources to Targets

Description: Under the auspices of the research grant, the Intense Beam Theoretical Research Goup at Massachusetts Institute of Technology's Plasma Science and Fusion Center made significant contributions in a number of important areas in the HIF and HEDP research, including: (a) Derivation of rms envelope equations and study of rms envelope dynamics for high-intensity heavy ion beams in a small-aperture AG focusing transport systems; (b) Identification of a new mechanism for chaotic particle motion, halo f… more
Date: October 26, 2006
Creator: Chen, Chiping
Partner: UNT Libraries Government Documents Department
open access

A new expedited approach to evaluate the importance of different crystal growth parameters on laser damage performance in KDP and DKDP

Description: In this work, we investigate the laser-induced damage resistance at 355 nm in DKDP crystals grown with varying growth parameters, including temperature, speed of growth and impurity concentration. In order to perform this work, a DKDP crystal was grown over 34 days by the rapid-growth technique with varied growth conditions. By using the same crystal, we are able to isolate growth-related parameters affecting LID from raw material or other variations that are encountered when testing in differe… more
Date: October 26, 2006
Creator: Negres, R A; Zaitseva, N P; DeMange, P & Demos, S G
Partner: UNT Libraries Government Documents Department
Back to Top of Screen