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Bumps and poles in the S-matrix: A systematic study of 0 sup ++ and 2 sup ++ mesons plus a molecule approach to the E(1420) in the K K. pi. system
The goal of Hadron Spectroscopy is to find the spectrum of states formed by color singlet arrangements of quarks and gluons. Ideally these spectral states are associated with poles of the scattering matrix of hadrons which are the decay channels of the states. For example the {rho} meson is the lowest q{bar q} s-wave, spin one color singlet state and decays into {pi}{sup +}{pi}{sup -}. Since the {rho}decays in a relative p-wave, one finds the {rho} pole in the I = 1 p-wave {pi}{pi} phase shifts. There are forces between quarks and gluons which do not manifest themselves as true resonances and thus cannot be described by a Breit-Wigner pole. I will give some examples that are not Breit-Wigner poles of the scattering matrix but are important bumps in meson production. 22 refs., 10 figs.
Date:
November 16, 1989
Creator:
Longacre, R. S.
Object Type:
Article
System:
The UNT Digital Library
Magnetic shielding tests for MFTF-B neutral beamlines
A test program to determine the effectiveness of various magnetic shielding designs for MFTF-B beamlines was established at Lawrence Livermore National Laboratory (LLNL). The proposed one-tenth-scale shielding-design models were tested in a uniform field produced by a Helmholtz coil pair. A similar technique was used for the MFTF source-injector assemblies, and the model test results were confirmed during the Technology Demonstration in 1982. The results of these tests on shielding designs for MFTF-B had an impact on the beamline design for MFTF-B. The iron-core magnet and finger assembly originally proposed were replaced by a simple, air-core, race-track-coil, bending magnet. Only the source injector needs to be magnetically shielded from the fields of approximately 400 gauss.
Date:
November 16, 1983
Creator:
Kerns, J.; Fabyan, J.; Wood, R. & Koger, P.
Object Type:
Article
System:
The UNT Digital Library
Technological implications of SNAP reactor power system development on future space nuclear power systems
Nuclear reactor systems are one method of satisfying space mission power needs. The development of such systems must proceed on a path consistent with mission needs and schedules. This path, or technology roadmap, starts from the power system technology data base available today. Much of this data base was established during the 1960s and early 1970s, when government and industry developed space nuclear reactor systems for steady-state power and propulsion. One of the largest development programs was the Systems for Nuclear Auxiliary Power (SNAP) Program. By the early 1970s, a technology base had evolved from this program at the system, subsystem, and component levels. There are many implications of this technology base on future reactor power systems. A review of this base highlights the need for performing a power system technology and mission overview study. Such a study is currently being performed by Rockwell's Energy Systems Group for the Department of Energy and will assess power system capabilities versus mission needs, considering development, schedule, and cost implications. The end product of the study will be a technology roadmap to guide reactor power system development.
Date:
November 16, 1982
Creator:
Anderson, R.V.
Object Type:
Report
System:
The UNT Digital Library
Three wavelength optical alignment of the Nova laser
The Nova laser, presently under construction at Lawrence Livermore National Laboratory, will be capable of delivering more than 100 kJ of focused energy to an Inertial Confinement Fusion (ICF) target. Operation at the fundamental wavelength of the laser (1.05 ..mu..m) and at the second and third harmonic will be possible. This paper will discuss the optical alignment systems and techniques being implemented to align the laser output to the target at these wavelengths prior to each target irradiation. When experiments require conversion of the laser light to wavelengths of 0.53 ..mu..m and 0.35 ..mu..m prior to target irradiation, this will be accomplished in harmonic conversion crystals located at the beam entrances to the target chamber. The harmonic alignment system will be capable of introducing colinear alignment beams of all three wavelengths into the laser chains at the final spatial filter. The alignment beam at 1.05 ..mu..m will be about three cm in diameter and intense enough to align the conversion crystals. Beams at 0.53 ..mu..m and 0.35 ..mu..m will be expanded by the spatial filter to full aperture (74 cm) and used to illuminate the target and other alignment aids at the target chamber focus. This harmonic illumination system will …
Date:
November 16, 1983
Creator:
Swift, C. D.; Bliss, E. S.; Jones, W. A. & Seppala, L. G.
Object Type:
Article
System:
The UNT Digital Library
Establishment and maintenance of a coal sample bank and data base
For each sample, one 30-gallon drum containing approximately 90 lb of coal at {minus}1/4 inch was designated for headspace oxygen analysis and coal quality monitoring at yearly intervals. Headspace oxygen analysis and retrieval of a 5-lb sample for coal analysis have begun. Headspace oxygen contents are shown in Table 1. Preparation and analysis of these samples for the second yearly quality evaluation is in progress. We have initiated a study of different means of storage in preventing sample deterioration and in maintaining an inert headspace atmosphere. The work was performed with support from the Penn State Cooperative Program in Coal Research. A run-of-mine sample of medium-volatile bituminous Lower Kittanning coal was collected as PSOC-1536 and promptly processed. Gieseler fluidity FSI, alkali extraction and preparation of petrographic pellets were accomplished within 32 hours of extraction of the coal from the mine face. Splits of the sample were sealed under argon in several container types.
Date:
November 16, 1989
Creator:
Davis, A.
Object Type:
Report
System:
The UNT Digital Library
Forest Service: Consolidation of the Rocky Mountain Forest and Range Experiment Station With the Intermountain Research Station
Correspondence issued by the General Accounting Office with an abstract that begins "The Forest Service consolidated its Rocky Mountain Forest and Range Experiment Station with its Intermountain Research Station. The resulting consolidated station was renamed the Rocky Mountain Research Station and was relocated to Fort Collins, Colorado. The Forest Service originally proposed consolidating the two stations in 1992 but delayed taking any action until it completed its reorganizational assessment in May 1997. The Forest Service cut 18 managerial and administrative staff positions during the consolidation. The positions that were eliminated were either transferred to other Forest Service units or were vacated through retirement or employee buyouts. Since 1992, the research funding available to the merged station has remained relatively constant, about 15 percent of the Forest Service's budget for research stations, and the number of employees has remained relatively stable."
Date:
November 16, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Recovering Servicemembers and Veterans: Sustained Leadership Attention and Systematic Oversight Needed to Resolve Persistent Problems Affecting Care and Benefits
A letter report issued by the Government Accountability Office with an abstract that begins "Deficiencies exposed at Walter Reed Army Medical Center in 2007 served as a catalyst compelling the Departments of Defense (DOD) and Veterans Affairs (VA) to address a host of problems for wounded, ill, and injured servicemembers and veterans as they navigate through the recovery care continuum. This continuum extends from acute medical treatment and stabilization, through rehabilitation to reintegration, either back to active duty or to the civilian community as a veteran. In spite of 5 years of departmental efforts, recovering servicemembers and veterans are still facing problems with this process and may not be getting the services they need. Key departmental efforts included the creation or modification of various care coordination and case management programs, including the military services' wounded warrior programs. However, these programs are not always accessible to those who need them due to the inconsistent methods, such as referrals, used to identify potentially eligible servicemembers, as well as inconsistent eligibility criteria across the military services' wounded warrior programs. The departments also jointly established an integrated disability evaluation system to expedite the delivery of benefits to servicemembers. However, processing times for disability determinations …
Date:
November 16, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Financial Audit: Securities and Exchange Commission's Financial Statements for Fiscal Years 2009 and 2008
A letter report issued by the Government Accountability Office with an abstract that begins "Established in 1934 to enforce the securities laws and protect investors, the United States Securities and Exchange Commission (SEC) plays an important role in maintaining the integrity of the U.S. securities markets. Pursuant to the Accountability of Tax Dollars Act of 2002, SEC is required to prepare and submit to Congress and the Office of Management and Budget audited financial statements. GAO agreed, under its audit authority, to perform the audit of SEC's financial statements to determine whether (1) the financial statements are fairly stated, and (2) SEC management maintained effective internal control. GAO also tested SEC's compliance with selected provisions of significant laws and regulations."
Date:
November 16, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Food Safety in the 111th Congress: H.R. 2749 and S. 510
This report discusses whether the current food safety system has the resources, authority, and structural organization to safeguard the health of American consumers, who spend more than $1 trillion on food each year. Also at issue is whether federal food safety laws, first enacted in the early 1900s, have kept pace with the significant changes that have occurred in the food production, processing, and marketing sectors since then.
Date:
November 16, 2010
Creator:
Johnson, Renée; Lister, Sarah A.; Williams, Erin D. & Burrows, Vanessa K.
Object Type:
Report
System:
The UNT Digital Library
Export Controls: Agency Actions and Proposed Reform Initiatives May Address Previously Identified Weaknesses, but Challenges Remain
Correspondence issued by the Government Accountability Office with an abstract that begins "Each year, billions of dollars in arms and "dual-use" items--items that have both commercial and military applications--are exported to U.S. allies and strategic partners. To further national security, foreign policy, and economic interests, the U.S. government controls the export of these items. Over the past 10 years, we have reported on numerous weaknesses in the export control system, including poor coordination among the multiple agencies involved, which have led to jurisdictional disputes and enforcement challenges, and the lack of systematic assessment of the overall effectiveness of the export control system. As a result, since 2007 the arms and dual-use export control systems have been included as part of our high-risk area on ensuring the effective protection of technologies critical to U.S. national security interests. We have also called for a strategic reexamination of existing programs within the U.S. export control system to identify needed changes and ensure the advancement of U.S. interests. In August 2009, the President announced that he had directed a comprehensive review of the U.S. export control system and, in April 2010, proposed a framework under which the current system would be streamlined to include …
Date:
November 16, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Department Of Veterans Affairs: Improvements Needed in Corrective Action Plans to Remediate Financial Reporting Material Weaknesses
A letter report issued by the Government Accountability Office with an abstract that begins "In fiscal year 2008, the Department of Veterans Affairs (VA) identified three material internal control weaknesses over financial reporting--financial management system functionality, IT security controls, and financial management oversight. VA is developing a new financial system--FLITE--but full implementation is not expected until 2014. Therefore, the Subcommittee asked us to determine whether VA corrective action plans and oversight are appropriately focused on near-term actions to provide improved financial information. This report addresses (1) the nature of the internal control weaknesses identified in the VA fiscal year 2008 financial audit report and how long they have been outstanding, (2) whether VA had plans appropriately focused on near-term corrective actions, and (3) whether VA had appropriate oversight mechanisms in place to help assure that near-term corrective action plans are implemented on schedule. GAO reviewed corrective action plans for significant deficiencies underlying 2 of the 3 material weaknesses and performed additional analysis for two underlying significant deficiencies."
Date:
November 16, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Climate Change Adaptation: Federal Efforts to Provide Information Could Help Government Decision Making
Testimony issued by the Government Accountability Office with an abstract that begins "Climate change is a complex, crosscutting issue that poses risks to many existing environmental and economic systems, including agriculture, infrastructure, ecosystems, and human health. A 2009 assessment by the United States Global Change Research Program (USGCRP) found that climate-related changes--such as rising temperature and sea level--will combine with pollution, population growth, urbanization, and other social, economic, and environmental stresses to create larger impacts than from any of these factors alone. According to the National Academies, USGCRP, and others, greenhouse gases already in the atmosphere will continue altering the climate system into the future, regardless of emissions control efforts. Therefore, adaptation--defined as adjustments to natural or human systems in response to actual or expected climate change--is an important part of the response to climate change. This testimony addresses (1) the data challenges that federal, state, and local officials face in their efforts to adapt to a changing climate, (2) the actions federal agencies could take to help address these challenges, and (3) federal climate change strategic planning efforts. The information in this testimony is based on prior work, largely on GAO's recent reports on climate change adaptation (GAO-10-113) and …
Date:
November 16, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Private Pensions: Changes Needed to Provide 401(k) Plan Participants and the Department of Labor Better Information on Fees
A letter report issued by the Government Accountability Office with an abstract that begins "American workers are increasingly relying on 401(k) plans, which allow pre-tax contributions to individual accounts, for their retirement income. As workers accrue earnings on their investments, they also pay a number of fees that may significantly decrease their retirement savings. Because of concerns about the effects of fees on participants' retirement savings, GAO examined (1) the types of fees associated with 401(k) plans and who pays these fees, (2) how information on fees is disclosed to plan participants, and (3) how the Department of Labor (Labor) oversees plan fees and certain business arrangements. GAO reviewed industry surveys on fees and interviewed Labor officials and pension professionals about disclosure and reporting practices."
Date:
November 16, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Tax Compliance: Some Hurricanes Katrina and Rita Disaster Assistance Recipients Have Unpaid Federal Taxes
Correspondence issued by the Government Accountability Office with an abstract that begins "Since February 2004, we have issued a series of reports detailing how some organizations and individuals, including defense, civilian agency, and General Services Administration (GSA) contractors; tax-exempt (not-for-profit) organizations; and Medicare physicians, abused the federal tax system at the same time they were doing business with or receiving benefits from the federal government. While we performed this work it came to our attention that some organizations and individuals that were recipients of federal grants and other direct assistance were also abusing the tax system. Thus, Congress asked us to perform additional work and report specifically on organizations and individuals that abuse the federal tax system at the same time they receive federal grants or other similar types of federal assistance, known as direct payments for specified use (direct assistance) programs. Based on Congressional request, we completed a forensic audit and related investigations of unpaid federal taxes owed by recipients of the Federal Emergency Management Agency's (FEMA) Individuals and Households Program (IHP) following hurricanes Katrina and Rita. IHP is a federal direct assistance program authorized by the Robert T. Stafford Disaster Relief and Emergency Assistance Act (Stafford Act), as …
Date:
November 16, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
United Nations: Renovation Planning Follows Industry Practices, but Procurement and Oversight Could Present Challenges
A letter report issued by the Government Accountability Office with an abstract that begins "The United Nations (UN) estimated in 2005 that renovating its headquarters will cost up to $1.75 billion. As the UN's host country and largest contributor, the United States has a substantial interest in the project's success. In this report, we (1) determine whether the development of the Capital Master Plan (CMP) has been consistent with leading industry practices, (2) examine factors that led to changes in the cost estimate and determine whether the 2005 estimate was updated using industry practices, (3) review the status of financing of the renovation, (4) identify decisions needed for the renovation to proceed, and (5) review UN oversight and State monitoring efforts. To address these objectives, we reviewed UN design and planning documents, including the latest cost estimate, to compare them with industry standards. To assess oversight, we reviewed Office of Internal Oversight Services (OIOS) and UN Board of Auditors reports and met with UN officials."
Date:
November 16, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Financial Audit: Federal Housing Finance Agency's Fiscal Year 2009 Financial Statements
A letter report issued by the Government Accountability Office with an abstract that begins "The Housing and Economic Recovery Act of 2008 (HERA) created the Federal Housing Finance Agency (FHFA) and gave it responsibility for, among other things, the supervision and oversight of Fannie Mae, Freddie Mac, and the 12 federal home loan banks. Specifically, FHFA was assigned responsibility for ensuring that each of the regulated entities operates in a fiscally safe and sound manner, including maintenance of adequate capital and internal controls, and carries out its housing and community development finance mission. HERA also requires FHFA to annually prepare financial statements, and further requires the Government Accountability Office (GAO) to audit these statements. Pursuant to HERA's requirement, GAO audited FHFA's fiscal year 2009 financial statements to determine whether (1) the financial statements were fairly stated and (2) FHFA management maintained effective internal control over financial reporting. GAO also tested FHFA's compliance with selected laws and regulations. GAO is not making any recommendations in this report. In commenting on a draft of this report, FHFA noted the challenges it faced in establishing the new agency while working to stabilize the housing market. It noted that it would continue to work …
Date:
November 16, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Small Business Administration: Opportunities Exist to Improve Oversight of Women's Business Centers and Coordination among SBA's Business Assistance Programs
A letter report issued by the Government Accountability Office with an abstract that begins "The Women's Business Center (WBC) Program provides training and counseling services to women entrepreneurs, especially those who are socially and economically disadvantaged. In fiscal year 2007, the Small Business Administration (SBA) funded awards to 99 WBCs. However, Congress and WBCs expressed concerns about the uncertain nature of the program's funding structure. Concerns have also been raised about whether the WBC and two other SBA programs, the Small Business Development Center (SBDC) and SCORE programs, duplicate services. This report addresses (1) uncertainties associated with the funding process for WBCs; (2) SBA's oversight of the WBC program; and (3) actions that SBA and WBCs have taken to avoid duplication among the WBC, SBDC, and SCORE programs. GAO reviewed policies, procedures, examinations, and studies related to the funding, oversight, and services of WBCs and interviewed SBA, WBC, SBDC, and SCORE officials."
Date:
November 16, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Global Malaria Control: U.S. and Multinational Investments and Implementation Challenges
Correspondence issued by the Government Accountability Office with an abstract that begins "Each year, hundreds of millions of people are sickened with malaria and more than 1 million people die. Over 80 percent of all malaria deaths occur in Africa, most of them in children under the age of 5. This burden continues despite the existence of relatively simple, safe, effective, and inexpensive methods to prevent and treat malaria. The U.S. government supports the efforts of malaria-endemic countries to control malaria, both directly through agencies such as the U.S. Agency for International Development (USAID) and indirectly through its contributions to multinational organizations such as the Global Fund to Fight HIV/AIDS, Tuberculosis, and Malaria (Global Fund) and its participation in the Roll Back Malaria (RBM) Partnership. However, concerns have been raised that current global malaria control efforts may not be as effective as they could be. In light of these concerns, Congress asked us to examine U.S. involvement in global efforts to combat malaria. In this report, we (1) describe investments that have been made by the U.S. government to support the implementation of national malaria control programs in malaria-endemic countries, both directly and in partnership with other organizations; and (2) …
Date:
November 16, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Valles Caldera: Trust Has Made Some Progress, but Needs to Do More to Meet Statutory Goals
A letter report issued by the Government Accountability Office with an abstract that begins "In 2000, Congress authorized the purchase of the Valles Caldera (the Caldera) in north-central New Mexico. The Valles Caldera Trust (Trust), a wholly owned government corporation, is to become financially self-sustaining and to manage the Caldera for multiple purposes while sustaining the land's valuable natural resources. GAO was mandated to assess the progress the Trust is making in meeting its statutory goals."
Date:
November 16, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Tax Compliance: Federal Grant and Direct Assistance Recipients Who Abuse the Federal Tax System
A letter report issued by the Government Accountability Office with an abstract that begins "Since February 2004, GAO has reported that weaknesses in the federal programs and controls that allowed thousands of federal contractors, tax exempt entities, and Medicare providers to receive government money while owing taxes. GAO was asked to determine if these problems exist for entities who receive federal grants or direct assistance and (1) describe the magnitude of taxes owed, (2) provide examples of grant recipients involved in abusive and potentially criminal activity, and (3) assess efforts to prevent delinquent taxpayers from participating in such programs. To perform this work, GAO analyzed data from the Internal Revenue Service (IRS), three of the largest grant and direct assistance payment systems, representing over $460 billion in payments in fiscal years 2005 and 2006, and the Housing and Urban Development (HUD) Section 8 tenant-based housing program. GAO investigated 20 cases to provide examples of grant recipients involved in abusive activity."
Date:
November 16, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Prescription Drugs: Improvements Needed in FDA's Oversight of Direct-to-Consumer Advertising
A letter report issued by the Government Accountability Office with an abstract that begins "The Food and Drug Administration (FDA) is responsible for overseeing direct-to-consumer (DTC) advertising of prescription drugs. If FDA identifies a violation of laws or regulations in a DTC advertising material, the agency may issue a regulatory letter asking the drug company to take specific actions. GAO was asked to discuss (1) trends in drug company spending on DTC advertising and other activities; (2) what is known about the relationship between DTC advertising and drug spending and utilization; (3) the DTC advertising materials FDA reviews; (4) the number of regulatory letters that cited DTC materials and FDA's process for issuing those letters; and (5) the effectiveness of these letters at limiting the dissemination of violative DTC advertising. GAO reviewed research literature, analyzed FDA's processes, and examined FDA documentation."
Date:
November 16, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Immigration Benefits: Seventeenth Report Required by the Haitian Refugee Immigration Fairness Act of 1998
Correspondence issued by the Government Accountability Office with an abstract that begins "This report responds to certain requirements of the Haitian Refugee Immigration Fairness Act (HRIFA) of 1998 that authorized certain Haitian nationals and their dependents to apply to adjust their status to lawful permanent residence. Section 902 (k) of the act requires the Comptroller General to report every 6 months on the number of Haitian nationals who have applied and been approved to adjust their status to lawful permanent residence. The reports are to contain a breakdown of the number of Haitians who applied and the number who were approved as asylum applicants, parolees, children without parents, orphaned children, or abandoned children; or as the eligible dependents of these applicants, including spouses, children, and unmarried sons or daughters. Reports are to be provided until all applications have been finally adjudicated. This is our seventeenth report."
Date:
November 16, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Recovery Act: Agencies Are Addressing Broadband Program Challenges, but Actions Are Needed to Improve Implementation
A letter report issued by the Government Accountability Office with an abstract that begins "Access to broadband service is seen as vital to economic, social, and educational development, yet many areas of the country lack access to, or their residents do not use, broadband. To expand broadband deployment and adoption, the American Recovery and Reinvestment Act (Recovery Act) provided $7.2 billion to the Department of Commerce's National Telecommunications and Information Administration (NTIA) and the Department of Agriculture's Rural Utilities Service (RUS) for grants or loans to a variety of program applicants. The agencies must award all funds by September 30, 2010. This report addresses the challenges NTIA and RUS face; steps taken to address challenges; and remaining risks in (1) evaluating applications and awarding funds and (2) overseeing funded projects. The Government Accountability Office (GAO) reviewed relevant laws and program documents and interviewed agency officials and industry stakeholders."
Date:
November 16, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Health Care Delivery: Features of Integrated Systems Support Patient Care Strategies and Access to Care, but Systems Face Challenges
A letter report issued by the Government Accountability Office with an abstract that begins "Health care delivery in the United States often lacks coordination and communication across providers and settings. This fragmentation can lead to poor quality of care, medical errors, and higher costs. Providers have formed integrated delivery systems (IDS) to improve efficiency, quality, and access. The Health Care Safety Net Act of 2008 directed GAO to report on IDSs that serve underserved populations--those that are uninsured or medically underserved (i.e., facing economic, geographic, cultural, or linguistic barriers to care, including Medicaid enrollees and rural populations). In October 2009, GAO provided an oral briefing. In this follow-on report, GAO describes (1) organizational features IDSs use to support strategies to improve care; (2) approaches IDSs use to facilitate access for underserved populations; and (3) challenges IDSs encounter in providing care, including to underserved populations. GAO selected a judgmental sample of 15 private and public IDSs that are clinically integrated across primary, specialty, and acute care; they vary in their degree of integration, specific organizational features, and payer mix (e.g., extent to which they serve Medicare and Medicaid beneficiaries and the uninsured). GAO interviewed chief medical officers or other system officials …
Date:
November 16, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library