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317
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234
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47
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46
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43
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12
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11
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11
National Museum of the Pacific War/Admiral Nimitz Foundation
10
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9
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The Black Academy of Arts and Letters Records
215
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139
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109
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83
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75
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58
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49
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48
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45
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37
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Effects of Energy Chirp on Echo-Enabled Harmonic Generation Free-Electron Lasers
We study effects of energy chirp on echo-enabled harmonic generation (EEHG). Analytical expressions are compared with numerical simulations for both harmonic and bunching factors. We also discuss the EEHG free-electron laser bandwidth increase due to an energy-modulated beam and its pulse length dependence on the electron energy chirp.
Date:
February 23, 2009
Creator:
Huang, Z.; Ratner, D.; Stupakov, G. & Xiang, D.
Object Type:
Report
System:
The UNT Digital Library
[Email from Linda Allen to members]
Email correspondence between Linda Allen, Al Daniels, Daniel Graney, Mike McCue, Ken Denson, and Erin Moore on February 22, 2009 to February 23, 2009, discussing adding information to SDD website.
Date:
February 23, 2009
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
End-of-Life Care: Services, Costs, Ethics, and Quality of Care
This report provides information on various aspects of end-of-life care: (1) demographic and historical changes affecting death and dying in the United States (2) the definitions of end-of-life, palliative, and hospice care (3) costs associated with end-of-life care (4) end-of-life care laws and ethics (5) quality of care at the end of life and (6) policy issues that would modify or expand the federal government's role in addressing end-of-life care.
Date:
February 23, 2009
Creator:
Colello, Kirsten J.; Mulvey, Janemarie; Sarata, Amanda K.; Williams, Erin D. & Thomas, Kenneth R.
Object Type:
Report
System:
The UNT Digital Library
Ensemble: 2009-02-23 – L-5 Electric Guitar Ensemble
Access:
Use of this item is restricted to the UNT Community
Ensemble concert presented at the UNT College of Music Kenton Hall.
Date:
February 23, 2009
Creator:
University of North Texas. L-5 Electric Guitar Ensemble.
Object Type:
Sound
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, February 23, 2009
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 23, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Federal Register, Volume 74, Number 34, February 23, 2009, Pages 7993-8138
Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date:
February 23, 2009
Creator:
United States. Office of the Federal Register.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
The Health Information Technology for Economic and Clinical Health (HITECH) Act
This report provides a summary and explanation of the provisions in the HITECH Act, which is intended to promote the widespread adoption of health information technology (HIT) for the electronic sharing of clinical data among hospitals, physicians, and other health care stakeholders. It gives an overview of prior actions taken by Congress and the Administrations to promote HIT, and briefly describes efforts by the 109th and 110th Congresses to enact comprehensive HIT legislation.
Date:
February 23, 2009
Creator:
Redhead, C. S.
Object Type:
Report
System:
The UNT Digital Library
Human Services Provisions of the American Recovery and Reinvestment Act
This report discusses provisions of the American Recovery and Reinvestment Act of 2009 (ARRA) for selected human services programs. The selected programs generally are those that provide benefits and services to families with children, though some programs (e.g., the Community Services Block Grant) provide services to other families as well. All of the programs discussed in this report are administered by the Department of Health and Human Services (HHS).
Date:
February 23, 2009
Creator:
Falk, Gene; Lynch, Karen E.; Solomon-Fears, Carmen; Perl, Libby; Richardson, Joe & Spar, Karen
Object Type:
Report
System:
The UNT Digital Library
Inspection 13.2 nm table-top full-field microscope
We present results on a table-top microscope that uses an EUV stepper geometry to capture full-field images with a halfpitch spatial resolution of 55 nm. This microscope uses a 13.2 nm wavelength table-top laser for illumination and acquires images of reflective masks with exposures of 20 seconds. These experiments open the path to the realization of high resolution table-top imaging systems for actinic defect characterization.
Date:
February 23, 2009
Creator:
Brizuela, F.; Wang, Y.; Brewer, C. A.; Pedaci, F.; Chao, W.; Anderson, E. H. et al.
Object Type:
Article
System:
The UNT Digital Library
Interior, Environment, and Related Agencies: FY2009 Appropriations
This report contains final FY2008 enacted levels for agencies, programs, and activities. In general, in this report the term appropriations represents total funds available, including regular annual and supplemental appropriations, as well as rescissions, transfers, and deferrals, but excludes permanent mandatory budget authorities.
Date:
February 23, 2009
Creator:
Vincent, C. H.
Object Type:
Report
System:
The UNT Digital Library
An Investigation of the Influence of Chain Length on the Interfacial Ordering of L-Lysine and L-Proline and Their Homopeptides at Hydrophobic and Hydrophilic Interfaces Studied by Sum Frequency Generation and Quartz Crystal Microbalance
Sum frequency generation vibrational spectroscopy (SFG) and quartz crystal microbalance with dissipation monitoring (QCM-D) are employed to study the interfacial structure and adsorbed amount of the amino acids l-lysine and l-proline and their corresponding homopeptides, poly-l-lysine and poly-l-proline, at two liquid-solid interfaces. SFG and QCM-D experiments of these molecules are carried out at the interface between phosphate buffered saline at pH 7.4 (PBS) and the hydrophobic deuterated polystyrene (d{sub 8}-PS) surface as well as the interface between PBS and hydrophilic fused silica (SiO{sub 2}). The SFG spectra of the amino acids studied here are qualitatively similar to their corresponding homopeptides; however, the SFG signal from amino acids at the solid/PBS interface is smaller in magnitude relative to their more massive homopeptides at the concentrations studied here. Substantial differences are observed in SFG spectra for each species between the hydrophobic d{sub 8}-PS and the hydrophilic SiO{sub 2} liquid-solid interfaces, suggesting surface-dependent interfacial ordering of the biomolecules. Over the range of concentrations used in this study, QCM-D measurements also indicate that on both surfaces poly-l-lysine adsorbs to a greater extent than its constituent amino acid l-lysine. The opposite trend is demonstrated by poly-l-proline which sticks to both surfaces less extensively than its …
Date:
February 23, 2009
Creator:
York, R.L.; Holinga, G.J. & Somorjai, G.A.
Object Type:
Article
System:
The UNT Digital Library
Laboratory Directed Research and Development Program FY 2008 Annual Report
The Ernest Orlando Lawrence Berkeley National Laboratory (Berkeley Lab or LBNL) is a multi-program national research facility operated by the University of California for the Department of Energy (DOE). As an integral element of DOE's National Laboratory System, Berkeley Lab supports DOE's missions in fundamental science, energy resources, and environmental quality. Berkeley Lab programs advance four distinct goals for DOE and the nation: (1) To perform leading multidisciplinary research in the computing sciences, physical sciences, energy sciences, biosciences, and general sciences in a manner that ensures employee and public safety and protection of the environment. (2) To develop and operate unique national experimental facilities for qualified investigators. (3) To educate and train future generations of scientists and engineers to promote national science and education goals. (4) To transfer knowledge and technological innovations and to foster productive relationships among Berkeley Lab's research programs, universities, and industry in order to promote national economic competitiveness. Berkeley Lab's research and the Laboratory Directed Research and Development (LDRD) program support DOE's Strategic Themes that are codified in DOE's 2006 Strategic Plan (DOE/CF-0010), with a primary focus on Scientific Discovery and Innovation. For that strategic theme, the Fiscal Year (FY) 2008 LDRD projects support each one …
Date:
February 23, 2009
Creator:
editor, Todd C Hansen
Object Type:
Report
System:
The UNT Digital Library
LASER ABLATION-INDUCTIVELY COUPLED PLASMA-ATOMIC EMISSION SPECTROSCOPY STUDY AT THE 222-S LABORATORY USING HOT-CELL GLOVE BOX PROTOTYPE SYSTEM
This report describes the installation, testing, and acceptance of the Waste Treatment and Immobilization Plant (WTP) procured laser ablation-inductively coupled plasma-atomic emission spectroscopy (LA-ICP-AES) system for remotely analyzing high-level waste (HLW) samples in a hot cell environment. The work was completed by the Analytical Process Development (APD) group in accordance with Task Order 2005-003; ATS MP 1027, Management Plan for Waste Treatment Plant Project Work Performed by Analytical Technical Services. The APD group at the 222-S Laboratory demonstrated acceptable turnaround time (TAT) and provide sufficient data to assess sensitivity, accuracy, and precision of the LA-ICP-AES method.
Date:
February 23, 2009
Creator:
CM, SEIDEL; J, JAIN & JW, OWENS
Object Type:
Report
System:
The UNT Digital Library
MARFE Stability and Movement in an ELMy H-mode NSTX Discharge
The results of a comparison of Multifaceted Asymmetric Radiation From the Edge (MARFE) theory with experiment in the National Spherical Torus Experiment (NSTX) are presented. A variety of MARFE behavior was observed using a fast-framing camera. A basic MARFE theory was applied to NSTX Multi-Pulse Thomson scattering (MPTS) and charge-exchange recombination spectroscopy (CHERS) data. MARFE theory showed some limited agreement with experiment, but uncertainty in the separatrix location constrained the analysis. A method based on shifting iso-Te flux surfaces was used to estimate the separatrix location. The movements of MARFEs in NSTX are interpreted to result from diamagnetic heat flux driven drifts relative to the background plasma velocity and imply slowing edge poloidal rotation and/or changing edge profiles before a large ELM.
Date:
February 23, 2009
Creator:
F. Kelly, R. Maingi, R. Maqueda, J. Menard, S. Paul
Object Type:
Report
System:
The UNT Digital Library
Measurement of the Semileptonic Decays B->D tau nu and B->D* tau nu
The authors present measurements of the semileptonic decays B{sup -} {yields} D{sup 0} {tau}{sup -} {bar {nu}}{sub {tau}}, B{sup -} {yields} D*{sup 0} {tau}{sup -}{bar {nu}}{sub {tau}}, {bar B}{sup 0} {yields} D{sup +} {tau}{sup -} {bar {nu}}{sub {tau}}, and {bar B}{sup 0} {yields} D*{sup +} {tau}{sup -}{bar {nu}}{sub {tau}}, which are sensitive to non-Standard Model amplitudes in certain scenarios. The data sample consists of 232 x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II e{sup +}e{sup -} collider. They select events with a D or D* meson and a light lepton ({ell} = e or {mu}) recoiling against a fully reconstructed B meson. They perform a fit to the joint distribution of lepton momentum and missing mass squared to distinguish signal B {yields} D{sup (*)}{tau}{sup -} {bar {nu}}{sub {tau}} ({tau}{sup -} {yields} {ell}{sup -} {bar {nu}}{sub {ell}}{nu}{sub {tau}}) events from the backgrounds, predominantly B {yields} D{sup (*)} {ell}{sup -}{bar {nu}}{sub {ell}}. They measure the branching-fraction ratios R(D) {triple_bond} {Beta}(B {yields} D{tau}{sup -} {bar {nu}}{sub {tau}})/{Beta}(B {yields} D{ell}{sup -} {bar {nu}}{sub {ell}}) and R(D*) {triple_bond} {Beta}(B {yields} D*{tau}{sup -} {bar {nu}}{sub {tau}})/{Beta}(B {yields} D* {ell}{sup -} {bar {nu}}{sub {ell}}) and, from a combined fit …
Date:
February 23, 2009
Creator:
Aubert, B.
Object Type:
Article
System:
The UNT Digital Library
Metastable Supersymmetry Breaking and Multitrace Deformations of SQCD
Metastable vacua in supersymmetric QCD in the presence of single and multitrace deformations of the superpotential are explored, with the aim of obtaining an acceptable phenomenology. The metastable vacua appear at one loop, have a broken R-symmetry, and a magnetic gauge group that is completely Higgsed. With only a single trace deformation, the adjoint fermions from the meson superfield are approximately massless at one loop, even though they are massive at tree level and R-symmetry is broken. Consequently, if charged under the standard model, they are unacceptably light. A multitrace quadratic deformation generates fermion masses proportional to the deformation parameter. Phenomenologically viable models of direct gauge mediation can then be obtained, and some of their features are discussed.
Date:
February 23, 2009
Creator:
Essig, Rouven; Fortin, Jean-Francois; Sinha, Kuver; Torroba, Gonzalo & Strassler, Matthew J.
Object Type:
Article
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 94, No. 101, Ed. 1 Monday, February 23, 2009
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 23, 2009
Creator:
Simons, Meredith
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Out-of-band exposure characterization with the SEMATECH Berkeley 0.3-NA microfield exposure tool
For the commercialization of extreme ultraviolet lithography (EUVL), discharge or laser produced, pulsed plasma light sources are being considered. These sources are known to emit into a broad range of wavelengths that are collectively referred to as the out-of-band (OOB) radiation by lithographers. Multilayer EUV optics reflect OOB radiation emitted by the EUV sources onto the wafer plane resulting in unwanted background exposure of the resist (flare) and reduced image contrast. The reflectivity of multilayer optics at the target wavelength of 13.5 nm is comparable to that of their reflectivity in the deep ultraviolet (DUV) and UV regions from 100-350 nm. The aromatic molecular backbones of many of the resists used for EUV are equally absorptive at specific DUV wavelengths as well. In order to study the effect of these wavelengths on imaging performance in a real system, we are in the process of integrating a DUV source into the SEMATECH Berkeley 0.3-NA Microfield Exposure Tool (MET). The MET plays an active role in advanced research in resist and mask development for EUVL and as such, we will utilize this system to systematically evaluate the imaging impact of DUV wavelengths in a EUV system. In this paper, we present the …
Date:
February 23, 2009
Creator:
George, Simi A.; Nauleau, Patrick; Rekawa, Senajith; Gullikson, Eric & Kemp, Charles D.
Object Type:
Article
System:
The UNT Digital Library
[Portrait of Dave Brubeck]
Photograph of Dave Brubeck taken during a residency at the University of North Texas in 2009. Brubeck is facing to the right of the camera and appears to be laughing.
Date:
[2009-02-23..2009-02-27]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of the Dave Brubeck Quartet, 1]
Photograph of the Dave Brubeck Quartet taken during a residency at the University of North Texas in 2009. Members Bobby Militello (saxophone), Dave Brubeck (at piano), Randy Jones (behind Brubeck), and Michael Moore (bass) are looking at the camera and smiling.
Date:
[2009-02-23..2009-02-27]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of the Dave Brubeck Quartet, 2]
Photograph of the Dave Brubeck Quartet taken during a residency at the University of North Texas in 2009. Members Bobby Militello (saxophone), Dave Brubeck (at piano), Randy Jones (behind Brubeck), and Michael Moore (bass) are looking at the camera and smiling.
Date:
[2009-02-23..2009-02-27]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
Precise Predictions for W + 3 Jet Production at Hadron Colliders
We report on the first next-to-leading order QCD computation of W + 3-jet production in hadronic collisions including all partonic subprocesses. We compare the results with CDF data from the Tevatron, and find excellent agreement. The renormalization and factorization scale dependence is reduced substantially compared to leading-order calculations. The required one-loop matrix elements are computed using on-shell methods, implemented in a numerical program, BlackHat. We use the SHERPA package to generate the real-emission contributions and to integrate the various contributions over phase space. We use a leading-color (large-N{sub c}) approximation for the virtual part, which we confirm in W + 1,2-jet production to be valid to within three percent. The present calculation demonstrates the utility of on-shell methods for computing next-to-leading-order corrections to processes important to physics analyses at the Large Hadron Collider.
Date:
February 23, 2009
Creator:
Berger, C.F.; /MIT, LNS; Bern, Z.; /UCLA; Dixon, L.J.; /SLAC et al.
Object Type:
Article
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 94, No. 137, Ed. 1 Monday, February 23, 2009
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 23, 2009
Creator:
Shance, Brenda
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Search for the decay B^+ \to K_S^0 K_S^0 \pi ^+
The authors search for charmless decays of charged B mesons to the three-body final state K{sub S}{sup 0}K{sub S}{sup 0}{pi}{sup +}. Using a data sample of 423.7 fb{sup -1} collected at the {Upsilon}(4S) resonance with the BABAR detector, corresponding to (465.1 {+-} 5.1) x 10{sup 6} B{bar B} pairs, they find no significant signal and determine a 90% confidence level upper limit on the branching fraction of 5.1 x 10{sup -7}.
Date:
February 23, 2009
Creator:
Aubert, B.; Bona, M.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prencipe, E. et al.
Object Type:
Article
System:
The UNT Digital Library