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527 Matching Results
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527
Job Loss: Causes and Policy Implications
This report provides an overview of the causes and policy implications of job loss in the United States.
Date:
January 12, 2004
Creator:
Labonte, Marc
Object Type:
Report
System:
The UNT Digital Library
A Laminated Track for the Inductrack System: Theory and Experiment
A laminated structure, composed of stacks of thin conducting sheets, has several advantages over a litz-wire ladder as the ''track'' wherein levitating currents are induced by a permanent magnet array on a moving vehicle. Modeling and experimental results for the laminated track are described and evaluated in this paper.
Date:
January 12, 2004
Creator:
Post, R F & Hoburg, J F
Object Type:
Article
System:
The UNT Digital Library
[Letter from Nancy Parrish, January 12, 2004]
Letter from Nancy Parrish welcoming new members to the WASP WWII Museum Association, informing them about upcoming activities, volunteer opportunities and thanking them for being part of the organization.
Date:
January 12, 2004
Creator:
Parrish, Nancy A.
Object Type:
Letter
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 87, No. 82, Ed. 1 Monday, January 12, 2004
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
January 12, 2004
Creator:
King, Christopher R.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Optical Propagation Modeling for the National Ignition Facility
Optical propagation modeling of the National Ignition Facility has been utilized extensively from conceptual design several years ago through to early operations today. In practice we routinely (for every shot) model beam propagation starting from the waveform generator through to the target. This includes the regenerative amplifier, the 4-pass rod amplifier, and the large slab amplifiers. Such models have been improved over time to include details such as distances between components, gain profiles in the laser slabs and rods, transient optical distortions due to the flashlamp heating of laser slabs, measured transmitted and reflected wavefronts for all large optics, the adaptive optic feedback loop, and the frequency converter. These calculations allow nearfield and farfield predictions in good agreement with measurements.
Date:
January 12, 2004
Creator:
Williams, W. H.; Auerbach, J. M.; Henesian, M. A.; Jancaitis, K. S.; Manes, K. R.; Mehta, N. C. et al.
Object Type:
Article
System:
The UNT Digital Library
An ounce of prevention vs. a pound of cure: How can we measure the value of IT security solutions?
This article discusses a framework to evaluate the costs and benefits of IT security solutions using a company's risk profile. This method uses an unconventional concept of benefit based on risk avoided rather than increased productivity.
Date:
January 12, 2004
Creator:
Arora, Ashish; Hall, Dennis; Pinto, C. Ariel; Ramsey, Dwayne & Telang, Rahul
Object Type:
Article
System:
The UNT Digital Library
Partial-Birth Abortion: Recent Developments in the Law
None
Date:
January 12, 2004
Creator:
Shimabukuro, Jon O.
Object Type:
Report
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 111, No. 7, Ed. 1 Monday, January 12, 2004
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 12, 2004
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Physics opportunities at mu+ mu- Higgs factories
We update theoretical studies of the physics opportunities presented by {mu}{sup +} {mu}{sup -} Higgs factories. Interesting measurements of the Standard Model Higgs decays into {bar b}b, {tau}{sup +} {tau}{sup -} and WW* may be possible if the Higgs mass is less than about 160 GeV, as preferred by the precision electroweak data, the mass range being extended by varying appropriately the beam energy resolution. A suitable value of the beam energy resolution would also enable the uncertainty in the b-quark mass to be minimized, facilitating measurements of parameters in the MSSM at such a first {mu}{sup +} {mu}{sup -} Higgs factory. These measurements would be sensitive to radiative corrections to the Higgs-fermion-antifermion decay vertices, which may violate CP. Radiative corrections in the MSSM may also induce CP violation in Higgs-mass mixing, which can be probed via various asymmetries measurable using polarized {mu}{sup +} {mu}{sup -} beams. In addition, Higgs-chargino couplings may be probed at a second {mu}{sup +} {mu}{sup -} Higgs factory.
Date:
January 12, 2004
Creator:
al., C. Blochinger et
Object Type:
Article
System:
The UNT Digital Library
Pressure-Induced Metallization of the Mott Insulator MnO
High-pressure electrical conductivity experiments have been performed on the Mott insulator MnO to a maximum pressure of 106 GPa. We observe a steady decrease in resistivity to 90 GPa, followed by a large, rapid decrease by a factor of 10{sup 5} between 90 and 106 GPa. Temperature cycling the sample at 87 and 106 GPa shows insulating and metallic behavior at these pressures, respectively. Our observations provide strong evidence for a pressure-induced Mott insulator-to-metal transition with an accompanying magnetic collapse beginning at 90 GPa.
Date:
January 12, 2004
Creator:
Patterson, J. R.; Aracne, C. M.; Jackson, D. D.; Weir, S. T.; Malba, V.; Baker, P. A. et al.
Object Type:
Article
System:
The UNT Digital Library
The QCD/SM working group: Summary report
Quantum Chromo-Dynamics (QCD), and more generally the physics of the Standard Model (SM), enter in many ways in high energy processes at TeV Colliders, and especially in hadron colliders (the Tevatron at Fermilab and the forthcoming LHC at CERN), First of all, at hadron colliders, QCD controls the parton luminosity, which rules the production rates of any particle or system with large invariant mass and/or large transverse momentum. Accurate predictions for any signal of possible ''New Physics'' sought at hadron colliders, as well as the corresponding backgrounds, require an improvement in the control of uncertainties on the determination of PDF and of the propagation of these uncertainties in the predictions. Furthermore, to fully exploit these new types of PDF with uncertainties, uniform tools (computer interfaces, standardization of the PDF evolution codes used by the various groups fitting PDF's) need to be proposed and developed. The dynamics of colour also affects, both in normalization and shape, various observables of the signals of any possible ''New Physics'' sought at the TeV scale, such as, e.g. the production rate, or the distributions in transverse momentum of the Higgs boson. Last, but not least, QCD governs many backgrounds to the searches for this ''New …
Date:
January 12, 2004
Creator:
al., W. Giele et
Object Type:
Article
System:
The UNT Digital Library
Recent results in search for new physics at the Tevatron (Run I)
We present some new results on searches for new physics at the Tevatron Run 1 (1992-1996). The topics covered are searches for R-Parity violating and conserving mSUGRA, large extra dimensions in di-photon and monojet channels, leptoquark in jets + E{sub T} channel, and two model independent searches. All results were finalized during the past year.
Date:
January 12, 2004
Creator:
Zhou, John
Object Type:
Article
System:
The UNT Digital Library
Resistive Drift Waves in a Bumpy Torus
A computational study of resistive drift waves in the edge plasma of a bumpy torus is presented. The magnetohydrodynamic equilibrium is obtained from a three-dimensional local equilibrium model. The use of a local magnetohydrodynamic equilibrium model allows for a computationally efficient systematic study of the impact of the magnetic field structure on drift wave stability.
Date:
January 12, 2004
Creator:
Lewandowski, J.L.V.
Object Type:
Report
System:
The UNT Digital Library
The Risk Retention Acts: Background and Issues
None
Date:
January 12, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Safeguarding the Nation’s Drinking Water: EPA and Congressional Actions
None
Date:
January 12, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 88, No. 105, Ed. 1 Monday, January 12, 2004
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 12, 2004
Creator:
Broaddus, Matthew B.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Search for new particles at CDF II
The authors report on the first results from the CDF experiment on search for physics beyond the Standard Model using data from the upgraded TeVatron collider running p{bar p} collisions at {radical}s = 1960 GeV. These first results, although obtained with a total integrated luminosity lower than the total integrated luminosity collected during Run I, are already competitive if not better, due to the increase in the center of mass energy and the improved detector capability.
Date:
January 12, 2004
Creator:
Rolli, Simona
Object Type:
Article
System:
The UNT Digital Library
Search for new phenomena in CDF
The authors present the most recent results and perspectives of the searches for new phenomena at the CDF experiment of the Tevatron collider.
Date:
January 12, 2004
Creator:
Scodellaro, L.
Object Type:
Article
System:
The UNT Digital Library
Taxes, Exports, and International Investment: Proposals in the 108th Congress
None
Date:
January 12, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
U.S. Radioecology Research Programs of the Atomic Energy Commission in the 1950s
This report contains two companion papers about radiological and environmental research that developed out of efforts of the Atomic Energy Commission in the late 1940s and the 1950s. Both papers were written for the Joint U.S.-Russian International Symposium entitled ''History of Atomic Energy Projects in the 1950s--Sociopolitical, Environmental, and Engineering Lessons Learned,'' which was hosted by the International Institute for Applied Systems Analysis in Laxemberg, Austria, in October 1999. Because the proceedings of this symposium were not published, these valuable historic reviews and their references are being documented as a single ORNL report. The first paper, ''U.S. Radioecology Research Programs Initiated in the 1950s,'' written by David Reichle and Stanley Auerbach, deals with the formation of the early radioecological research programs at the U.S. Atomic Energy Commission's nuclear production facilities at the Clinton Engineering Works in Oak Ridge, Tennessee; at the Hanford Plant in Richland, Washington; and at the Savannah River Plant in Georgia. These early radioecology programs were outgrowths of the environmental monitoring programs at each site and eventually developed into the world renowned National Laboratory environmental program sponsored by the Office of Biological and Environmental Research of the U.S. Department of Energy. The original version of the first …
Date:
January 12, 2004
Creator:
Reichle, D.E.
Object Type:
Report
System:
The UNT Digital Library
Visual Data Exploration and Analysis - Report of the VisualizationBreakout Session at the 2003 SCaLeS Workshop - Volume II
This document is the report from the Visualization breakoutsession at the SCaLeS (Science Case for Large-scale Simulation) workshopheld in 2003 in Bethesda, MD. The document presents current researchchallenges in visualization of large-scale scientific data.
Date:
January 12, 2004
Creator:
Bethel, W, E.; Frank, R.; Fulcomer, S.; Hansen, C.; Joy, K.; Kohl, J. et al.
Object Type:
Report
System:
The UNT Digital Library
Visual Data Exploration and Analysis -- Report of theVisualization Breakout Session at the 2003 SCaLeS Workshop - VolumeII
This article describes the role of scientific visualizationin computational and experimental sciences with emphasis upon futureresearch challenges.
Date:
January 12, 2004
Creator:
Bethel, W.; Frank, R.; Fulcomer, S.; Hansen, C.; Joy, k.; Kohl, J. et al.
Object Type:
Book
System:
The UNT Digital Library
VLE MEASUREMENTS FOR ASYMMETRIC MIXTURES OF FISCHER-TROPSCH HYDROCARBONS
The ability to model the thermodynamic phase behavior of long-chain and short-chain alkane mixtures is of considerable industrial and theoretical interest. However, attempts to accurately describe the phase behavior of what we call asymmetric mixtures of hydrocarbons (AMoHs) have met with only limited success. Vapor-liquid equilibrium (VLE) data are surprisingly scarce, and the limited data that are available suggest that cubic equations of state may not be capable of fitting (much less predicting) the phase behavior of AMoHs. The following tasks, which address the problems described above, were accomplished during the one-year period of this Phase I UCR grant: (1) A continuous-flow apparatus was modified for the measurement of AMoHs and used to measure VLE for propane + hexadecane mixtures at temperatures from 473 to 626 K and pressures up to the mixture critical pressures of about 100 bar. (2) The extent to which cubic vs. modern, statistical mechanics-based equations of state (EoS) are applicable to AMoHs was evaluated. Peng-Robinson (PR) was found to be a surprisingly accurate equation for fitting AMoHs, but only if its pure component parameters were regressed to liquid densities and vapor pressures. However, even this form of PR was still not a predictive equation, as …
Date:
January 12, 2004
Creator:
Thies, Mark C.
Object Type:
Report
System:
The UNT Digital Library