Partner
UNT Libraries Special Collections
2,936
UNT Libraries Government Documents Department
267
UNT Libraries
53
Oklahoma Historical Society
30
UNT Music Library
26
UNT Press
17
UNT College of Information
14
Sterling Municipal Library
9
UNT College of Arts and Sciences
8
Brownwood Public Library
7
65 More
Collection
The Black Academy of Arts and Letters Records
2,897
Texas Digital Newspaper Program
174
Office of Scientific & Technical Information Technical Reports
163
Tocker Foundation Grant
62
Congressional Research Service Reports
59
Government Accountability Office Reports
38
Oklahoma Digital Newspaper Program
33
The Greensheet
30
College of Music Recordings
26
Multicultural Center Records
23
103 More
Serial/Series Title
Juneteenth Jazz Jam
1,458
20th Annual Christmas/Kwanzaa Concert
1,082
Folder 16: 20th Annual Christmas/Kwanzaa Concert, December 15, 2012
345
The Greensheet
30
BEETIT Program
12
Ensemble Concerts
11
Sapulpa Daily Herald
9
The Altus Times
9
The Baytown Sun
9
eBulletin (Texas Daily Newspaper Association)
9
117 More
Degree Department
Degree Discipline
Degree Level
Country
Year
Month
Day
prev
Results:
3,481 - 3,502 of
3,502
Statistical line-by-line model for atomic spectra in intermediate coupling
None
Date:
February 15, 2012
Creator:
Iglesias, C
Object Type:
Article
System:
The UNT Digital Library
Study of CP Violation in Dalitz-Plot Analyses of B-Meson Decays to Three Kaons
The Standard Model (SM) explains CP violation in terms of the CKM matrix. The BABAR experiment was designed mainly to test the CKM model in B decays. B decays that proceed through b {yields} s loop diagrams, of which B {yields} KKK decays are an example, are sensitive to new physics effects that could lead to deviations from the CKM predictions for CP violation. We present studies of CP violation in the decays B{sup +} {yields} K{sup +}K{sup -}K{sup +}, B{sup +} {yields} K{sub S}{sup 0}K{sub S}{sup 0}K{sup +}, and B{sup 0} {yields} K{sup +}K{sup -}K{sub S}{sup 0}, using a Dalitz plot amplitude analysis. These studies are based on approximately 470 million B{bar B} decays collected by BABAR at the PEP-II collider at SLAC. We perform measurements of time-dependent CP violation in B{sup 0} {yields} K{sup +}K{sup -}K{sub S}{sup 0}, including B{sup 0} {yields} {phi}K{sub S}{sup 0}. We measure a CP-violating phase {beta}{sub eff} ({phi}K{sub S}{sup 0}) = 0.36 {+-} 0.11 {+-} 0.04 rad., in agreement with the SM. This is the world's most precise measurement of this quantity. We also measure direct CP asymmetries in all three decay modes, including the direct CP asymmetry A{sub CP} ({phi}K{sup +}) = …
Date:
February 15, 2012
Creator:
Lindquist, Brian
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Summary Report on CO{sub 2} Geologic Sequestration & Water Resources Workshop
The United States Environmental Protection Agency (EPA) and Lawrence Berkeley National Laboratory (LBNL) jointly hosted a workshop on “CO{sub 2} Geologic Sequestration and Water Resources” in Berkeley, June 1–2, 2011. The focus of the workshop was to evaluate R&D needs related to geological storage of CO{sub 2} and potential impacts on water resources. The objectives were to assess the current status of R&D, to identify key knowledge gaps, and to define specific research areas with relevance to EPA’s mission. About 70 experts from EPA, the DOE National Laboratories, industry, and academia came to Berkeley for two days of intensive discussions. Participants were split into four breakout session groups organized around the following themes: Water Quality and Impact Assessment/Risk Prediction; Modeling and Mapping of Area of Potential Impact; Monitoring and Mitigation; Wells as Leakage Pathways. In each breakout group, participants identified and addressed several key science issues. All groups developed lists of specific research needs; some groups prioritized them, others developed short-term vs. long-term recommendations for research directions. Several crosscutting issues came up. Most participants agreed that the risk of CO{sub 2} leakage from sequestration sites that are properly selected and monitored is expected to be low. However, it also became …
Date:
February 15, 2012
Creator:
Varadharajan, C.; Birkholzer, J.; Kraemer, S.; Porse, S.; Carroll, S.; Wilkin, R. et al.
Object Type:
Report
System:
The UNT Digital Library
Sweetwater Reporter (Sweetwater, Tex.), Vol. 114, No. 025, Ed. 1 Wednesday, February 15, 2012
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
February 15, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
U.S. Coins: Alternative Scenarios Suggest Different Benefits and Losses from Replacing the $1 Note with a $1 Coin
A letter report issued by the Government Accountability Office with an abstract that begins "According to GAOs updated analysis, replacing the $1 note with a $1 coin would provide a net benefit to the government of approximately $4.4 billion over 30 years, or an average of about $146 million per year. The overall net benefit was due solely to increased seigniorage and not to reduced production costs. This estimate differs from GAOs 2011 estimate because it considers recent efficiency improvements in note processing that have extended the expected life of the $1 note and other updated information. GAOs estimate covered 30 years to be consistent with previous GAO analyses and because that period roughly coincides with the life expectancy of the $1 coin."
Date:
February 15, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
U.S. Farm Income
None
Date:
February 15, 2012
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Ultrafast Photovoltaic Response in Ferroelectric Nanolayers
We show that light drives large-amplitude structural changes in thin films of the prototypical ferroelectric PbTiO3 via direct coupling to its intrinsic photovoltaic response. Using time-resolved x-ray scattering to visualize atomic displacements on femtosecond timescales, photoinduced changes in the unit-cell tetragonality are observed. These are driven by the motion of photogenerated free charges within the ferroelectric and can be simply explained by a model including both shift and screening currents, associated with the displacement of electrons first antiparallel to and then parallel to the ferroelectric polarization direction.
Date:
February 15, 2012
Creator:
Daranciang, Dan
Object Type:
Article
System:
The UNT Digital Library
Using SciDB to Support Photon Science Data Analysis
Array data analytic systems like SciDB hold great potential to accelerate processing data from SLAC's Linac Coherent Light Source and other experiments. SciDB is unique in its ability to integrate storage and processing of array data efficiently, providing both space-efficient storage and out-of-memory efficient parallel array processing. We describe a recent effort to leverage SciDB to store and process LCLS data. The work includes development of software to import data into SciDB, subsequent benchmarks, and interactive manipulation of data in SciDB.
Date:
February 15, 2012
Creator:
Becla, Jack; Wang, Daniel & lim, Kian-Tat
Object Type:
Report
System:
The UNT Digital Library
Věstník (Temple, Tex.), Vol. 100, No. 7, Ed. 1 Wednesday, February 15, 2012
Weekly Czech and English language newspaper from Temple, Texas published as the official organ of the Slavonic Benevolent Order of the State of Texas that includes news of interest to members along with advertising.
Date:
February 15, 2012
Creator:
Zavodny, Melanie
Object Type:
Newspaper
System:
The Portal to Texas History
X-Ray Diffraction on NIF
The National Ignition Facility (NIF) is currently a 192 beam, 1.6 MJ laser. NIF Ramp-Compression Experiments have already made the relevant exo-planet pressure range from 1 to 50 Mbar accessible. We Proposed to Study Carbon Phases by X-Ray Diffraction on NIF. Just a few years ago, ultra-high pressure phase diagrams for materials were very 'simple'. New experiments and theories point out surprising and decidedly complex behavior at the highest pressures considered. High pressures phases of aluminum are also predicted to be complex. Recent metadynamics survey of carbon proposed a dynamic pathway among multiple phases. We need to develop diagnostics and techniques to explore this new regime of highly compressed matter science. X-Ray Diffraction - Understand the phase diagram/EOS/strength/texture of materials to 10's of Mbar. Strategy and physics goals: (1) Powder diffraction; (2) Begin with diamond; (3) Continue with metals etc.; (4) Explore phase diagrams; (5) Develop liquid diffraction; and (6) Reduce background/improve resolution.
Date:
February 15, 2012
Creator:
Eggert, J H & Wark, J
Object Type:
Article
System:
The UNT Digital Library
Yoakum Herald-Times (Yoakum, Tex.), Vol. 120, No. 7, Ed. 1 Wednesday, February 15, 2012
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
February 15, 2012
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
Zeroing in on Supersymmetric Radiation Amplitude Zeros
Radiation amplitude zeros have long been used to test the Standard Model. Here, we consider the supersymmetric radiation amplitude zero in chargino-neutralino associated production, which can be observed at the luminosity upgraded LHC. Such an amplitude zero only occurs if the neutralino has a large wino fraction and hence this observable can be used to determine the neutralino eigenstate content. We find that this observable can be measured by comparing the p{sub T} spectrum of the softest lepton in the trilepton {tilde {chi}}{sub 1}{sup {+-}} {tilde {chi}}{sub 2}{sup 0} decay channel to that of a control process such as {tilde {chi}}{sub 1}{sup +} {tilde {chi}}{sub 1}{sup -} or {tilde {chi}}{sub 2}{sup 0} {tilde {chi}}{sub 2}{sup 0}. We test this technique on a previously generated model sample of the 19 dimensional parameter space of the phenomenological MSSM, and find that it is effective in determining the wino content of the neutralino.
Date:
February 15, 2012
Creator:
Hewett, JoAnne L.; Ismail, Ahmed & Rizzo, Thomas G.
Object Type:
Article
System:
The UNT Digital Library
[29th annual "Black Music and the Civil Rights Movement Concert" televised broadcast]
Video recording from The Black Academy of Arts and Letters of the CBS 11 televised broadcast for the 29th annual "Black Music and the Civil Rights Movement Concert" held on January 15th. The footage shows the audience entering the Myerson and the performance edited into seamless clips from various moving camera angles showing featured performers such as Cece Winans.
Date:
January 15, 2012
Creator:
CBS 11/ TXA 21
Object Type:
Video
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 112, No. 200, Ed. 1 Sunday, January 15, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 15, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 92, No. 11, Ed. 1 Sunday, January 15, 2012
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
January 15, 2012
Creator:
Yanelli, Adam
Object Type:
Newspaper
System:
The Portal to Texas History
Large-scale Nanostructure Simulations from X-ray Scattering Data On Graphics Processor Clusters
X-ray scattering is a valuable tool for measuring the structural properties of materialsused in the design and fabrication of energy-relevant nanodevices (e.g., photovoltaic, energy storage, battery, fuel, and carbon capture andsequestration devices) that are key to the reduction of carbon emissions. Although today's ultra-fast X-ray scattering detectors can provide tremendousinformation on the structural properties of materials, a primary challenge remains in the analyses of the resulting data. We are developing novelhigh-performance computing algorithms, codes, and software tools for the analyses of X-ray scattering data. In this paper we describe two such HPCalgorithm advances. Firstly, we have implemented a flexible and highly efficient Grazing Incidence Small Angle Scattering (GISAXS) simulation code based on theDistorted Wave Born Approximation (DWBA) theory with C++/CUDA/MPI on a cluster of GPUs. Our code can compute the scattered light intensity from any givensample in all directions of space; thus allowing full construction of the GISAXS pattern. Preliminary tests on a single GPU show speedups over 125x compared tothe sequential code, and almost linear speedup when executing across a GPU cluster with 42 nodes, resulting in an additional 40x speedup compared to usingone GPU node. Secondly, for the structural fitting problems in inverse modeling, we have implemented a …
Date:
January 15, 2012
Creator:
Sarje, Abhinav; Pien, Jack; Li, Xiaoye; Chan, Elaine; Chourou, Slim; Hexemer, Alexander et al.
Object Type:
Report
System:
The UNT Digital Library
The Panola Watchman (Carthage, Tex.), Vol. 140, No. 5, Ed. 1 Sunday, January 15, 2012
Semiweekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date:
January 15, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Plasmonics Based Harsh Environment Compatible Chemical Sensors
Au-YSZ, Au-TiO{sub 2} and Au-CeO{sub 2} nanocomposite films have been investigated as a potential sensing element for high-temperature plasmonic sensing of H{sub 2}, CO, and NO{sub 2} in an oxygen containing environment. The Au-YSZ and Au-TiO{sub 2} films were deposited using PVD methods, while the CeO{sub 2} thin film was deposited by molecular beam epitaxy (MBE) and Au was implanted into the as-grown film at an elevated temperature followed by high temperature annealing to form well-defined Au nanoclusters. Each of the films were characterized by x-ray diffraction (XRD) and Rutherford backscattering spectrometry (RBS). For the gas sensing experiments, separate exposures to varying concentrations of H{sub 2}, CO, and NO{sub 2} were performed at a temperature of 500°C in oxygen backgrounds of 5.0, 10, and ~21% O{sub 2}. Changes in the localized surface plasmon resonance (LSPR) absorption peak were monitored during gas exposures and are believed to be the result of oxidation-reduction processes that fill or create oxygen vacancies in the respective metal oxides. This process affects the LSPR peak position either by charge exchange with the Au nanoparticles or by changes in the dielectric constant surrounding the particles. Hyperspectral multivariate analysis was used to gauge the inherent selectivity of the …
Date:
January 15, 2012
Creator:
Carpenter, Michael
Object Type:
Report
System:
The UNT Digital Library
Polk County Enterprise (Livingston, Tex.), Vol. 130, No. 5, Ed. 1 Sunday, January 15, 2012
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
January 15, 2012
Creator:
Reddell, Valerie
Object Type:
Newspaper
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 97, No. 87, Ed. 1 Sunday, January 15, 2012
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 15, 2012
Creator:
Gibbs, Angenene
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sweetwater Reporter (Sweetwater, Tex.), Vol. 113, No. 359, Ed. 1 Sunday, January 15, 2012
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
January 15, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[Video: 29th Annual Black Music & the Civil Rights Movement Concert]
Video recording of the 29th Annual Black Music and the Civil Rights Movement Concert, a tribute to MLK Jr., produced by The Black Academy of Arts and Letters in conjunction with CBS 11 News.
Date:
January 15, 2012
Creator:
Latte Media Group
Object Type:
Video
System:
The UNT Digital Library