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637 Matching Results
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International Linear Collider Reference Design Report Volume 2: Physics at the ILC
The triumph of 20th century particle physics was the development of the Standard Model and the confirmation of many of its aspects. Experiments determined the particle constituents of ordinary matter, and identified four forces that hold matter together and transform it from one form to another. Particle interactions were found to obey precise laws of relativity and quantum theory. Remarkable features of quantum physics were observed, including the real effects of 'virtual' particles on the visible world. Building on this success, particle physicists are now able to address questions that are even more fundamental, and explore some of the deepest mysteries in science. The scope of these questions is illustrated by this summary from the report Quantum Universe: (1) Are there undiscovered principles of nature; (2) How can we solve the mystery of dark energy; (3) Are there extra dimensions of space; (4) Do all the forces become one; (5) Why are there so many particles; (6) What is dark matter? How can we make it in the laboratory; (7) What are neutrinos telling us; (8) How did the universe begin; and (9) What happened to the antimatter? A worldwide program of particle physics investigations, using multiple approaches, is already …
Date:
November 14, 2011
Creator:
Aarons, Gerald; Abe, Toshinori; Abernathy, Jason; Ablikim, Medina; Abramowicz, Halina; Adey, David et al.
Object Type:
Article
System:
The UNT Digital Library
Israel: Background and U.S. Relations
This report explores the history of U.S.-Israeli relationships and current Israeli issues such as border security, defense, Israel-Palestinian conflicts, economy, and democracy.
Date:
February 14, 2011
Creator:
Addis, Casey L.
Object Type:
Report
System:
The UNT Digital Library
Doctoral Lecture: 2011-07-14 – Michael Adduci, oboe
Lecture presented at the UNT College of Music Room M258 in partial fulfillment of the Doctor of Musical Arts (DMA) degree.
Date:
July 14, 2011
Creator:
Adduci, Michael
Object Type:
Sound
System:
The UNT Digital Library
CRADA Final Report: Process development for hybrid solar cells
TCF funding of a CRADA between LBNL and RSLE leveraged RSLE's original $1M investment in LBNL research and led to development of a solar cell fabrication process that will bring the high efficiency, high voltage hybrid tandem solar cell closer to commercialization. RSLE has already built a pilot line at its Phoenix, Arizona site.
Date:
February 14, 2011
Creator:
Ager, Joel W.
Object Type:
Report
System:
The UNT Digital Library
Continued Fractions and Sturmian Words: Discover the Power of Mathematics!
Presentation for the 2011 University Scholars Day at the University of North Texas discussing research on continued fractions as an alternative to decimal expansions.
Date:
April 14, 2011
Creator:
Allen, Andrew & Cherry, William, 1966-
Object Type:
Presentation
System:
The UNT Digital Library
NEPHELINE NUCLEATION AND CRYSTAL GROWTH IN WASTE GLASSES: INTERIM REPORT
None
Date:
September 14, 2011
Creator:
Amoroso, J.
Object Type:
Report
System:
The UNT Digital Library
Advanced Electric Traction System Technology Development
As a subcontractor to General Motors (GM), Ames Laboratory provided the technical expertise and supplied experimental materials needed to assess the technology of high energy bonded permanent magnets that are injection or compression molded for use in the Advanced Electric Traction System motor. This support was a sustained (Phase 1: 6/07 to 3/08) engineering effort that builds on the research achievements of the primary FreedomCAR project at Ames Laboratory on development of high temperature magnet alloy particulate in both flake and spherical powder forms. Ames Lab also provide guidance and direction in selection of magnet materials and supported the fabrication of experimental magnet materials for development of injection molding and magnetization processes by Arnold Magnetics, another project partner. The work with Arnold Magnetics involved a close collaboration on particulate material design and processing to achieve enhanced particulate properties and magnetic performance in the resulting bonded magnets. The overall project direction was provided by GM Program Management and two design reviews were held at GM-ATC in Torrance, CA. Ames Lab utilized current expertise in magnet powder alloy design and processing, along with on-going research advances being achieved under the existing FreedomCAR Program project to help guide and direct work during Phase …
Date:
January 14, 2011
Creator:
Anderson, Iver
Object Type:
Report
System:
The UNT Digital Library
LIFE Cost of Electricity, Capital and Operating Costs
Successful commercialization of fusion energy requires economic viability as well as technical and scientific feasibility. To assess economic viability, we have conducted a pre-conceptual level evaluation of LIFE economics. Unit costs are estimated from a combination of bottom-up costs estimates, working with representative vendors, and scaled results from previous studies of fission and fusion plants. An integrated process model of a LIFE power plant was developed to integrate and optimize unit costs and calculate top level metrics such as cost of electricity and power plant capital cost. The scope of this activity was the entire power plant site. Separately, a development program to deliver the required specialized equipment has been assembled. Results show that LIFE power plant cost of electricity and plant capital cost compare favorably to estimates for new-build LWR's, coal and gas - particularly if indicative costs of carbon capture and sequestration are accounted for.
Date:
April 14, 2011
Creator:
Anklam, T.
Object Type:
Report
System:
The UNT Digital Library
FY2011 Appropriations in Budgetary Context
This report compares the various funding levels that have been considered during the 112th Congress with H.R. 1473, a compromise reached just before the expiration on April 8 of the sixth continuing resolution (CR). H.R. 1473 provides discretionary budget authority to run the federal government for the remainder of FY2011, and includes both discretionary and mandatory spending reductions.
Date:
April 14, 2011
Creator:
Austin, D. Andrew & Belasco, Amy
Object Type:
Report
System:
The UNT Digital Library
A Tiling Game and Its Properties in the Plane: Discover the Power of Mathematics
Presentation for the 2011 University Scholars Day at the University of North Texas discussing a mathematical game using the tiling of a plane.
Date:
April 14, 2011
Creator:
Bach, Kevin & Schlutzenberg, Farmer
Object Type:
Presentation
System:
The UNT Digital Library
Multigrid Smoothers for Ultra-Parallel Computing: Additional Theory and Discussion
None
Date:
June 14, 2011
Creator:
Baker, A H; Falgout, R D; Kolev, T V & Yang, U M
Object Type:
Report
System:
The UNT Digital Library
Hydrogen Production by Water Dissociation Using Ceramic Membranes - Annual Report for FY 2010.
The objective of this project is to develop dense ceramic membranes that can produce hydrogen via coal/coal gas-assisted water dissociation without using an external power supply or circuitry. This project grew from an effort to develop a dense ceramic membrane for separating hydrogen from gas mixtures such as those generated during coal gasification, methane partial oxidation, and water-gas shift reactions. That effort led to the development of various cermet (i.e., ceramic/metal composite) membranes that enable hydrogen production by two methods. In one method, a hydrogen transport membrane (HTM) selectively removes hydrogen from a gas mixture by transporting it through either a mixed protonic/electronic conductor or a hydrogen transport metal. In the other method, an oxygen transport membrane (OTM) generates hydrogen mixed with steam by removing oxygen that is generated through water splitting. This project focuses on the development of OTMs that efficiently produce hydrogen via the dissociation of water. Supercritical boilers offer very high-pressure steam that can be decomposed to provide pure hydrogen using OTMs. Oxygen resulting from the dissociation of steam can be used for coal gasification, enriched combustion, or synthesis gas production. Hydrogen and sequestration-ready CO{sub 2} can be produced from coal and steam by using the membrane …
Date:
March 14, 2011
Creator:
Balachandran, U.; Dorris, S. E.; Emerson, J. E.; Lee, T. H.; Lu, Y.; Park, C. Y. et al.
Object Type:
Report
System:
The UNT Digital Library
Hydrogen Separation Membranes Annual Report for FY 2010.
The objective of this work is to develop dense ceramic membranes for separating hydrogen from other gaseous components in a nongalvanic mode, i.e., without using an external power supply or electrical circuitry. The goal of this project is to develop dense hydrogen transport membranes (HTMs) that nongalvanically (i.e., without electrodes or external power supply) separate hydrogen from gas mixtures at commercially significant fluxes under industrially relevant operating conditions. These membranes will be used to separate hydrogen from gas mixtures such as the product streams from coal gasification, methane partial oxidation, and water-gas shift reactions. Potential ancillary uses of HTMs include dehydrogenation and olefin production, as well as hydrogen recovery in petroleum refineries and ammonia synthesis plants, the largest current users of deliberately produced hydrogen. This report describes the results from the development and testing of HTM materials during FY 2010.
Date:
March 14, 2011
Creator:
Balachandran, U.; Dorris, S. E; Emerson, J. E.; Lee, T. H.; Lu, Y.; Park, C. Y. et al.
Object Type:
Report
System:
The UNT Digital Library
DART, TRE plans set for Thursday Mavs celebration
News release about extended service for DART and TRE to accommodate traffic to a Dallas Mavericks' parade and celebration at the American Airlines Center.
Date:
June 14, 2011
Creator:
Ball, Mark & Hunter, Joan
Object Type:
Text
System:
The Portal to Texas History
Status of PEP-X Light Source Design Study
The SLAC Beam Physics group and other SLAC collaborators continue to study options for implementing a near diffraction-limited ring-based light source in the 2.2-km PEP-II tunnel that will serve the SSRL scientific program in the future. The study team has completed the baseline design for a 4.5-GeV storage ring having 160 pm-rad emittance with stored beam current of 1.5 A, providing >10{sup 22} brightness for multi-keV photon beams from 3.5-m undulator sources. The team has also investigated possible 5-GeV ERL configurations which, similar to the Cornell and KEK ERL plans, would have {approx}30 pm-rad emittance with 100 mA current, and {approx}10 pm-rad emittance with 25 mA or less. Now a 4.5-GeV 'ultimate' storage ring having emittance similar to the ERL and operating with {approx}200 mA is under study. An overview of the progress of the PEP-X design study and SSRL's plans for defining performance parameters that will guide the choice of ring options is presented.
Date:
December 14, 2011
Creator:
Bane, K. L. F.; Bertsche, K. J.; Cai, Y.; Chao, A.; Huang, X.; Jiao, Y. et al.
Object Type:
Article
System:
The UNT Digital Library
The Rambler (Fort Worth, Tex.), Vol. 94, No. 15, Ed. 1 Wednesday, September 14, 2011
Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date:
September 14, 2011
Creator:
Banks, Shauna
Object Type:
Newspaper
System:
The Portal to Texas History
Trade Law: An Introduction to Selected International Agreements and U.S. Laws
This report is an introductory overview of the legal framework governing trade-related measures. The agreements and laws selected for discussion are those most-commonly implicated by U.S. trade interests, but there are U.S. trade laws and obligations beyond those reviewed in this report.
Date:
January 14, 2011
Creator:
Barbour, Emily C.
Object Type:
Report
System:
The UNT Digital Library
Stiff and Electrically Conductive Composites of Carbon Nanotube Aerogels and Polymers
None
Date:
October 14, 2011
Creator:
Baumann, T. F.; Worsley, M. A.; Lewicki, J.; Kucheyev, S. O.; Kuntz, J. D. & Satcher, J. H.
Object Type:
Article
System:
The UNT Digital Library
Present Constraints on the H-dibaryon at the Physical Pointfrom Lattice QCD
None
Date:
September 14, 2011
Creator:
Beane, S.; Chang, E.; Detmold, W.; Joo, B.; Lin, H. W.; Luu, T. et al.
Object Type:
Article
System:
The UNT Digital Library
The Deuteron and Exotic Two-Body Bound States from Lattice QCD
Results of a high-statistics,multi-volume Lattice QCD exploration of the deuteron, the di-neutron, the H-dibaryon are presented.
Date:
September 14, 2011
Creator:
Beane, S.; Chang, E.; Detmold, W.; Lin, H. W.; Luu, T.; Orginos, K. et al.
Object Type:
Article
System:
The UNT Digital Library
Continued Fractions: Discover the Power of Mathematics!
Presentation for the 2011 University Scholars Day at the University of North Texas discussing research on predictable patterns in continued fractions and decimal expansions.
Date:
April 14, 2011
Creator:
Beardslee, Jordan & Cherry, William, 1966-
Object Type:
Presentation
System:
The UNT Digital Library
France: Factors Shaping Foreign Policy, and Issues in U.S.-French Relations
This report examines the key factors that shape French foreign policy. From that context, it analyzes some of the reasons for the tensions in and the accomplishments of U.S.-French relations. The report is illustrative, rather than exhaustive. Instead, the report reviews issues selected because they exemplify some of the essential features of the U.S.-French relationship.
Date:
April 14, 2011
Creator:
Belkin, Paul
Object Type:
Report
System:
The UNT Digital Library
Approaching the Island of Inversion: 34P
Yrast states in 34P were investigated using the 18O(18O,pn) reaction at energies of 20, 24, 25, 30, and 44 MeV at Florida State University and at Lawrence Berkeley National Laboratory. The level scheme was expanded, ray angular distributions were measured, and lifetimes were inferred with the Doppler-shift attenuation method by detecting decay protons in coincidence with one or more rays. The results provide a clearer picture of the evolution of structure approaching the 'Island of Inversion', particularly how the 1 and 2 particle-hole (ph) states fall in energy with increasing neutro number approaching inversion. However, the agreement of the lowest few states with pure sd shell model predictions shows that the level scheme of 34P is not itself inverted. Rather, the accumulated evidence indicates that the 1-ph states start at 2.3 MeV. A good candidate for the lowest 2-ph state lies at 6236 keV, just below the neutron separation energy of 6291 keV. Shell model calculations made using a small modification of the WBP interaction reproduce the negative-parity, 1-ph states rather well.
Date:
June 14, 2011
Creator:
Bender, P. C.; Hoffman, C. R.; Wiedeking, M.; Allmond, J. M.; Bernstein, L. A.; Burke, J. T. et al.
Object Type:
Article
System:
The UNT Digital Library
HANFORD SITE CENTRAL PLATEAU CLEANUP COMPLETION STRATEGY
Cleanup of the Hanford Site is a complex and challenging undertaking. The U.S. Department of Energy (DOE) has developed a comprehensive vision for completing Hanford's cleanup mission including transition to post-cleanup activities. This vision includes 3 principle components of cleanup: the {approx}200 square miles ofland adjacent to the Columbia River, known as the River Corridor; the 75 square miles of land in the center of the Hanford Site, where the majority of the reprocessing and waste management activities have occurred, known as the Central Plateau; and the stored reprocessing wastes in the Central Plateau, the Tank Wastes. Cleanup of the River Corridor is well underway and is progressing towards completion of most cleanup actions by 2015. Tank waste cleanup is progressing on a longer schedule due to the complexity of the mission, with construction of the largest nuclear construction project in the United States, the Waste Treatment Plant, over 50% complete. With the progress on the River Corridor and Tank Waste, it is time to place increased emphasis on moving forward with cleanup of the Central Plateau. Cleanup of the Hanford Site has been proceeding under a framework defmed in the Hanford Federal Facility Agreement and Consent Order (Tri-Party Agreement). …
Date:
January 14, 2011
Creator:
Bergman, T. B.
Object Type:
Article
System:
The UNT Digital Library