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1,560 Matching Results
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Analysis of the quantum numbers J**PC of the X(3872)
The authors present an analysis of angular distributions and correlations of the X(3872) in the exclusive decay mode X(3872) {yields} J/{psi}{pi}{sup +}{pi}{sup -} with J/{psi} {yields} {mu}{sup +}{mu}{sup -}. They use 780 pb{sup -1} of data from p{bar p} collisions at {radical}s = 1.96 TeV collected with the CDF II detector at the Fermilab Tevatron. They derive constraints on spin, parity, and charge conjugation parity of the X(3872) by comparing measured angular distributions of the decay products with predictions for different J{sup PC} hypotheses. The assignments J{sup PC} = 1{sup ++} and 2{sup -+} are the only ones consistent with the data.
Date:
December 1, 2006
Creator:
Abulencia, A.; Adelman, J.; Affolder, T.; Akimoto, T.; Albrow, M.G.; Ambrose, D. et al.
Object Type:
Article
System:
The UNT Digital Library
ANALYSIS RESULTS FOR BUILDING 241 702-AZ A TRAIN
This report presents the analyses results for three samples obtained under RPP-PLAN-28509, Sampling and Analysis Plan for Building 241 702-AZ A Train. The sampling and analysis was done in response to problem evaluation request number PER-2004-6139, 702-AZ Filter Rooms Need Radiological Cleanup Efforts.
Date:
December 13, 2006
Creator:
JB, DUNCAN; JM, FRYE; CA, COOKE; SW, LI & FJ, BROCKMAN
Object Type:
Report
System:
The UNT Digital Library
[Andrea Robledo at toy table]
A photograph of Andrea Robledo sitting down at a table with toys on it. There are cars, trucks, and a fish tank with a sign that says "Toys".
Date:
December 4, 2006
Creator:
University of North Texas. Multicultural Center.
Object Type:
Photograph
System:
The UNT Digital Library
Animals That Die
Access:
Use of this item is restricted to the UNT Community
The thesis has two parts. Part I is a critical essay entitled "Lessons Under the Amfalula." Part II is the collection of poems entitled "Animals That Die."
Date:
December 2006
Creator:
Campbell, Susan Maxwell
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Annie Downey Smiling for Photo]
Photograph of Annie Downey smiling for photos at a party held in honor of librarian Valerie Glenn. Downey is seen smiling as she looks off at something else.
Date:
December 6, 2006
Creator:
Mears, Michelle M.
Object Type:
Photograph
System:
The UNT Digital Library
Annotated Bibliography of the Potential Environmental Impacts of Chlorination and Disinfection Byproducts Relevant to Offshore Liquefied Natural Gas Port Facilties
Annotated bibliography on the environmental consequences for larval/juvenile fishes and important invertebrates when chlorinated water and other toxic disinfection byproducts from offshore, open-loop water circulation systems are discharged into the surrounding marine environment.
Date:
December 2006
Creator:
Shaw, Richard F. & Baggett, Kevin W.
Object Type:
Report
System:
The UNT Digital Library
Annual Hanford Seismic Report for Fiscal Year 2006
This report summarizes the earthquake activity at the Hanford Site a vicinty that occurred during FY 2006
Date:
December 20, 2006
Creator:
Rohay, Alan C.; Sweeney, Mark D.; Hartshorn, Donald C.; Reidel, Stephen P. & Clayton, Ray E.
Object Type:
Report
System:
The UNT Digital Library
Annual Report for Gravity Collection Lysimeter Monitoring Plan - ERDF Cells 5 and 6
The data and analyses contained in this report reflect the initial characterization of construction and consolidation water in Cells 5 and 6 lysimeters. Therefore, the scope of this report will be to establish constituent levels and document dewatering activities completed to date.
Date:
December 19, 2006
Creator:
Remsen, W. E.
Object Type:
Report
System:
The UNT Digital Library
Annual Report for Gravity Collection Lysimeter Monitoring Plan - ERDF Cells 5 and 6
The objectives of the Annual Report are to: 1) describe changes in the volume of liquid seen in each lysimeter, 2) describe concentrations and changes or trends in the concentrations of leachate-indicator constituents in any liquids accumulated in each lysimeter, 3) summarize the finding in regard to the presence or absence of leachate in each lysimeter, 4) make recommendations, if any, limited to vadose-zone study-related variables. The data and analyses contained in this report reflect the initial characterization of construction and consolidation water in Cells 5 and 6 lysimeters.
Date:
December 21, 2006
Creator:
Remsen, W. E.
Object Type:
Report
System:
The UNT Digital Library
Application and Development of Appropriate Tools and Technologies for Cost-Effective Carbon Sequestration
The Nature Conservancy is participating in a Cooperative Agreement with the Department of Energy (DOE) National Energy Technology Laboratory (NETL) to explore the compatibility of carbon sequestration in terrestrial ecosystems and the conservation of biodiversity. The title of the research project is ''Application and Development of Appropriate Tools and Technologies for Cost-Effective Carbon Sequestration''. The objectives of the project are to: (1) improve carbon offset estimates produced in both the planning and implementation phases of projects; (2) build valid and standardized approaches to estimate project carbon benefits at a reasonable cost; and (3) lay the groundwork for implementing cost-effective projects, providing new testing ground for biodiversity protection and restoration projects that store additional atmospheric carbon. This Technical Progress Report discusses preliminary results of the six specific tasks that The Nature Conservancy is undertaking to answer research needs while facilitating the development of real projects with measurable greenhouse gas reductions. The research described in this report occurred between October 1st and December 31st 2006. The specific tasks discussed include: Task 1: carbon inventory advancements; Task 2: emerging technologies for remote sensing of terrestrial carbon; Task 3: baseline method development; Task 4: third-party technical advisory panel meetings; Task 5: new project feasibility …
Date:
December 31, 2006
Creator:
Stanley, Bill; Brown, Sandra; Gonzalez, Patrick; Sohngen, Brent; Sampson, Neil; Anderson, Mark et al.
Object Type:
Report
System:
The UNT Digital Library
The Application of Global Kinetic Models to HMX Beta-Delta Transition and Cookoff Processes
The reduction of the number of reactions in kinetic models for both the HMX beta-delta phase transition and thermal cookoff provides an attractive alternative to traditional multi-stage kinetic models due to reduced calibration effort requirements. In this study, we use the LLNL code ALE3D to provide calibrated kinetic parameters for a two-reaction bidirectional beta-delta HMX phase transition model based on Sandia Instrumented Thermal Ignition (SITI) and Scaled Thermal Explosion (STEX) temperature history curves, and a Prout-Tompkins cookoff model based on One-Dimensional Time to Explosion (ODTX) data. Results show that the two-reaction bidirectional beta-delta transition model presented here agrees as well with STEX and SITI temperature history curves as a reversible four-reaction Arrhenius model, yet requires an order of magnitude less computational effort. In addition, a single-reaction Prout-Tompkins model calibrated to ODTX data provides better agreement with ODTX data than a traditional multi-step Arrhenius model, and can contain up to 90% less chemistry-limited time steps for low-temperature ODTX simulations. Manual calibration methods for the Prout-Tompkins kinetics provide much better agreement with ODTX experimental data than parameters derived from Differential Scanning Calorimetry (DSC) measurements at atmospheric pressure. The predicted surface temperature at explosion for STEX cookoff simulations is a weak function of …
Date:
December 7, 2006
Creator:
Wemhoff, A. P.; Burnham, A. K. & Nichols, A. L., III
Object Type:
Article
System:
The UNT Digital Library
An Approach Towards Self-Supervised Classification Using Cyc
Due to the long duration required to perform manual knowledge entry by human knowledge engineers it is desirable to find methods to automatically acquire knowledge about the world by accessing online information. In this work I examine using the Cyc ontology to guide the creation of Naïve Bayes classifiers to provide knowledge about items described in Wikipedia articles. Given an initial set of Wikipedia articles the system uses the ontology to create positive and negative training sets for the classifiers in each category. The order in which classifiers are generated and used to test articles is also guided by the ontology. The research conducted shows that a system can be created that utilizes statistical text classification methods to extract information from an ad-hoc generated information source like Wikipedia for use in a formal semantic ontology like Cyc. Benefits and limitations of the system are discussed along with future work.
Date:
December 2006
Creator:
Coursey, Kino High
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 35, Ed. 1 Thursday, December 7, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
December 7, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 36, Ed. 1 Thursday, December 14, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
December 14, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 37, Ed. 1 Thursday, December 21, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
December 21, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County Advocate (Holliday, Tex.), Vol. 4, No. 38, Ed. 1 Thursday, December 28, 2006
Weekly newspaper from Holliday, Texas that includes local, state, and national news along with advertising.
Date:
December 28, 2006
Creator:
Stevens, Charlotte
Object Type:
Newspaper
System:
The Portal to Texas History
Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests, 2006, December 8
This report talks about Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests.
Date:
December 8, 2006
Creator:
Nichol, Jim
Object Type:
Report
System:
The UNT Digital Library
Army Corps of Engineers Water Resources Activities: Authorization and Appropriations
This report provides an overview of the Corps civil works program. It covers the congressional authorization and appropriation process, the standard project development process, and other Corps activities and authorities.
Date:
December 19, 2006
Creator:
Carter, Nicole T. & Hughes, H. S.
Object Type:
Report
System:
The UNT Digital Library
Art and architecture combine for...A Grand Tour...at UT-Austin's Blanton Museum of Art
Draft of an article published in the January 2007 issue of Texas Highways magazine about the Blanton Museum of Art in Austin, Texas.
Date:
2006-12~
Creator:
Mallory, Randy
Object Type:
Text
System:
The UNT Digital Library
[Art gallery in museum]
Photograph of an art gallery filled with paintings in the middle of Blanton Museum of Art located in Austin, Texas. The museum is one of the largest university museums in the country.
Date:
2006-12~
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
[Art sculpture in art gallery]
Photograph of yellow sculptures placed in the middle of an art gallery with other paintings in the Blanton Museum of Art located in Austin, Texas. The museum is one of the largest university museums in the country.
Date:
2006-12~
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
Assessing Terrorist Motivations for Attacking Critical Infrastructure
Certain types of infrastructure--critical infrastructure (CI)--play vital roles in underpinning our economy, security and way of life. These complex and often interconnected systems have become so ubiquitous and essential to day-to-day life that they are easily taken for granted. Often it is only when the important services provided by such infrastructure are interrupted--when we lose easy access to electricity, health care, telecommunications, transportation or water, for example--that we are conscious of our great dependence on these networks and of the vulnerabilities that stem from such dependence. Unfortunately, it must be assumed that many terrorists are all too aware that CI facilities pose high-value targets that, if successfully attacked, have the potential to dramatically disrupt the normal rhythm of society, cause public fear and intimidation, and generate significant publicity. Indeed, revelations emerging at the time of this writing about Al Qaida's efforts to prepare for possible attacks on major financial facilities in New York, New Jersey, and the District of Columbia remind us just how real and immediate such threats to CI may be. Simply being aware that our nation's critical infrastructure presents terrorists with a plethora of targets, however, does little to mitigate the dangers of CI attacks. In order …
Date:
December 4, 2006
Creator:
Ackerman, G.; Abhayaratne, P.; Bale, J.; Bhattacharjee, A.; Blair, C.; Hansell, L. et al.
Object Type:
Report
System:
The UNT Digital Library
The Athlete Leader Role: Interaction of Gender, Sport Type, and Coaching Style.
Effective leadership is a concept shown to be important for successful team performance in the fields of business, education, and sport. In sport, the role of the athlete leader has been under-examined and specifically, how coaching behaviors can affect athlete leader behaviors and how various leadership models (e.g., trait, behavioral, situational) relate to the athlete leader role has never been studied. The present study examined how autocratic, democratic, and collaborative coaching styles affect the athlete leader behavior preferences of athletes of different genders and sport types. Three coach scenarios reflecting the three aforementioned coaching styles were created so that athletes could imagine that they were coached by the individual presented in the scenario and then rate what type of athlete leader behaviors that they would prefer given the style of the coach that they read about. Results showed that the coach scenarios failed to have a significant impact; however, significant differences were discovered between men and women and between individual and team sport athletes on variables measuring preferred performance/task, relationship, motivation, and representation behaviors. Data were gathered on the style of athletes' current coach and this variable also produced significant differences for such behaviors as resolving conflict, providing positive reinforcement, …
Date:
December 2006
Creator:
Wildman, Jonathan C. Jr.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Athletic Trainers and Psychological Disorders Among Athletes: An Examination of Their Abilities to Recognize, Diagnose and Intervene.
Utilizing an analogue research design conducted via the Internet, this study assessed athletic trainers' abilities to recognize, diagnose, and intervene with a hypothetical athlete experiencing depression, and examined the impact of their gender, athlete gender, and athlete's presenting problem on their decisions. Athletic trainers' perceived competency in using psychosocial interventions with athletes, history of referring athletes to psychology professionals, and training backgrounds in psychology also were examined. Participants (270 male and 370 female certified athletic trainers) were randomly assigned to one of six conditions (Athlete Gender X Presenting Problem). After reading the appropriate vignette, they completed questions related to the athlete's psychological symptoms and diagnosis, referral recommendations, and use of psychosocial interventions if working with the athlete. The vignettes were identical except for the athlete's gender and problem. Overall, athletic trainers accurately identified the athlete's depressive symptoms/diagnosis and need for psychological referral. They rated the athlete significantly higher in Depressive Symptoms than in Anger/Agitation Symptoms and Compulsive Behavioral Symptoms, and as more likely to be experiencing a depressive disorder compared to an adjustment disorder, anxiety disorder, sleep disorder, or substance abuse disorder. Female athletic trainers provided significantly higher ratings of Depressive Symptoms than males and the injured athlete was rated …
Date:
December 2006
Creator:
Albinson, Courtney Brooks
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library