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UNT Libraries Government Documents Department
382
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51
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50
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38
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13
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12
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7
National Museum of the Pacific War/Admiral Nimitz Foundation
6
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5
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4
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Office of Scientific & Technical Information Technical Reports
176
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147
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119
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60
Tocker Foundation Grant
54
Defense Base Closure and Realignment Commission
42
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38
The Greensheet
32
College of Music Recordings
13
José L. Castillo Photograph Collection
13
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Reflectivity Measurements for Copper and Aluminum in the Far Infrared and the Resistive Wall Impedance in the LCLS Undulator
Reflectivity measurements in the far infrared, performed on aluminum and copper samples, are presented and analyzed. Over a frequency range of interest for the LCLS bunch, the data is fit to the free-electron model, and to one including the anomalous skin effect. The models fit well, yielding parameters dc conductivity and relaxation times that are within 30-40% of expected values. We show that the induced energy in the LCLS undulator region is relatively insensitive to variations on this order, and thus we can have confidence that the wake effect will be close to what is expected.
Date:
June 27, 2006
Creator:
Bane, K. L. F.; Stupakov, G. & Tu, J. J.
Object Type:
Article
System:
The UNT Digital Library
Using Boosted Decision Trees to Separate Signal and Background in B to XsGamma Decays
The measurement of the branching fraction of the flavor changing neutral current B {yields} X{sub s}{gamma} transition can be used to expose physics outside the Standard Model. In order to make a precise measurement of this inclusive branching fraction, it is necessary to be able to effectively separate signal and background in the data. In order to achieve better separation, an algorithm based on Boosted Decision Trees (BDTs) is implemented. Using Monte Carlo simulated events, ''forests'' of trees were trained and tested with different sets of parameters. This parameter space was studied with the goal of maximizing the figure of merit, Q, the measure of separation quality used in this analysis. It is found that the use of 1000 trees, with 100 values tested for each variable at each node, and 50 events required for a node to continue separating give the highest figure of merit, Q = 18.37.
Date:
September 27, 2006
Creator:
Barber, James & /Massachusetts U., Amherst /SLAC
Object Type:
Report
System:
The UNT Digital Library
Averages of B-Hadron Properties at the End of 2005
This article reports world averages for measurements on b-hadron properties obtained by the Heavy Flavor Averaging Group (HFAG) using the available results as of at the end of 2005. In the averaging, the input parameters used in the various analyses are adjusted (rescaled) to common values, and all known correlations are taken into account. The averages include lifetimes, neutral meson mixing parameters, parameters of semileptonic decays, branching fractions of B decays to final states with open charm, charmonium and no charm, and measurements related to CP asymmetries.
Date:
September 27, 2006
Creator:
Barberio, E.; U., /Melbourne; Bizjak, I.; /Novosibirsk, IYF; Blyth, S.; /CERN et al.
Object Type:
Report
System:
The UNT Digital Library
Cold Energy Integration
None
Date:
April 27, 2006
Creator:
Barton, N
Object Type:
Report
System:
The UNT Digital Library
Freezing Kinetics in Overcompressed Water
We report high pressure dynamic compression experiments of liquid water along a quasi-adiabatic path leading to the formation of ice VII. We observe dynamic features resembling Van der Waals loops and find that liquid water is compacted to a metastable state close to the ice density before the onset of crystallization. By analyzing the characteristic kinetic time scale involved we estimate the nucleation barrier and conclude that liquid water has been compressed to a high pressure state close to its thermodynamic stability limit.
Date:
September 27, 2006
Creator:
Bastea, Marina; Bastea, Sorin; Reaugh, John & Reisman, David
Object Type:
Article
System:
The UNT Digital Library
[Lisa Nolting in the sandpit]
Photograph of Lisa Nolting, member of the UNT women's track and field team, participating in the long jump event at the Mean Green Twilight Invitational. Nolting can be seen sitting in a sandpit in the center of the photograph, looking down. She is reaching forward with her left arm.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Lisa Nolting performs long jump at Mean Green Twilight Invitational]
Photograph of Lisa Nolting, member of the UNT women's track and field team, participating in the long jump event at the Mean Green Twilight Invitational. Nolting can be seen mid-air in the center of the photograph, bending her knees and raising both arms. A sandpit is visible below her.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Men's track member performs long jump at Mean Green Twilight Invitational]
Photograph of a young man competing in the long jump event at the Mean Green Twilight Invitational. The man can be seen mid-air in the center of the photograph, facing to the left of the camera with his arms and legs extended in front of himself. A sandpit is visible below him. Individuals can be seen in the top and bottom portions of the image, watching the event.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Ronniqua Wilson jumps hurdles with opposition, 1]
Photograph of Ronniqua Wilson, Kinesiology junior at UNT, jumping hurdles against her opponents during the Mean Green Twilight Invitational. Wilson (center) can be seen mid-air, lifting both legs to jump over a hurdle as members of the TCU (left) and UT (right) women's track teams run behind her on either side.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Ronniqua Wilson performs long jump at Mean Green Twilight Invitational]
Photograph of Ronniqua Wilson, Kinesiology junior at UNT, participating in the long jump event during the Mean Green Twilight Invitational. Wilson can be seen mid-air, extending her arms and legs out to the side. A sandpit is visible below her.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[UNT men's track member performs long jump at Mean Green Twilight Invitational]
Photograph of a member of the UNT men's track and field team competing in the long jump event at the Mean Green Twilight Invitational. The young man can be seen mid-air in the center of the photograph, facing the camera with his arms and legs extended in front of himself. A sandpit is visible below him.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[UNT women's track member performs high jump at Mean Green Twilight Invitational]
Photograph of a member of the UNT women's track team competing in the high jump event at the Mean Green Twilight Invitational. The young woman can be seen mid-air in the center of the photograph, jumping backwards over a horizontal pole with her eyes closed.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Women's competitor #3 in set position]
Photograph of a member of the UNT women's track and field team in set position during the Mean Green Twilight Invitational. The young woman can be seen crouched over with her head down and her hands on the ground, facing to the left of the camera. She is placing both feet on the starting blocks behind her.
Date:
April 27, 2006
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
Medicaid and SCHIP Section 1115 Research and Demonstration Waivers
This report provides background information on the broad authority, to conduct research and demonstration projects under several programs authorized by the Social Security Act.
Date:
January 27, 2006
Creator:
Baumrucker, Evelyne P.
Object Type:
Report
System:
The UNT Digital Library
National Environmental Education Act of 1990: Overview, Implementation, and Reauthorization Issues
This report presents an overview of the National Environmental Education Act of 1990, discusses appropriations, examines Environmental Protection Agency (EPA's) implementation of the act, and analyzes potential issues for reauthorization that may be considered in the 109th Congress.
Date:
February 27, 2006
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
The Grandview Tribune (Grandview, Tex.), Vol. 111, No. 9, Ed. 1 Friday, October 27, 2006
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
October 27, 2006
Creator:
Beck-Adams, Candie
Object Type:
Newspaper
System:
The Portal to Texas History
The Grandview Tribune (Grandview, Tex.), Vol. 111, No. 21, Ed. 1 Friday, January 27, 2006
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
January 27, 2006
Creator:
Beck-Adams, Candie
Object Type:
Newspaper
System:
The Portal to Texas History
Bovine Spongiform Encephalopathy (BSE, or “Mad Cow Disease”) in North America: A Chronology of Selected Events
None
Date:
July 27, 2006
Creator:
Becker, Geoffrey S.
Object Type:
Report
System:
The UNT Digital Library
Partitioned Waveform Inversion Applied to Eurasia and Northern Africa
This report summarizes the data analysis achieved during Heather Bedle's eleven-week Technical Scholar internship at Lawrence Livermore National Labs during the early summer 2006. The work completed during this internship resulted in constraints on the crustal and upper mantle S-velocity structure in Northern Africa, the Mediterranean, the Middle East, and Europe, through the fitting of regional waveform data. This data extends current raypath coverage and will be included in a joint inversion along with data from surface wave group velocity measurements, S and P teleseismic arrival time data, and receiver function data to create an improved velocity model of the upper mantle in this region. The tectonic structure of the North African/Mediterranean/Europe/Middle Eastern study region is extremely heterogeneous. This region consists of, among others, stable cratons and platforms such as the West Africa Craton, and Baltica in Northern Europe; oceanic subduction zones throughout the Mediterranean Sea where the African and Eurasian plate collide; regions of continental collision as the Arabian Plate moves northward into the Turkish Plate; and rifting in the Red Sea, separating the Arabian and Nubian shields. With such diverse tectonic structures, many of the waveforms were difficult to fit. This is not unexpected as the waveforms are …
Date:
July 27, 2006
Creator:
Bedle, H.; Matzel, E. & Flanagan, M.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Resonance Fluorescence Excitations Near 2 MeV in 235U and 239Pu
A search for nuclear resonance fluorescence excitations in {sup 235}U and {sup 239}Pu within the energy range of 1.0- to 2.5-MeV was performed using a 4-MeV continuous bremsstrahlung source at the High Voltage Research Laboratory at the Massachusetts Institute of Technology. Measurements utilizing high purity Ge detectors at backward angles identified 9 photopeaks in {sup 235}U and 12 photopeaks in {sup 239}Pu in this energy range. These resonances provide unique signatures that allow the materials to be non-intrusively detected in a variety of environments including fuel cells, waste drums, vehicles and containers. The presence and properties of these states may prove useful in understanding the mechanisms for mixing low-lying collective dipole excitations with other states at low excitations in heavy nuclei.
Date:
December 27, 2006
Creator:
Bertozzi, W.; Caggiano, J. A.; Hensley, W. K.; Johnson, M. S.; Korbly, S. E.; Ledoux, R. J. et al.
Object Type:
Article
System:
The UNT Digital Library
Fuel Transformer Solid Oxide Fuel Cell
The following report documents the technical approach and conclusions made by Acumentrics Corporation during latest budget period toward the development of a low cost 10kW tubular SOFC power system. The present program, guided under direction from the National Energy Technology Laboratory of the US DOE, is a nine-year cost shared Cooperative Agreement totaling close to $74M funded both by the US DOE as well as Acumentrics Corporation and its partners. The latest budget period ran from January of 2006 through June 2006. Work focused on cell technology enhancements as well as BOP and power electronics improvements and overall system design. Significant progress was made in increasing cell power enhancements as well as decreasing material cost in a drive to meet the SECA cost targets. The following report documents these accomplishments in detail as well as the layout plans for further progress in next budget period.
Date:
July 27, 2006
Creator:
Bessette, Norman; Schmidt, Douglas S.; Rawson, Jolyon; Foster, Rhys & Litka, Anthony
Object Type:
Report
System:
The UNT Digital Library
Hanford Site Environmental Surveillance Master Sampling Schedule for Calendar Year 2006
This document contains the calendar year 2006 schedules for the routine and non-routine collection of samples for the Surface Environmental Surveillance Project (SESP) and Drinking Water Monitoring Project. Each section includes sampling locations, sample types, and analyses to be performed. In some cases, samples are scheduled on a rotating basis and may not be collected in 2006 in which case the anticipated year for collection is provided. The project document package (PDP) for Surface Environmental Surveillance contains the milestone control log for the issuing of CY06 Environmental Surveillance Master Sampling Schedule WBS 4.2.3.21.3.03, milestone: RL00430306 (4830106-12).
Date:
January 27, 2006
Creator:
Bisping, Lynn E.
Object Type:
Report
System:
The UNT Digital Library
A Cone Jet-Finding Algorithm for Heavy-Ion Collisions at LHCEnergies
Standard jet finding techniques used in elementary particle collisions have not been successful in the high track density of heavy-ion collisions. This paper describes a modified cone-type jet finding algorithm developed for the complex environment of heavy-ion collisions. The primary modification to the algorithm is the evaluation and subtraction of the large background energy, arising from uncorrelated soft hadrons, in each collision. A detailed analysis of the background energy and its event-by-event fluctuations has been performed on simulated data, and a method developed to estimate the background energy inside the jet cone from the measured energy outside the cone on an event-by-event basis. The algorithm has been tested using Monte-Carlo simulations of Pb+Pb collisions at {radical}s = 5.5 TeV for the ALICE detector at the LHC. The algorithm can reconstruct jets with a transverse energy of 50 GeV and above with an energy resolution of {approx} 30%.
Date:
July 27, 2006
Creator:
Blyth, S.-L.; Horner, M.J.; Awes, T.C.; Cormier, T.; Gray, H.M.; Klay, J.L. et al.
Object Type:
Article
System:
The UNT Digital Library
Military Aviation: Issues and Options for Combating Terrorism and Counterinsurgency
This report provides background on terrorism and non-state actor challenges, and how military aviation may contribute to operations against these actors. The report discusses issues associated with the use of military aviation against non-state actors, and potential options for consideration.
Date:
January 27, 2006
Creator:
Bolkcom, Christopher & Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library