Degree Department

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Altus Times (Altus, Okla.), Vol. 107, No. 327, Ed. 1 Tuesday, April 25, 2006 (open access)

Altus Times (Altus, Okla.), Vol. 107, No. 327, Ed. 1 Tuesday, April 25, 2006

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: April 25, 2006
Creator: Bush, Michael
Object Type: Newspaper
System: The Gateway to Oklahoma History
Application of Imaging Plate to X-Ray Imaging and Spectroscopy in Laser Plasma Experiments (open access)

Application of Imaging Plate to X-Ray Imaging and Spectroscopy in Laser Plasma Experiments

We report recent progress of x-ray diagnostic techniques in laser plasma experiment with using imaging plates. Imaging plate is a photo-stimulable phosphor screen (BaF(Br0.85,10.15):Eu{sup 2+}) deposited on flexible metal or plastic substrate. We applied the imaging plate to x-ray microscopy in laser fusion experiment experiments. Self-emission x-ray images of imploded core were obtained successfully with using imaging plate and high magnification target mounted pinhole arrays. The imaging plates were applied also in ultra-intense laser experiment at the Rutherford Appleton Laboratory. Small samarium foil was irradiated by high intensity laser pulse from the Vulcan laser system. The k shell x-rays from the foil ({approx}40keV) was used as a line x-ray source for microscopic radiography. Performance of imaging plate on high-energy x-ray backlit radiography was demonstrated by imaging sinusoidal grooves of 6um amplitude on a Au foil. Detailed spectrum of k shell x-ray from Cu embedded foil target was successfully observed by fully coupling imaging plate with a highly ordered pyrolytic graphite crystal spectrometer. The performances of the imaging plates evaluated in actual laser plasma experiments will be presented.
Date: April 25, 2006
Creator: Izumi, N.; Snavely, R.; Gregori, G.; Koch, J. A.; Park, H. & Remington, B. A.
Object Type: Article
System: The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 85, No. 136, Ed. 1 Tuesday, April 25, 2006 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 85, No. 136, Ed. 1 Tuesday, April 25, 2006

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: April 25, 2006
Creator: Cash, Wanda Garner
Object Type: Newspaper
System: The Portal to Texas History
Boerne Star & Recorder (Boerne, Tex.), Vol. 100, No. 33, Ed. 1 Tuesday, April 25, 2006 (open access)

Boerne Star & Recorder (Boerne, Tex.), Vol. 100, No. 33, Ed. 1 Tuesday, April 25, 2006

Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date: April 25, 2006
Creator: Cartwright, Brian
Object Type: Newspaper
System: The Portal to Texas History
Bootstrapping One-Loop QCD Amplitudeswith General Helicities (open access)

Bootstrapping One-Loop QCD Amplitudeswith General Helicities

The recently developed on-shell bootstrap for computing one-loop amplitudes in non-supersymmetric theories such as QCD combines the unitarity method with loop-level on-shell recursion. For generic helicity configurations, the recursion relations may involve undetermined contributions from non-standard complex singularities or from large values of the shift parameter. Here we develop a strategy for sidestepping difficulties through use of pairs of recursion relations. To illustrate the strategy, we present sets of recursion relations needed for obtaining n-gluon amplitudes in QCD. We give a recursive solution for the one-loop n-gluon QCD amplitudes with three or four color-adjacent gluons of negative helicity and the remaining ones of positive helicity. We provide an explicit analytic formula for the QCD amplitude A{sub 6;1}(1{sup -}, 2{sup -}, 3{sup -}, 4{sup +}, 5{sup +}, 6{sup +}), as well as numerical results for A{sub 7;1}(1{sup -}, 2{sup -}, 3{sup -}, 4{sup +}, 5{sup +}, 6{sup +}, 7{sup +}), A{sub 8;1}(1{sup -}, 2{sup -}, 3{sup -}, 4{sup +}, 5{sup +}, 6{sup +}, 7{sup +}, 8{sup +}), and A{sub 8;1}(1{sup -}, 2{sup -}, 3{sup -}, 4{sup -}, 5{sup +}, 6{sup +}, 7{sup +}, 8{sup +}). We expect the on-shell bootstrap approach to have widespread applications to phenomenological studies at colliders.
Date: April 25, 2006
Creator: Berger, Carola F.; Bern, Zvi; Dixon, Lance J.; Forde, Darren & Kosower, David A.
Object Type: Report
System: The UNT Digital Library
Broadband dielectric function of non-equilibrium warm dense gold (open access)

Broadband dielectric function of non-equilibrium warm dense gold

We report on the first single-state measurement of the broadband (450-800 nm) dielectric function of gold isochorically heated by a femtosecond laser pulse to energy densities of 10{sup 6}-10{sup 7} J/kg. A Drude and an inter-band component are clearly seen in the imaginary part of the dielectric function. The Drude component increases with energy density while the inter-band component shows both enhancement and red shift. This is in strong disagreement with predictions of a recent calculation of dielectric function based on limited k-point sampling.
Date: April 25, 2006
Creator: Ping, Y.; Hanson, D.; Koslow, I.; Ogitsu, T.; Prendergast, D.; Schwegler, E. et al.
Object Type: Article
System: The UNT Digital Library
CH Packaging Program Guidance (open access)

CH Packaging Program Guidance

The purpose of this document is to provide the technical requirements for preparation for use, operation, inspection, and maintenance of a Transuranic Package TransporterModel II (TRUPACT-II), a HalfPACT shipping package, and directly related components. This document complies with the minimum requirements as specified in the TRUPACT-II Safety Analysis Report for Packaging (SARP), HalfPACT SARP, and U.S. Nuclear Regulatory Commission (NRC) Certificates of Compliance (C of C) 9218 and 9279, respectively. In the event of a conflict between this document and the SARP or C of C, the C of C shall govern. The C of Cs state: "each package must be prepared for shipment and operated in accordance with the procedures described in Chapter 7.0, Operating Procedures, of the application." They further state: "each package must be tested and maintained in accordance with the procedures described in Chapter 8.0, Acceptance Tests and Maintenance Program of the Application." Chapter 9.0 of the SARP charges the U.S. Department of Energy (DOE) or the Waste Isolation Pilot Plant| (WIPP) management and operating (M&O) contractor with assuring packaging is used in accordance with the requirements of the C of C. Because the packaging is NRC-approved, users need to be familiar with Title 10 Code …
Date: April 25, 2006
Creator: None, None
Object Type: Report
System: The UNT Digital Library
Climate Change: EPA and DOE Should Do More to Encourage Progress Under Two Voluntary Programs (open access)

Climate Change: EPA and DOE Should Do More to Encourage Progress Under Two Voluntary Programs

A letter report issued by the Government Accountability Office with an abstract that begins "To reduce greenhouse gas emissions linked to climate change, two voluntary programs encourage participants to set emissions reduction goals. The Climate Leaders Program, managed by the Environmental Protection Agency (EPA), focuses on firms. The Climate VISION (Voluntary Innovative Sector Initiatives: Opportunities Now) Program, managed by the Department of Energy (DOE) along with other agencies, focuses on trade groups. GAO examined (1) participants' progress in completing program steps, the agencies' procedures for tracking progress, and their policies for dealing with participants that are not progressing as expected; (2) the types of emissions reduction goals established by participants; and (3) the agencies' estimates of the share of U.S. greenhouse gas emissions that their programs account for and their estimates of the programs' impacts on U.S. emissions."
Date: April 25, 2006
Creator: United States. Government Accountability Office.
Object Type: Report
System: The UNT Digital Library
Community Development Block Grant Funds in Disaster Relief and Recovery (open access)

Community Development Block Grant Funds in Disaster Relief and Recovery

This report provides an overview of the use of the Community Development Block Grant (CDBG) program in disaster relief.
Date: April 25, 2006
Creator: Boyd, Eugene
Object Type: Report
System: The UNT Digital Library
Dallas codigo municipal (open access)

Dallas codigo municipal

This article deals with the various ways that the Dallas city council is seeking to inform Hispanics about laws in the municipal code. Both the original Spanish article and the English translation are included.
Date: April 25, 2006
Creator: Castillo, José L.
Object Type: Text
System: The UNT Digital Library
DART all day for less than a gallon of gas; All month for less than a tank! (open access)

DART all day for less than a gallon of gas; All month for less than a tank!

News release advertising DART's transit passes as a more cost effective investment that paying for expensive gasoline.
Date: April 25, 2006
Creator: Lyons, Morgan
Object Type: Text
System: The Portal to Texas History
DART Music Station ofrece conciertos gratis en estaciones de tren (open access)

DART Music Station ofrece conciertos gratis en estaciones de tren

News release about a performance by the Spanish rock band Morvius at DART's West End Station.
Date: April 25, 2006
Creator: Lyons, Morgan
Object Type: Text
System: The Portal to Texas History
District of Columbia: FY2006 Appropriations (open access)

District of Columbia: FY2006 Appropriations

None
Date: April 25, 2006
Creator: Boyd, Eugene; Krouse, William J. & Smole, David P.
Object Type: Report
System: The UNT Digital Library
[Email from Jeannette Goodrum to Eleanor Brown, April 25, 2006] (open access)

[Email from Jeannette Goodrum to Eleanor Brown, April 25, 2006]

Email from Jeannette Goodrum to Eleanor Brown responding to Brown's request for more information about the reunion in Portland.
Date: April 25, 2006
Creator: Goodrum, Jeannette
Object Type: Letter
System: The Portal to Texas History

Ensemble: 2006-04-25 – Flute Choir

Access: Use of this item is restricted to the UNT Community
Flute choir concert performed at the UNT College of Music Recital Hall
Date: April 25, 2006
Creator: Harman, Maria D.
Object Type: Sound
System: The UNT Digital Library

Ensemble: 2006-04-25 – Latin Jazz Ensemble

Access: Use of this item is restricted to the UNT Community
Latin jazz concert performed at the UNT College of Music Kenton Hall
Date: April 25, 2006
Creator: University of North Texas. Latin Jazz Ensemble.
Object Type: Sound
System: The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, April 25, 2006 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, April 25, 2006

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: April 25, 2006
Creator: Bush, Kent
Object Type: Newspaper
System: The Gateway to Oklahoma History
Federal Credit Reform: Implementation Of the Changed Budgetary Treatment of Direct Loans and Loan Guarantees (open access)

Federal Credit Reform: Implementation Of the Changed Budgetary Treatment of Direct Loans and Loan Guarantees

This report explains the provisions of the Federal Credit Reform Act of 1990 (FCRA), examine the implementation of credit reform including credit reform provisions of the Balanced Budget Act of 1997 (BBA97), and discusses proposed modifications of credit reform. In order to achieve these objectives, it is necessary to initially discuss justifications for credit programs, federal credit concepts, and the budgetary treatment of federal credit before the FCRA.
Date: April 25, 2006
Creator: Bickley, James M.
Object Type: Report
System: The UNT Digital Library
Final Report: X-ray Studies of Materials Dynamics at MHATT-CAT Sector 7, Advanced Photon Source (open access)

Final Report: X-ray Studies of Materials Dynamics at MHATT-CAT Sector 7, Advanced Photon Source

This Final Report describes the scientific accomplishments that have been achieved with support from grant DE-FG02-03ER46023 during the period 12/01/02 ? 11/30/05. The funding supported a vigorous scientific program allowing the PI to achieve leadership in a number of important areas. In particular, research carried out during this period has opened way to ultrafast dynamics studies of materials by combining the capabilities of synchrotron radiation with those of ultrafast lasers. This enables the initiation of laser-induced excitations and studies of their subsequent dynamics using laser-pump/x-ray probe techniques. Examples of such excitations include phonons, shock waves, excitons, spin-waves, and polaritons. The breadth of phenomena that can now be studied in the time-domain is very broad, revealing new phenomena and mechanisms that are critical to many applications of materials.
Date: April 25, 2006
Creator: Clarke, Roy
Object Type: Report
System: The UNT Digital Library
First-principles thermoelasticity of transition metals at high pressure I. Tantalum prototype in the quasi-harmonic limit (open access)

First-principles thermoelasticity of transition metals at high pressure I. Tantalum prototype in the quasi-harmonic limit

The thermoelastic properties of bcc tantalum have been investigated over a broad range of pressures (up to 10 Mbar) and temperatures (up to 26,000 K) using a new first-principles approach that accurately accounts for cold, electron-thermal, and ion-thermal contributions in materials where anharmonic effects are small. Specifically, we have combined ab initio full-potential linear-muffin-tin-orbital (FP-LMTO) electronic-structure calculations for the cold and electron-thermal contributions to the elastic moduli with phonon contributions for the ion-thermal part calculated using model generalized pseudopotential theory (MGPT). For the latter, a summation of terms over the Brillouin zone is performed within the quasi-harmonic approximation, where each term is composed of a strain derivative of the phonon frequency at a particular k point. At ambient pressure, the resulting temperature dependence of the Ta elastic moduli is in excellent agreement with ultrasonic measurements. The experimentally observed anomalous behavior of C{sub 44} at low temperatures is shown to originate from the electron-thermal contribution. At higher temperatures, the main contribution to the temperature dependence of the elastic moduli comes from thermal expansion, but inclusion of the electron- and ion-thermal contributions is essential to obtain quantitative agreement with experiment. In addition, the pressure dependence of the moduli at ambient temperature compares …
Date: April 25, 2006
Creator: Orlikowski, D.; Soderlind, P. & Moriarty, J. A.
Object Type: Article
System: The UNT Digital Library
The Global Fund to Fight AIDS, Tuberculosis and Malaria: Progress Report and Issues for Congress (open access)

The Global Fund to Fight AIDS, Tuberculosis and Malaria: Progress Report and Issues for Congress

The report discusses the progress and issues regarding the global fund to fight AIDS, tuberculosis, and malaria.
Date: April 25, 2006
Creator: Salaam-Blyther, Tiaji
Object Type: Report
System: The UNT Digital Library
The Global Fund to Fight AIDS, Tuberculosis and Malaria: Progress Report and Issues for Congress (open access)

The Global Fund to Fight AIDS, Tuberculosis and Malaria: Progress Report and Issues for Congress

The report discusses the progress and issues regarding the global fund to fight AIDS, tuberculosis, and malaria.
Date: April 25, 2006
Creator: Salaam-Blyther, Tiaji
Object Type: Report
System: The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 37, No. 133, Ed. 1 Tuesday, April 25, 2006 (open access)

Greensheet (Houston, Tex.), Vol. 37, No. 133, Ed. 1 Tuesday, April 25, 2006

Free weekly newspaper that includes business and classified advertising.
Date: April 25, 2006
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 134, Ed. 1 Tuesday, April 25, 2006 (open access)

Greensheet (Houston, Tex.), Vol. 37, No. 134, Ed. 1 Tuesday, April 25, 2006

Free weekly newspaper that includes business and classified advertising.
Date: April 25, 2006
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History