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490 Matching Results
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1.5-GEV FFAG ACCELERATOR AS INJECTOR TO THE BNL-AGS.
A 1.5-GeV Fixed-Field Alternating-Gradient (FFAG) proton Accelerator is being studied as a new injector to the Alternating-Gradient Synchrotron (AGS) of Brookhaven National Laboratory (BNL). The major benefit is that it would considerably shorten the overall AGS acceleration cycle, and, consequently, may yield to an improvement of beam stability, intensity and size. The AGS-FFAG will also facilitate the proposed upgrade of the AGS facility toward a 1-MW average proton beam power at the top energy of 28 GeV. This paper describes the FFAG design for acceleration of protons from 400 MeV to 1.5 GeV, with the same circumference of the AGS, and entirely housed in the AGS tunnel.
Date:
July 5, 2004
Creator:
Ruggiero, A. G.; Blaskiewicz, M.; Trbojevic, D.; Tsoupas, N. & Zhang, W.
Object Type:
Article
System:
The UNT Digital Library
01-ERD-111 - The Development of Synthetic High Affinity Ligands
The aim of this project was to develop Synthetic High-Affinity Ligands (SHALs), which bind with high affinity and specificity to proteins of interest for national security and cancer therapy applications. The aim of producing synthetic ligands for sensory devices as an alternative to antibody-based detection assays and therapeutic agents is to overcome the drawbacks associated with antibody-based in next-generation sensors and systems. The focus area of the project was the chemical synthesis of the SHALs. The project concentrated on two different protein targets. (a) The C fragment of tetanus and botulinum toxin, potential biowarfare agents. A SHAL for tetanus or botulinum toxin would be incorporated into a sensory device for the toxins. (b) HLA-DR10, a protein found in high abundance on the surface of Non-Hodgkins Lymphoma. A SHAL specific to a tumor marker, labeled with a radionuclide, would enable the targeted delivery of radiation therapy to metastatic disease. The technical approach used to develop a SHAL for each protein target will be described in more detail below. However, in general, the development of a SHAL requires a combination of computational modeling techniques, modern nuclear magnetic resonance spectroscopy (NMR) and synthetic chemistry.
Date:
February 5, 2004
Creator:
Perkins, J; Balhorn, R; Cosman, M; Lightstone, F & Zeller, L
Object Type:
Report
System:
The UNT Digital Library
9/11 Terrorism: Global Economic Costs
The 9/11 attacks were part of Al Qaeda’s strategy to disrupt Western economies and impose both direct and secondary costs on the United States and other nations. The immediate costs were the physical damage, loss of lives and earnings, slower world economic growth, and capital losses on stock markets. Indirect costs include higher insurance and shipping fees, diversion of time and resources away from enhancing productivity to protecting and insuring property, public loss of confidence, and reduced demand for travel and tourism. In a broader sense, the 9/11 attacks led to the invasions and occupations of Afghanistan and Iraq (and the Global War on Terrorism) and perhaps emboldened terrorists to attack in Bali, Spain, Morocco, and Saudi Arabia. A policy question for Congress is how to evaluate the costs and benefits of further spending to counter terrorism and its economic impact.
Date:
October 5, 2004
Creator:
Nanto, Dick K.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 33, No. 19, Ed. 1 Friday, March 5, 2004
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 5, 2004
Creator:
Pound, Jaylynn Christian
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 34, No. 9, Ed. 1 Friday, November 5, 2004
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 5, 2004
Creator:
Delaney, Darcy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The 1997/98 El Nino: A Test for Climate Models
Version 3 of the Hadley Centre Atmospheric Model (HadAM3) has been used to demonstrate one means of comparing a general circulation model with observations for a specific climate perturbation, namely the strong 1997/98 El Nino. This event was characterized by the collapse of the tropical Pacific's Walker circulation, caused by the lack of a zonal sea surface temperature gradient during the El Nino. Relative to normal years, cloud altitudes were lower in the western portion of the Pacific and higher in the eastern portion. HadAM3 likewise produced the observed collapse of the Walker circulation, and it did a reasonable job of reproducing the west/east cloud structure changes. This illustrates that the 1997/98 El Nino serves as a useful means of testing cloud-climate interactions in climate models.
Date:
March 5, 2004
Creator:
Lu, R; Dong, B; Cess, R D & Potter, G L
Object Type:
Article
System:
The UNT Digital Library
The 2004 Insurance Broker Investigations: An Overview
From Summary: This report briefly summarizes the events that occurred and the issues, they raised in regards to violations of state laws, against Marsh & McClennan Companies and Marsh, Inc, which the Attorney General of the Sate of New York filling a civil law suit.
Date:
November 5, 2004
Creator:
Webel, Baird
Object Type:
Report
System:
The UNT Digital Library
2004 Molecular and Ionic Clusters Gordon Conference - September 5-10, 2004
This Report is Gordon Conference Molecular and Ionic Clusters Final Report and Agenda.
Date:
September 5, 2004
Creator:
Zwier, Timoty S.
Object Type:
Article
System:
The UNT Digital Library
39th Annual National Magazine Award Winners Announced
Article containing a list of 39th annual National Magazine Award winners.
Date:
May 5, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
3D Computations and Experiments
This project consists of two activities. Task A, Simulations and Measurements, combines all the material model development and associated numerical work with the materials-oriented experimental activities. The goal of this effort is to provide an improved understanding of dynamic material properties and to provide accurate numerical representations of those properties for use in analysis codes. Task B, ALE3D Development, involves general development activities in the ALE3D code with the focus of improving simulation capabilities for problems of mutual interest to DoD and DOE. Emphasis is on problems involving multi-phase flow, blast loading of structures and system safety/vulnerability studies.
Date:
April 5, 2004
Creator:
Couch, R; Faux, D; Goto, D & Nikkel, D
Object Type:
Report
System:
The UNT Digital Library
ACCELERATION OF POLARIZED BEAMS USING MULTIPLE STRONG PARTIAL SIBERIAN SNAKES.
Acceleration of polarized protons in the energy range of 5 to 25 GeV is particularly difficult since depolarizing spin resonances are strong enough to cause significant depolarization but full Siberian snakes cause intolerably large orbit excursions. Using a 20-30% partial Siberian snake both imperfection and intrinsic resonances can be overcome. Such a strong partial Siberian snake was designed for the Brookhaven AGS using a dual pitch helical superconducting dipole. Multiple strong partial snakes are also discussed for spin matching at beam injection and extraction.
Date:
July 5, 2004
Creator:
ROSER,T. AHRENS,L. BAI,M. ET AL.
Object Type:
Article
System:
The UNT Digital Library
Accelerator/Experiment Operations - FY 2001 Through FY 2003
This Technical Memorandum (TM) summarizes the accelerator and experiment operations for the period FY 2001 through FY 2003. The plan is to have an annual TM to gather such information in one place. In this case, the information concerns the startup of Run II at the Tevatron Collider and the beginning of the MiniBooNE neutrino experiment. While the focus is on the FY 2003 efforts, this document includes summaries of the earlier years where available for completeness.
Date:
February 5, 2004
Creator:
al., Jeffrey A. Appel et
Object Type:
Report
System:
The UNT Digital Library
Acceleressence: Dark energy from a phase transition at the seesawscale
Simple models are constructed for ''acceleressence'' dark energy: the latent heat of a phase transition occurring in a hidden sector governed by the seesaw mass scale v{sup 2}/M{sub Pl}, where v is the electroweak scale and M{sub Pl} the gravitational mass scale. In our models, the seesaw scale is stabilized by supersymmetry, implying that the LHC must discover superpartners with a spectrum that reflects a low scale of fundamental supersymmetry breaking. Newtonian gravity may be modified by effects arising from the exchange of fields in the acceleressence sector whose Compton wavelengths are typically of order the millimeter scale. There are two classes of models. In the first class the universe is presently in a metastable vacuum and will continue to inflate until tunneling processes eventually induce a first order transition. In the simplest such model, the range of the new force is bounded to be larger than 25 {micro}m in the absence of fine-tuning of parameters, and for couplings of order unity it is expected to be {approx} 100 {micro}m. In the second class of models thermal effects maintain the present vacuum energy of the universe, but on further cooling, the universe will ''soon'' smoothly relax to a matter dominated …
Date:
October 5, 2004
Creator:
Chacko, Z.; Hall, Lawrence J. & Nomura, Yasunori
Object Type:
Article
System:
The UNT Digital Library
Accuracy of Density Functional Theory for First-Principles Simulations of Water
None
Date:
August 5, 2004
Creator:
Schwegler, E.; Grossman, J.; Draeger, E.; Allesch, M.; Gygi, F. & Galli, G.
Object Type:
Article
System:
The UNT Digital Library
Acoustic Detecting and Locating Gas Pipe Line Infringement Quarterly Report: Number 6
The power point presentation for the Natural Gas Technologies II Conference held on February 8-11, 2004 in Phoenix AZ, published the presentations made at the conference, therefore required all presenters to submit their presentation prior to November 2003. However in the remainder of year, significant new test data became available which were incorporated in the actual presentation made at the Natural Gas Technologies II Conference. The 6th progress report presents the updated actual slide show used during the paper presentation by Richard Guiler.
Date:
January 5, 2004
Creator:
LOTH, John L.; MORRIS, GARY J.; PALMER, GEORGE M. & GUILER, RICHARD
Object Type:
Report
System:
The UNT Digital Library
Actinic Mask Inspection at the Als: Risk Reduction Activities for 2003
This document reports on risk reduction activities performed at the VNL during CY2003 as a part of the Lith-343 actinic inspection project funded by International SEMATECH. The risk reduction activities described in this document comprise deliverable items 3.1.3, 3.1.4, 3.1.5 and 3.1.6 of Amendment 6 to the VNL EUV mask blank technology transfer contract.
Date:
January 5, 2004
Creator:
Barty, A.; Levesque, R.; Ayers, J.; Liu, Y.; Gullikson, E. & Barale, P.
Object Type:
Report
System:
The UNT Digital Library
Actinide Spectroscopy Workshop
Actinide materials present an extreme scientific challenge to the materials research community. The complex electronic structures of actinide materials result in many unusual and unique properties that have yet to be fully understood. The difficulties in handling, preparing, and characterizing actinide materials has frequently precluded investigations and has the limited the detailed understanding of these relevant, complex materials. However, modern experiments with actinide materials have the potential to provide key, fundamental information about many long-standing issues concerning actinide materials. This workshop focused on the scientific and technical challenges posed by actinide materials and the potential that synchrotron radiation approaches available at the ALS can contribute to improving the fundamental understanding of actinides materials. Fundamental experimental approaches and results, as well as theoretical modeling and computational simulations, were part of the workshop program.
Date:
December 5, 2004
Creator:
Tobin, J.G. & Shuh, D.K.
Object Type:
Article
System:
The UNT Digital Library
Adapting high-resolution speckle imaging to moving targets and platforms
High-resolution surveillance imaging with apertures greater than a few inches over horizontal or slant paths at optical or infrared wavelengths will typically be limited by atmospheric aberrations. With static targets and static platforms, we have previously demonstrated near-diffraction limited imaging of various targets including personnel and vehicles over horizontal and slant paths ranging from less than a kilometer to many tens of kilometers using adaptations to bispectral speckle imaging techniques. Nominally, these image processing methods require the target to be static with respect to its background during the data acquisition since multiple frames are required. To obtain a sufficient number of frames and also to allow the atmosphere to decorrelate between frames, data acquisition times on the order of one second are needed. Modifications to the original imaging algorithm will be needed to deal with situations where there is relative target to background motion. In this paper, we present an extension of these imaging techniques to accommodate mobile platforms and moving targets.
Date:
February 5, 2004
Creator:
Carrano, C J & Brase, J M
Object Type:
Article
System:
The UNT Digital Library
The Advanced Chemistry Basins Project: Final Report
In the next decades, oil exploration by majors and independents will increasingly be in remote, inaccessible areas, or in areas where there has been extensive shallow exploration but deeper exploration potential may remain; areas where the collection of data is expensive, difficult, or even impossible, and where the most efficient use of existing data can drive the economics of the target. The ability to read hydrocarbon chemistry in terms of subsurface migration processes by relating it to the evolution of the basin and fluid migration is perhaps the single technological capability that could most improve our ability to explore effectively because it would allow us to use a vast store of existing or easily collected chemical data to determine the major migration pathways in a basin and to determine if there is deep exploration potential. To this end a the DOE funded a joint effort between California Institute of Technology, Cornell University, and GeoGroup Inc. to assemble a representative set of maturity and maturation kinetic models and develop an advanced basin model able to predict the chemistry of hydrocarbons in a basin from this input data. The four year project is now completed and has produced set of public domain …
Date:
April 5, 2004
Creator:
Goddard, William; Meulbroek, Peter; Tang, Yongchun & Cathles, Lawrence, III
Object Type:
Report
System:
The UNT Digital Library
The Adverse Effect Wage Rate (AEWR)
This report introduces the adverse effect wage rate (AEWR) and the concerns out of which it grew, from the perspective of labor policy (not of immigration policy). American agricultural employers have long utilized foreign workers on a temporary basis, regarding them as an important manpower resource. Often employed at low wages and under adverse conditions, such alien workers, some argue, may compete unfairly with U.S. workers. To mitigate any "adverse effect" for the domestic workforce, a system of wage floors was developed that applies, variously, both to alien and citizen workers.
Date:
April 5, 2004
Creator:
Whittaker, William G.
Object Type:
Report
System:
The UNT Digital Library
AGOA III: Amendment to the African Growth and Opportunity Act
This report discusses the African Growth and Opportunity Act, which seeks to spur economic development and help integrate Africa into the world trading system by granting trade preferences and other benefits to Sub-Saharan African countries that meet certain criteria relating to market reform and human rights.
Date:
April 5, 2004
Creator:
Langton, Danielle
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 128, No. 35, Ed. 1 Thursday, February 5, 2004
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
February 5, 2004
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 129, No. 10, Ed. 1 Thursday, August 5, 2004
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
August 5, 2004
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 105, No. 251, Ed. 1 Monday, January 5, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 5, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History