Resource Type

Simulations of Merging and Squeezing Bunches in Booster and AGS (open access)

Simulations of Merging and Squeezing Bunches in Booster and AGS

N/A
Date: September 1, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Simulations of merging and squeezing bunches in booster and AGS (open access)

Simulations of merging and squeezing bunches in booster and AGS

N/A
Date: July 30, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Simulations of RF Capture with Barrier Bucket in Booster at Injections (open access)

Simulations of RF Capture with Barrier Bucket in Booster at Injections

N/A
Date: May 1, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Simulations of RF capture with barrier bucket in booster at injection (open access)

Simulations of RF capture with barrier bucket in booster at injection

As part of the effort to increase the number of ions per bunch in RHIC, a new scheme for RF capture of EBIS ions in Booster at injection has been developed. The scheme was proposed by M. Blaskiewicz and J.M. Brennan. It employs a barrier bucket to hold a half turn of beam in place during capture into two adjacent harmonic 4 buckets. After acceleration, this allows for 8 transfers of 2 bunches from Booster into 16 buckets on the AGS injection porch. During the Fall of 2011 the necessary hardware was developed and implemented by the RF and Controls groups. The scheme is presently being commissioned by K.L. Zeno with Au32+ ions from EBIS. In this note we carry out simulations of the RF capture. These are meant to serve as benchmarks for what can be achieved in practice. They also allow for an estimate of the longitudinal emittance of the bunches on the AGS injection porch.
Date: January 23, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Parameters for the injection, acceleration, and extraction of gold and copper ions in Booster, AGS, and RHIC (open access)

Parameters for the injection, acceleration, and extraction of gold and copper ions in Booster, AGS, and RHIC

N/A
Date: November 27, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Parameters for the injection, acceleration, and extraction of uranium ions in Booster, AGS, and RHIC (open access)

Parameters for the injection, acceleration, and extraction of uranium ions in Booster, AGS, and RHIC

N/A
Date: November 27, 2012
Creator: Gardner, C. J.
System: The UNT Digital Library
Interim Report on Multiple Sequence Alignments and TaqMan Signature Mapping to Phylogenetic Trees (open access)

Interim Report on Multiple Sequence Alignments and TaqMan Signature Mapping to Phylogenetic Trees

The goal of this project is to develop forensic genotyping assays for select agent viruses, addressing a significant capability gap for the viral bioforensics and law enforcement community. We used a multipronged approach combining bioinformatics analysis, PCR-enriched samples, microarrays and TaqMan assays to develop high resolution and cost effective genotyping methods for strain level forensic discrimination of viruses. We have leveraged substantial experience and efficiency gained through year 1 on software development, SNP discovery, TaqMan signature design and phylogenetic signature mapping to scale up the development of forensics signatures in year 2. In this report, we have summarized the Taqman signature development for South American hemorrhagic fever viruses, tick-borne encephalitis viruses and henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever virus, Rift Valley fever virus and Japanese encephalitis virus.
Date: March 27, 2012
Creator: Gardner, S & Jaing, C
System: The UNT Digital Library
Interim report on updated microarray probes for the LLNL Burkholderia pseudomallei SNP array (open access)

Interim report on updated microarray probes for the LLNL Burkholderia pseudomallei SNP array

The overall goal of this project is to forensically characterize 100 unknown Burkholderia isolates in the US-Australia collaboration. We will identify genome-wide single nucleotide polymorphisms (SNPs) from B. pseudomallei and near neighbor species including B. mallei, B. thailandensis and B. oklahomensis. We will design microarray probes to detect these SNP markers and analyze 100 Burkholderia genomic DNAs extracted from environmental, clinical and near neighbor isolates from Australian collaborators on the Burkholderia SNP microarray. We will analyze the microarray genotyping results to characterize the genetic diversity of these new isolates and triage the samples for whole genome sequencing. In this interim report, we described the SNP analysis and the microarray probe design for the Burkholderia SNP microarray.
Date: March 27, 2012
Creator: Gardner, S & Jaing, C
System: The UNT Digital Library
Interim Report on SNP analysis and forensic microarray probe design for South American hemorrhagic fever viruses, tick-borne encephalitis virus, henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever viruses, Rift Valley fever (open access)

Interim Report on SNP analysis and forensic microarray probe design for South American hemorrhagic fever viruses, tick-borne encephalitis virus, henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever viruses, Rift Valley fever

The goal of this project is to develop forensic genotyping assays for select agent viruses, enhancing the current capabilities for the viral bioforensics and law enforcement community. We used a multipronged approach combining bioinformatics analysis, PCR-enriched samples, microarrays and TaqMan assays to develop high resolution and cost effective genotyping methods for strain level forensic discrimination of viruses. We have leveraged substantial experience and efficiency gained through year 1 on software development, SNP discovery, TaqMan signature design and phylogenetic signature mapping to scale up the development of forensics signatures in year 2. In this report, we have summarized the whole genome wide SNP analysis and microarray probe design for forensics characterization of South American hemorrhagic fever viruses, tick-borne encephalitis viruses and henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever virus, Rift Valley fever virus and Japanese encephalitis virus.
Date: June 5, 2012
Creator: Jaing, C & Gardner, S
System: The UNT Digital Library
Site characterization methodology for deep borehole disposal. (open access)

Site characterization methodology for deep borehole disposal.

None
Date: September 1, 2012
Creator: Vaughn, Palmer; Arnold, Bill Walter; Altman, Susan Jeanne; Brady, Patrick Vane & Gardner, William Payton
System: The UNT Digital Library
Proton beam lifetime increase with 10- and 12-pole correctors in the Relativistic Heavy Ion Collider (open access)

Proton beam lifetime increase with 10- and 12-pole correctors in the Relativistic Heavy Ion Collider

N/A
Date: November 1, 2012
Creator: Fischer, W.; Beebe-Wang, J.; Gu, X.; Luo, Y. & Nemesure, S.
System: The UNT Digital Library
Proton beam lifetime increase with 10- and 12-pole correctors in the Relativistic Heavy Ion Collider (open access)

Proton beam lifetime increase with 10- and 12-pole correctors in the Relativistic Heavy Ion Collider

N/A
Date: October 31, 2012
Creator: Fischer, W.; Beebe-Wang, J.; Gu, X.; Luo, Y. & Nemesure, S.
System: The UNT Digital Library
California GAMA Special Study: A Noble Gas Membrane Inlet Mass Spectrometry (NG-MIMS) system for water and gas samples (open access)

California GAMA Special Study: A Noble Gas Membrane Inlet Mass Spectrometry (NG-MIMS) system for water and gas samples

None
Date: April 12, 2012
Creator: Visser, A.; Singleton, M. J.; Hillegonds, D. J.; Velsko, C. A.; Moran, J. E. & Esser, B. K.
System: The UNT Digital Library
Presidential Nominating Process: Current Issues (open access)

Presidential Nominating Process: Current Issues

This report discusses issues regarding the Presidential Nomination Process including information about the 2008 election, calendar changes from 1988 to 2008, changes to national party rules for 2012, an evaluation of the primary system, reform proposals, and legislative considerations.
Date: January 27, 2012
Creator: Coleman, Kevin J.
System: The UNT Digital Library
A Description of the Full Particle Orbit Following SPIRAL Code for Simulating Fast-ion Experiments in Tokamaks (open access)

A Description of the Full Particle Orbit Following SPIRAL Code for Simulating Fast-ion Experiments in Tokamaks

The numerical methods used in the full particle-orbit following SPIRAL code are described and a number of physics studies performed with the code are presented to illustrate its capabilities. The SPIRAL code is a test-particle code and is a powerful numerical tool to interpret and plan fast-ion experiments in Tokamaks. Gyro-orbit effects are important for fast ions in low-field machines such as NSTX and to a lesser extent in DIII-D. A number of physics studies are interlaced between the description of the code to illustrate its capabilities. Results on heat loads generated by a localized error-field on the DIII-D wall are compared to measurements. The enhanced Triton losses caused by the same localized error-field are calculated and compared to measured neutron signals. MHD activity such as tearing modes and Toroidicity-induced Alfven Eigenmodes (TAEs) have a profound effect on the fast-ion content of Tokamak plasmas and SPIRAL can calculate the effects of MHD activity on the confined and lost fast-ion population as illustrated for a burst of TAE activity in NSTX. The interaction between Ion Cyclotron Range of Frequency (ICRF) heating and fast ions depends solely on the gyro-motion of the fast ions and is captured exactly in the SPIRAL code. …
Date: July 27, 2012
Creator: Kramer, G. J.; Budny, R. V.; Bortolon, A.; Fredrickson, E. D.; Fu, G. Y.; Heidbrink, W. W. et al.
System: The UNT Digital Library
Compact X-ray Light Source Workshop Report (open access)

Compact X-ray Light Source Workshop Report

This report, produced jointly by EMSL and FCSD, is the result of a workshop held in September 2011 that examined the utility of a compact x-ray light source (CXLS) in addressing many scientific challenges critical to advancing energy science and technology.
Date: December 1, 2012
Creator: Thevuthasan, Suntharampillai; Evans, James E.; Terminello, Louis J.; Koppenaal, David W.; Manke, Kristin L. & Plata, Charity
System: The UNT Digital Library
Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience (open access)

Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience

Many countries -- reflecting very different geographies, markets, and power systems -- are successfully managing high levels of variable renewable energy on the electric grid, including that from wind and solar energy. This study documents the diverse approaches to effective integration of variable renewable energy among six countries -- Australia (South Australia), Denmark, Germany, Ireland, Spain, and the United States (Western region-Colorado and Texas)-- and summarizes policy best practices that energy ministers and other stakeholders can pursue to ensure that electricity markets and power systems can effectively coevolve with increasing penetrations of variable renewable energy. Each country has crafted its own combination of policies, market designs, and system operations to achieve the system reliability and flexibility needed to successfully integrate renewables. Notwithstanding this diversity, the approaches taken by the countries studied all coalesce around five strategic areas: lead public engagement, particularly for new transmission; coordinate and integrate planning; develop rules for market evolution that enable system flexibility; expand access to diverse resources and geographic footprint of operations; and improve system operations. The ability to maintain a broad ecosystem perspective, to organize and make available the wealth of experiences, and to ensure a clear path from analysis to enactment should be …
Date: April 1, 2012
Creator: Cochran, J.; Bird, L.; Heeter, J. & Arent, D. A.
System: The UNT Digital Library
Addressing Medicare Hospital Readmissions (open access)

Addressing Medicare Hospital Readmissions

This report highlights the issue of one-fifth of medicare patients in 2005 being readmitted to a hospital within thirty days time. These readmissions put a strain on the budget, the majority of which it is estimated may be avoidable. The report notes that Medicare as a program is working on moving around those difficulties, without reducing the quality of care.
Date: May 25, 2012
Creator: Tilson, Sibyl
System: The UNT Digital Library
Compatibility Study for Plastic, Elastomeric, and Metallic Fueling Infrastructure Materials Exposed to Aggressive Formulations of Ethanol-blended Gasoline (open access)

Compatibility Study for Plastic, Elastomeric, and Metallic Fueling Infrastructure Materials Exposed to Aggressive Formulations of Ethanol-blended Gasoline

In 2008 Oak Ridge National Laboratory began a series of experiments to evaluate the compatibility of fueling infrastructure materials with intermediate levels of ethanol-blended gasoline. Initially, the focus was elastomers, metals, and sealants, and the test fuels were Fuel C, CE10a, CE17a and CE25a. The results of these studies were published in 2010. Follow-on studies were performed with an emphasis on plastic (thermoplastic and thermoset) materials used in underground storage and dispenser systems. These materials were exposed to test fuels of Fuel C and CE25a. Upon completion of this effort, it was felt that additional compatibility data with higher ethanol blends was needed and another round of experimentation was performed on elastomers, metals, and plastics with CE50a and CE85a test fuels. Compatibility of polymers typically relates to the solubility of the solid polymer with a solvent. It can also mean susceptibility to chemical attack, but the polymers and test fuels evaluated in this study are not considered to be chemically reactive with each other. Solubility in polymers is typically assessed by measuring the volume swell of the polymer exposed to the solvent of interest. Elastomers are a class of polymers that are predominantly used as seals, and most o-ring and …
Date: July 1, 2012
Creator: Kass, Michael D; Pawel, Steven J; Theiss, Timothy J & Janke, Christopher James
System: The UNT Digital Library
Fundamental Physics at the Intensity Frontier. Report of the Workshop Held December 2011 in Rockville, MD. (open access)

Fundamental Physics at the Intensity Frontier. Report of the Workshop Held December 2011 in Rockville, MD.

Particle physics aims to understand the universe around us. The Standard Model of particle physics describes the basic structure of matter and forces, to the extent we have been able to probe thus far. However, it leaves some big questions unanswered. Some are within the Standard Model itself, such as why there are so many fundamental particles and why they have different masses. In other cases, the Standard Model simply fails to explain some phenomena, such as the observed matter-antimatter asymmetry in the universe, the existence of dark matter and dark energy, and the mechanism that reconciles gravity with quantum mechanics. These gaps lead us to conclude that the universe must contain new and unexplored elements of Nature. Most of particle and nuclear physics is directed towards discovering and understanding these new laws of physics. These questions are best pursued with a variety of approaches, rather than with a single experiment or technique. Particle physics uses three basic approaches, often characterized as exploration along the cosmic, energy, and intensity frontiers. Each employs different tools and techniques, but they ultimately address the same fundamental questions. This allows a multi-pronged approach where attacking basic questions from different angles furthers knowledge and provides …
Date: June 5, 2012
Creator: Hewett, J. L.; Weerts, H.; Brock, R.; Butler, J. N.; Casey, B. C. K.; Lu, Z. T. et al.
System: The UNT Digital Library
Rapid, Low-Cost Noble Gas Tracer Monitoring to Determine Travel Times at Recharge Operations (open access)

Rapid, Low-Cost Noble Gas Tracer Monitoring to Determine Travel Times at Recharge Operations

None
Date: February 28, 2012
Creator: Visser, A.; Singleton, M.; Hillegonds, D.; Velsko, C.; Moran, J. E. & Esser, B. K.
System: The UNT Digital Library
Expanding the CareerAdvance Program in Tulsa, Oklahoma (open access)

Expanding the CareerAdvance Program in Tulsa, Oklahoma

Report discussing the CareerAdvance program, which is designed as a two-generation strategy to lift people out of poverty.
Date: January 2012
Creator: Glover, Robert W.; King, Christopher T. & Smith, Tara Carter
System: The Portal to Texas History
The Evolution of the CareerAdvance Program in Tulsa, Oklahoma (open access)

The Evolution of the CareerAdvance Program in Tulsa, Oklahoma

This is the third report focusing on the implementation of CareerAdvance, a program for training parents of Head Start and Early Head Start children in order provide low-income individuals with opportunities to seek work in the healthcare industry.
Date: October 2012
Creator: Smith, Tara C.; Douglas, Rachel V. & Glover, Robert W.
System: The Portal to Texas History
Consistent Adjoint Driven Importance Sampling using Space, Energy and Angle (open access)

Consistent Adjoint Driven Importance Sampling using Space, Energy and Angle

For challenging radiation transport problems, hybrid methods combine the accuracy of Monte Carlo methods with the global information present in deterministic methods. One of the most successful hybrid methods is CADIS Consistent Adjoint Driven Importance Sampling. This method uses a deterministic adjoint solution to construct a biased source distribution and consistent weight windows to optimize a specific tally in a Monte Carlo calculation. The method has been implemented into transport codes using just the spatial and energy information from the deterministic adjoint and has been used in many applications to compute tallies with much higher figures-of-merit than analog calculations. CADIS also outperforms user-supplied importance values, which usually take long periods of user time to develop. This work extends CADIS to develop weight windows that are a function of the position, energy, and direction of the Monte Carlo particle. Two types of consistent source biasing are presented: one method that biases the source in space and energy while preserving the original directional distribution and one method that biases the source in space, energy, and direction. Seven simple example problems are presented which compare the use of the standard space/energy CADIS with the new space/energy/angle treatments.
Date: August 1, 2012
Creator: Peplow, Douglas E.; Mosher, Scott W & Evans, Thomas M
System: The UNT Digital Library