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Compound-Nucleus Formation Following Direct Interactions to Highly-Excited Final States
When direct reactions populate highly excited, unbound configurations in the residual nucleus, the nucleus may further evolve into a compound nucleus. Alternatively, the residual system may decay by emitting particles into the continuum. Understanding the relative weights of these two processes as a function of the angular momentum and parity deposited in the nucleus is important for the surrogate-reaction technique. A particularly interesting case is compound-nucleus formation via the (d, p) reaction, which may be a useful tool for forming compound nuclei off the valley of stability in inverse-kinematics experiments. We present here a study of the compound formation probability for a closely-related direct reaction, direct-semidirect radiative neutron capture.
Date:
February 5, 2008
Creator:
Dietrich, F S
Object Type:
Article
System:
The UNT Digital Library
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES): Background and Issues
This report provides background information on the structure of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the enforcement of CITES in the United States, and implementing issues related to CITES.
Date:
February 5, 2008
Creator:
Sheikh, Pervaze A. & Corn, M. L.
Object Type:
Report
System:
The UNT Digital Library
Development of a New Stratigraphic Trap Exploration Using Elastic-Wave Seismic Technology
Vecta acquired 9 square miles of 9-C seismic data in Mountrail County, North Dakota with the Mission Canyon shoreline as a primary target. Vecta contracted the Institute Francais du Petrole in order to co-develop a more rigorous multicomponent seismic interpretation product. The final interpretation was very unique in that it utilized not only the 9-C seismic data but also the new jointly developed software. A Mission Canyon anomaly was developed in 2006; however, it was of insufficient size to be a commercial target at the time. Therefore, Vecta analyzed the shear data for anisotropy within the Bakken formation and successfully reentered an abandoned producer within the project area and drilled a horizontal leg through the anomalous zones of the middle member of the Bakken formation. The well was open hole completed, swab tested, sand fraced, and swab tested some more. No shows of oil were ever seen from the Bakken formation, but the well yielded considerable amounts of formation water. The well has been abandoned as non-commercial. From the swab tests, one may conclude considerable permeability exists in the formation, thus confirming the utility of the shear wave to detect fractures within the targeted formation.
Date:
February 5, 2008
Creator:
DeVault, Bryan
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, February 5, 2008
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 5, 2008
Creator:
Wilson, Chris
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Faculty Recital: 2008-02-05 - Jeff Bradetich, double bass
Access:
Use of this item is restricted to the UNT Community
Recital performed at the UNT College of Music Concert Hall.
Date:
February 5, 2008
Creator:
Bradetich, Jeff
Object Type:
Sound
System:
The UNT Digital Library
Federal Land Management: Federal Land Transaction Facilitation Act Restrictions and Management Weaknesses Limit Future Sales and Acquisitions
A letter report issued by the Government Accountability Office with an abstract that begins "The U.S. Department of the Interior's Bureau of Land Management (BLM), Fish and Wildlife Service, and National Park Service, and the U.S. Department of Agriculture's Forest Service manage about 628 million acres of public land, mostly in the 11 western states and Alaska. Under the Federal Land Transaction Facilitation Act (FLTFA), revenue raised from selling BLM lands is available to the agencies, primarily to acquire nonfederal land within the boundaries of land they already own--known as inholdings, which can create significant land management problems. To acquire land, the agencies can nominate parcels under state-level interagency agreements or the Secretaries can use their discretion to initiate acquisitions. FLTFA expires in 2010. GAO was asked to determine (1) FLTFA revenue generated, (2) challenges to future sales, (3) FLTFA expenditures, and (4) challenges to future acquisitions. To address these issues, GAO interviewed officials and examined the act, agency guidance, and FLTFA sale and acquisition data."
Date:
February 5, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
The Federal Networking and Information Technology Research and Development Program: Funding Issues and Activities
None
Date:
February 5, 2008
Creator:
Figliola, Patricia Moloney
Object Type:
Report
System:
The UNT Digital Library
Federal Research and Development Funding: FY2008
This report discusses the U.S. research and development (R&D) enterprise, and its support for federal R&D activities.
Date:
February 5, 2008
Creator:
Sargent, John F.; Matthews, Christine M.; Moteff, John D.; Morgan, Daniel; Smith, Pamela W. & Morrissey, Wayne A.
Object Type:
Report
System:
The UNT Digital Library
FY07 LDRD Final Report A Fracture Mechanics and Tribology Approach to Understanding Subsurface Damage on Fused Silica during Grinding and Polishing
The objective of this work is to develop a solid scientific understanding of the creation and characteristics of surface fractures formed during the grinding and polishing of brittle materials, specifically glass. In this study, we have experimentally characterized the morphology, number density, and depth distribution of various surface cracks as a function of various grinding and polishing processes (blanchard, fixed abrasive grinding, loose abrasive, pitch polishing and pad polishing). Also, the effects of load, abrasive particle (size, distribution, foreign particles, geometry, velocity), and lap material (pitch, pad) were examined. The resulting data were evaluated in terms of indentation fracture mechanics and tribological interactions (science of interacting surfaces) leading to several models to explain crack distribution behavior of ground surfaces and to explain the characteristics of scratches formed during polishing. This project has greatly advanced the scientific knowledge of microscopic mechanical damage occurring during grinding and polishing and has been of general interest. This knowledge-base has also enabled the design and optimization of surface finishing processes to create optical surfaces with far superior laser damage resistance. There are five major areas of scientific progress as a result of this LDRD. They are listed in Figure 1 and described briefly in this …
Date:
February 5, 2008
Creator:
Suratwala, T I; Miller, P E; Menapace, J A; Wong, L L; Steele, R A; Feit, M D et al.
Object Type:
Report
System:
The UNT Digital Library
General Overview of U.S. Copyright Law
This report provides a general overview of copyright law and briefly summarizes the major provisions of the U.S Copyright Act
Date:
February 5, 2008
Creator:
Yeh, Brian T.
Object Type:
Report
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 39, No. 1, Ed. 1 Tuesday, February 5, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
February 5, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 39, No. 2, Ed. 1 Tuesday, February 5, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
February 5, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Initial MAR Assessments to Access the Impact of Al-Dissolution on DWPF Operating Windows
SRNL was tasked to provide an assessment of the downstream impacts (or lack thereof) to DWPF of decisions regarding the implementation of Al-dissolution to support sludge mass reduction and processing. Based on future sludge batch compositional projections, assessments have been made with respect to the ability to maintain comparable projected operating windows for sludges with high temperature Al-dissolution and without Al-dissolution. In general, paper study assessments indicated that most of the future sludge batches (twelve with and fourteen without high temperature Al-dissolution) had multiple frits available that yielded relatively large operating windows. The projected operating windows were defined by the waste loading (WL) interval over which glasses were classified as acceptable based on current process control models and their related constraints. Although multiple frits were identified, using a 17-point width as a general guide for a reasonable operating window (e.g., 25-41% WL), there generally appeared to be more flexibility in frit selection for the without Al-dissolution flowsheets. This larger frit compositional platform could allow frit development efforts to make more significant adjustments to melt rate. However, based on the general observations of the paper study, there is essentially no clear distinction between the two options with which to drive a …
Date:
February 5, 2008
Creator:
Newell, J. D.; Edwards, T. B. & Peeler, D. K.
Object Type:
Report
System:
The UNT Digital Library
INL SITEWIDE INSTITUTIONAL CONTROLS, AND OPERATIONS AND MAINTENANCE PLAN FOR CERCLA RESPONSE ACTIONS
On November 9, 2002, the U.S. Environmental Protection Agency, the U.S. Department of Energy, and the Idaho Department of Environmental Quality approved the 'Record of Decision Experimental Breeder Reactor-I/Boiling Water Reactor Experiment Area and Miscellaneous Sites', which required a Site-wide institutional controls plan for the then Idaho National Engineering and Environmental Laboratory (now known as the Idaho National Laboratory). This document, first issued in June 2004, fulfilled that requirement. This revision identifies and consolidates the institutional controls and operations and maintenance requirements into a single document.
Date:
February 5, 2008
Creator:
Jolley, Wendell L.
Object Type:
Report
System:
The UNT Digital Library
Judicial Salary: Current Issues and Options for Congress
This report reviews the most common arguments that have been advanced in recent years for and against raising federal judicial salaries.
Date:
February 5, 2008
Creator:
Scott, Kevin M.
Object Type:
Report
System:
The UNT Digital Library
The Kurds in Post-Saddam Iraq
None
Date:
February 5, 2008
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Legislative, Executive, and Judicial Officials: Process for Adjusting Pay and Current Salaries
None
Date:
February 5, 2008
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Military Funeral Honors and Military Cemetaries: Frequently Asked Questions
This report is written in response to frequently asked questions about military funeral honors and military cemeteries. The report also provides information on the eligibility criteria, required components of the honor detail, and the funeral ceremony. It also cites legislation that mandates that the Department of Defense (DOD) make military funeral honors available to every eligible veteran upon request.
Date:
February 5, 2008
Creator:
Oboroceanu, Mari-Jana "M-J"
Object Type:
Report
System:
The UNT Digital Library
NATO Enlargement: Senate Advice and Consent
None
Date:
February 5, 2008
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Non-magnetic compensation in ferromagnetic Ga1-xMnxAs and Ga1-xMnxP synthesized by ion implantation and pulsed-laser melting
The electronic and magnetic effects of intentional compensation with non-magnetic donors are investigated in the ferromagnetic semiconductors Ga1-xMnxAs and Ga1-xMnxP synthesized using ion implantation and pulsed-laser melting (II-PLM). It is demonstrated that compensation with non-magnetic donors and MnI have similarqualitative effects on materials properties. With compensation TC decreases, resistivity increases, and stronger magnetoresistance and anomalous Hall effect attributed to skew scattering are observed. Ga1-xMnxAs can be controllably compensated with Te through a metal-insulator transition through which the magnetic and electrical properties vary continuously. The resistivity of insulating Ga1-xMnxAs:Te can be described by thermal activation to the mobility edge and simply-activated hopping transport. Ga1-xMnxP doped with S is insulating at all compositions but shows decreasing TC with compensation. The existence of a ferromagnetic insulating state in Ga1-xMnxAs:Te and Ga1-xMnxP:S having TCs of the same order as the uncompensated materials demonstrates that localized holes are effective at mediating ferromagnetism in ferromagnetic semiconductors through the percolation of ferromagnetic 'puddles' which at low temperatures.
Date:
February 5, 2008
Creator:
Scarpulla, M. A.; Stone, P. R.; Sharp, I. D.; Haller, E. E.; Dubon, O. D.; Beeman, J. W. et al.
Object Type:
Article
System:
The UNT Digital Library
North Korea’s Nuclear Weapons: Latest Developments
None
Date:
February 5, 2008
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
North Texas Daily (Denton, Tex.), Vol. 91, No. 13, Ed. 1 Tuesday, February 5, 2008
Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date:
February 5, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Occupational Medicine Implications of Engineered Nanoscale Particulate Matter
None
Date:
February 5, 2008
Creator:
Kelly, Richard & Kelly, Richard J.
Object Type:
Article
System:
The UNT Digital Library
Oil Spills in U.S. Coastal Waters: Background, Governance, and Issues for Congress
This report focuses on oil spills in U.S. coastal waters. The first section highlights background issues, including oil spill statistics and potential environmental impacts. The second section discusses the legal framework that governs oil spill prevention and response. The third section examines the threat of future oil spills in coastal waters and whether response personnel are prepared to respond to a major spill. The final section highlights recent legislative activity.
Date:
February 5, 2008
Creator:
Ramseur, Jonathan L.
Object Type:
Report
System:
The UNT Digital Library