WorldCat Identities

United States Department of Energy Oakland Operations Office

Works: 3,755 works in 4,017 publications in 1 language and 15,115 library holdings
Roles: Researcher, Sponsor
Publication Timeline
Most widely held works by United States
Final report for the 1996 DOE grant supporting research at the SLAC( )

22 editions published between 1990 and 2004 in English and held by 0 WorldCat member libraries worldwide

The construction of the HERS endstation was successfully completed. The resolution of the photoemission apparatus is better than 7meV. The angular resolution is +0.15 degrees. The system has a high precision sample manipulator w/ five-degrees of freedom and a temperature range from 10 - 450 degrees K. The sample transfer system allows transfer of a sample from atmosphere onto the crystal @ 5x10 in less than 2 hrs
Annual scientific report Microstructures and properties of materials under repeated laser irradiation( )

1 edition published in 2005 in English and held by 0 WorldCat member libraries worldwide

In this second year of the grant, we have made good progress toward our goals of elucidating the basic materials response to repeated laser pulsing. This work includes both computer simulation and experimentation, as we now describe
Isotope tracer studies of diffusion in silicates and of geological transport processes using actinide elements. Progress report( )

3 editions published between 1991 and 1992 in English and held by 0 WorldCat member libraries worldwide

This report consists of sections entitled resonance ionization mass spectrometry of Os, Mg self-diffusion in spinel and silicate melts, neotectonics: U-Th ages of solitary corals from the California coast, uranium-series evidence on diagenesis and hydrology of carbonates of Barbados, diffusion of H₂O molecules in silicate glasses, and development of an extremely high abundance sensitivity mass spectrometer
Final report on the Copper Mountain conference on multigrid methods( )

3 editions published between 1997 and 2004 in English and held by 0 WorldCat member libraries worldwide

OAK-B135 Final report from the University of California San Diego for an ongoing research project that was moved to Brookhaven National Laboratory where proposed work will be completed. The research uses measurements made by the Atmospheric Radiation Measurement (ARM) Program to quantify the effects of aerosols and clouds on the Earth's energy balance in the climatically important Tropical Western Pacific
Hawaii Energy Strategy Program guide( )

3 editions published between 1992 and 1993 in English and held by 0 WorldCat member libraries worldwide

The Hawaii Energy Strategy program, or HES, is a set of seven projects which will produce an integrated energy strategy for the State of Hawaii. It will include a comprehensive energy vulnerability assessment with recommended courses of action to decrease Hawaii's energy vulnerability and to better prepare for an effective response to any energy emergency or supply disruption. The seven projects are designed to increase understanding of Hawaii's energy situation and to produce recommendations to achieve the State energy objectives of: Dependable, efficient, and economical state-wide energy systems capable of supporting the needs of the people, and increased energy self-sufficiency. The seven projects under the Hawaii Energy Strategy program include: Project 1: Develop Analytical Energy Forecasting Model for the State of Hawaii. Project 2: Fossil Energy Review and Analysis. Project 3: Renewable Energy Resource Assessment and Development Program. Project 4: Demand-Side Management Program. Project 5: Transportation Energy Strategy. Project 6: Energy Vulnerability Assessment Report and Contingency Planning. Project 7: Energy Strategy Integration and Evaluation System
Particle pressures in fluidized beds. Second year annual report( )

3 editions published between 1992 and 1993 in English and held by 0 WorldCat member libraries worldwide

This is an experimental project to make detailed measurements of the particle pressures generated in fluidized beds. The focus lies in two principle areas: (1) the particle pressure distribution around single bubbles rising in a two-dimensional gas-fluidized bed and (2) the particle pressures measured in liquid-fluidized beds. This first year has largely been to constructing the experiments The design of the particle pressure probe has been improved and tested. A two-dimensional gas-fluidized bed has been constructed in order to measure the particle pressure generated around injected bubbles. The probe is also being adapted to work in a liquid fluidized bed. Finally, a two-dimensional liquid fluidized bed is also under construction. Preliminary measurements show that the majority of the particle pressures are generated in the wake of a bubble. However, the particle pressures generated in the liquid bed appear to be extremely small. Finally, while not directly associated with the particle pressure studies, some NERSC supercomputer time was granted alongside this project. This is being used to make large scale computer simulation of the flow of granular materials in hoppers
Nuclear research with electromagnetic probe. Progress report( )

4 editions published between 1988 and 1994 in English and held by 0 WorldCat member libraries worldwide

This is the final report on the research carried at Stanford University under contract DE-FG03-88ER40439. All the work accomplished under this grant is reported in the publications listed as part of the Principal Investigator bibliography at the end of this report. In the last few years our research was directed at some of the forefront questions in nuclear physics. We investigated the nuclear medium effects on the intrinsic properties of bound nucleons, specifically the ectromagnetic form factors. For these studies we performed a number of specialized electron scattering experiments with specific sensitivity to nuclear medium effects. At the next level of structure, elementary constituents of matter are quarks and gluons. Defining the energy regime where the quark-gluon description of nuclear systems becomes more relevant than the nucleon-meson description is of great importance in thoroughly understanding the nuclear structure. To explore this transition region, we studied the scaling region in the disintegration of the deuteron, the simplest nuclear system with high energy photons. Finally we focused on the investigation of the nucleon internal spin structure along with the test of the Bjoerken sum rule a fundamental sum rule of QCD
The fundamental and universal nature of Boltzmann's constant( )

3 editions published between 1993 and 1996 in English and held by 0 WorldCat member libraries worldwide

This report discusses the following concepts on quantum gravity: The affine gauge approach; affine gauge transformations versus active differomorphisms; affine gauge approach to quantum gravity with topology change
[Genetics in methylotrophic bacteria]. Final progress report, July 1, 1987--June 30, 1995( )

21 editions published between 1989 and 2002 in English and held by 0 WorldCat member libraries worldwide

We discuss the exploration of the newly proposed blowout regime of the plasma wakefield accelerator and advanced photoinjector technology for linear collider applications. The plasma wakefield experiment at ANL produced several ground-breaking results in the physics of the blowout regime. The photoinjector R and D effort produced breakthroughs in theoretical, computational, and experimental methods in high brightness beam physics. Results have been published
Response of a tundra ecosystem to elevated atmospheric carbon dioxide and CO₂-induced climate change. Annual technical report( )

3 editions published between 1993 and 1996 in English and held by 0 WorldCat member libraries worldwide

Northern ecosystems contain up to 455 Gt of C in the soil active layer and upper permafrost, which is equivalent to approximately 60% of the carbon currently in the atmosphere as CO₂. Much of this carbon is stored in the soil as dead organic matter. Its fate is subject to the net effects of global change on the plant and soil systems of northern ecosystems. The arctic alone contains about 60 Gt C, 90% of which is present in the soil active layer and upper permafrost, and is assumed to have been a sink for CO₂ during the historic and recent geologic past. Depending on the nature, rate, and magnitude of global environmental change, the arctic may have a positive or negative feedback on global change. Results from the DOE- funded research efforts of 1990 and 1991 indicate that the arctic has become a source of CO₂ to the atmosphere. Measurements made in the Barrow, Alaska region during 1992 support these results. This change coincides with recent climatic variation in the arctic, and suggests a positive feedback of arctic ecosystems on atmospheric CO₂ and global change. There are obvious potential errors in scaling plot level measurements to landscape, mesoscale, and global spatial scales. In light of the results from the recent DOE-funded research, and the remaining uncertainties regarding the change in arctic ecosystem function due to high latitude warming, a revised set of research goals is proposed for the 1993--94 year. The research proposed in this application has four principal aspects: (A) Long- term response of arctic plants and ecosystems to elevated atmospheric CO₂. (B) Circumpolar patterns of net ecosystem CO₂ flux. (C) In situ controls by temperature and moisture on net ecosystem CO₂ flux. (D) Scaling of CO₂ flux from plot, to landscape, to regional scales
[Molecular/polymeric magnetism]. Progress report( )

6 editions published between 1991 and 1994 in English and held by 0 WorldCat member libraries worldwide

Work has focused on several aspects of the fundamental chemistry and physics semiconductor/liquid junction behavior. These projects have been directed primarily towards GaAs/liquid contacts, because GaAs/liquid systems provide high energy conversion efficiencies and offer an opportunity to gain mechanistic understanding of the factors that are important to control in an efficient photoelectrochemical energy conversion system
Physical characterization of magmatic liquids. Final report( )

3 editions published between 1991 and 1992 in English and held by 0 WorldCat member libraries worldwide

Long-range goals of this research project are: (1) Characterization of seismic velocity and attenuation (V{sub p}, V{sub S}, Q{sub p}⁻¹, Q{sup S}⁻¹) and electrical properties of selected Hawaiian and related rocks under appropriate controlled environments of pressure, temperature and volatile/fluid content; and, (2) Characterization of the elastic, viscoelastic and thermodynamic properties (V{sub p}, V{sub S}, Q{sub P}⁻¹, Q{sub S}⁻¹, viscosity and compressibility) of molten basalts, picrites and komatites, and related silicate melts to (approximately) 1600°C using the ultrasonic interferometry method. In addition, the pressure dependences of V{sub p}, V{sub S} and bulk modulus will be determined using the Brillouin scattering and diamond- anvil cell techniques
High energy physics( )

3 editions published between 1991 and 1997 in English and held by 0 WorldCat member libraries worldwide

This report discusses research on: the L3, z neutral boson experiment; the L3 detector; and the development of a SSC detector. (LSP)
Final report for the Pre-Freshman Enrichment Program (PREP)( )

3 editions published in 1998 in English and held by 0 WorldCat member libraries worldwide

This project reflected cooperation across the disciplines in the physical sciences, engineering, mathematics and computer science. The University of the Pacific served as the center for this pre-college program. The idea was to use this link as a pilot program
Research in chemical kinetics. Annual report, September 1, 1989--December 31, 1990( )

3 editions published between 1990 and 1991 in English and held by 0 WorldCat member libraries worldwide

This report describes the progress in several projects: gas phase substitution reactions of thermal chlorine atoms with tetramethyl metallo-organic compounds; abstraction reactions by thermal chlorine atoms with tetramethyl metallo-organic compounds; gas phase thermal ³⁸Cl reactions with M(CH{double_bond}CH₂){sub n}: non-RRKM decomposition of excited radicals (M = Sn, Si, n = 4; M = Sb, n = 3; M = Hg, n = 2); quantitative product identification for reactions of hydroxyl with ¹⁴CS₂; and statistical analysis of ground-based measurements of total ozone with Dobson spectrometers. The report also contains a research proposal for work from May, 1991 through April, 1992
[Research technology and graduate education proposal processing]. Final technical report( )

2 editions published between 1998 and 2003 in English and held by 0 WorldCat member libraries worldwide

OAK B202 Final Technical Report. The present generation of reactor analysis methods uses few-group nodal diffusion approximations to calculate full-core eigenvalues and power distributions. The cross sections, diffusion coefficients, and discontinuity factors (collectively called ''group constants'') in the nodal diffusion equations are parameterized as functions of many variables, ranging from the obvious (temperature, boron concentration, etc.) to the more obscure (spectral index, moderator temperature history, etc.). These group constants, and their variations as functions of the many variables, are calculated by assembly-level transport codes. The current methodology has two main weaknesses that this project addressed. The first weakness is the diffusion approximation in the full-core calculation; this can be significantly inaccurate at interfaces between different assemblies. This project used the nodal diffusion framework to implement nodal quasidiffusion equations, which can capture transport effects to an arbitrary degree of accuracy. The second weakness is in the parameterization of the group constants; current models do not always perform well, especially at interfaces between unlike assemblies. The project developed a theoretical foundation for parameterization and homogenization models and used that theory to devise improved models. The new models were extended to tabulate information that the nodal quasidiffusion equations can use to capture transport effects in full-core calculations
Lattice gas hydrodynamics Theory and simulations. Final report, [February 1, 1989--March 31, 1991]( )

4 editions published in 1993 in English and held by 0 WorldCat member libraries worldwide

The first successful application of a microscopic analogy to create a skeleton cellular automaton and analyze it with statistical mechanical tools, was the work of Frisch, Hasslacher and Pomeau on the Navier-Stokes equation in two and three dimensions. This has become a very large research area with lattice gas models and methods being used for both fundamental investigations into the foundations of statistical mechanics and a large number of diverse applications. This present research was devoted to enlarging the fundamental scope of lattice gas models and proved successful. Since the beginning of this proposal, cellular automata have been constructed for statistical mechanical models, fluids, diffusion and shock systems in fundamental investigations. In applied areas, there are now excellent lattice gas models for complex flows through porous media, chemical reaction and combustion dynamics, multiphase flow systems, and fluid mixtures with natural boundaries. With extended cellular fluid models, one can do problems with arbitrary pairwise potentials. Recently, these have been applied to such problems as non-newtonian or polymeric liquids and a mixture of immiscible fluids passing through fractal or spongelike media in two and three dimensions. This proposal has contributed to and enlarged the scope of this work
Combustion-related studies using weakly-bonded complexes. Progress report, August 1, 1992--July 31, 1993( )

3 editions published between 1992 and 1993 in English and held by 0 WorldCat member libraries worldwide

This work is concerned with microscopic-level phenomena of importance in combustion. Weakly bonded adducts formed in supersonic expansions are investigated spectroscopically and used to limit the angles and impact parameters of biomolecular encounters. Also examined are species in which a free radical such as oxygen is bonded to a stable molecule in a shallow well outside the reaction barrier. These species can be used for several studies such as those involving photoinitiated reactions. The main experimental approach uses tunable diode laser absorption spectroscopy to monitor and characterize in detail the complexes of interest, and laser photoinitiation and LIF/MPI detection to examine biomolecular processes in which the adducts are used as precursors. In the first phase of this research, geometries and other molecular properties are being determined from vibrational-rotational spectra. In the second phase, these complexes will be used as precursors to study photoinitiated reactions in precursor geometry limited environments
The perpendicular electron energy flux driven by magnetic fluctuations in the edge of TEXT-U( )

3 editions published between 1994 and 1995 in English and held by 0 WorldCat member libraries worldwide

The two different expressions for the radial particle flux [Lambda] found in the literature, as given by equations (2) and (4), are identical if the parallel electric field is small. The first expression is derivable in a fluid approach, whereas the second follows from the analysis of individual particle orbits. These expressions, without change, are also valid for an arbitrary axisymmetric magnetic geometry. In a situation where the parallel electric field is significant, the more accurate expression for the particle flux is in terms of the standard E x B velocity
Culturally relevant science an approach to math science education for Hispanics( )

3 editions published in 1996 in English and held by 0 WorldCat member libraries worldwide

This report describes later stages of a program to develop culturally relevant science and math programs for Hispanic students. Part of this effort was follow-up with 17 teachers who participated in early stages of the program. Response was not very good. Included with the report is a first draft effort for curriculum materials which could be used as is in such a teaching effort. Several of the participating teachers were invited to a writing workshop, where lesson plans were drafted, and critiqued and following rework are listed in this publication. Further work needs to be completed and is ongoing
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