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251 Matching Results
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China's Holdings of U.S. Securities: Implications for the U.S. Economy
This report examines the importance to the U.S. economy of China's investment in U.S. securities, as well as the policy implications of its holdings for both the United States and China.
Date:
August 19, 2013
Creator:
Morrison, Wayne M. & Labonte, Marc
Object Type:
Report
System:
The UNT Digital Library
Egypt in Crisis: Issues for Congress
This report provides a brief overview of the key issues for the 113th Congress related to Egypt.
Date:
August 19, 2013
Creator:
Sharp, Jeremy M.
Object Type:
Report
System:
The UNT Digital Library
FY2014 National Defense Authorization Act: Selected Military Personnel Issues
Report regarding the annual defense authorization process and the interest Congress members have in the military.
Date:
August 19, 2013
Creator:
Jansen, Don J.; Blakeley, Katherine; Burrelli, David F.; Kapp, Lawrence; Martinez, Lucy P. & Theohary, Catherine A.
Object Type:
Report
System:
The UNT Digital Library
Child Care: Overview of Relevant Employment Laws and Cases of Sex Offenders at Child Care Facilities
A letter report issued by the Government Accountability Office with an abstract that begins "Very little is known about sexual abuse among children that are regularly cared for by more than 1.3 million child care providers every week in the United States. In this context, GAO was asked to (1) provide an overview of federal and state laws related to the employment of sex offenders at child care facilities and (2) examine cases where individuals who were convicted of serious sexual offenses were subsequently employed or present at child care facilities. To provide an overview of selected laws, GAO searched for prohibitions against offenders being present at child care facilities, requirements for conducting criminal-history checks, and penalties for violating these requirements. The cases GAO examined focus only on individuals who were convicted of serious sexual offenses and cannot be generalized to all child care facilities. To identify the cases, GAO reviewed open-source information from 2000 to 2010. GAO also compared the years 2007 to 2009 in employment databases from 20 states and the District of Columbia to data in the National Sex Offender Registry. GAO ultimately selected 10 cases from eight states and the District of Columbia for review. For …
Date:
August 19, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Congressional Liaison Offices of Selected Federal Agencies
This list of about 150 congressional liaison offices is intended to help congressional offices in placing telephone calls and addressing correspondence to government agencies. In each case, the information was supplied by the agency itself and is current as of the date of publication. Entries are arranged alphabetically in four sections: legislative branch; judicial branch; executive branch; and agencies, boards, and commissions.
Date:
August 19, 2010
Creator:
Crane-Hirsch, Audrey Celeste
Object Type:
Report
System:
The UNT Digital Library
Carbon Trading: Current Situation and Oversight Considerations for Policymakers
Correspondence issued by the Government Accountability Office with an abstract that begins "This letter is our response to a congressional request concerning carbon trading in the United States and various design and implementation issues to be considered in discussions about a possible national carbon trading program. Industrial activities in the United States emit significant amounts of carbon dioxide and other greenhouse gases each year, substantially affecting the earth's climate, according to the National Academy of Sciences. In an effort to reduce these emissions, some have suggested capping emissions and allowing them to be traded in secondary markets just as other commodities are traded. We briefed congressional committee staff on the results of our work on July 23, 2010. Specifically, we provided information on (1) carbon-related products currently traded in the United States and the extent of trading; (2) risks and challenges posed by these products; (3) the extent to which and how these products are regulated; and (4) issues that market observers identified for policymaker consideration as part of creating a national cap-and-trade carbon market."
Date:
August 19, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Homeland Security: Actions Needed to Improve Response to Potential Terrorist Attacks and Natural Disasters Affecting Food and Agriculture
A letter report issued by the Government Accountability Office with an abstract that begins "The President issued Homeland Security Presidential Directive (HSPD) -9 in 2004 to establish a national policy to defend the food and agriculture systems against terrorist attacks, major disasters, and other emergencies. HSPD-9 assigns various emergency response and recovery responsibilities to the Departments of Agriculture (USDA), Health and Human Services (HHS), Homeland Security (DHS), and others. In addition, Emergency Support Function (ESF) -11 addresses the federal food and agriculture response during emergencies and is coordinated by USDA. GAO was asked to evaluate (1) the extent to which there is oversight of federal agencies' overall progress in implementing HSPD-9; (2) the steps USDA has taken to implement its HSPD-9 responsibilities for response and recovery and challenges, if any; and (3) the circumstances under which USDA has coordinated an ESF-11 response and challenges it faces, if any. GAO reviewed key documents; surveyed states; and interviewed agency, state, and industry officials."
Date:
August 19, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Current Quality Assurance Practices in Web Archiving
This paper presents the results of a survey of quality assurance (QA) practices within the field of web archiving. To understand current QA practices, the authors surveyed 54 institutions engaged in web archiving, which included national libraries, colleges and universities, and museums and art libraries.
Date:
August 19, 2014
Creator:
Reyes Ayala, Brenda; Phillips, Mark Edward & Ko, Lauren
Object Type:
Paper
System:
The UNT Digital Library
The Greensheet (Houston, Tex.), Vol. 41, No. 344, Ed. 1 Thursday, August 19, 2010
Free weekly newspaper that includes business and classified advertising.
Date:
August 19, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 42, No. 346, Ed. 1 Friday, August 19, 2011
Free weekly newspaper that includes business and classified advertising.
Date:
August 19, 2011
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 41, No. 33, Ed. 1 Thursday, August 19, 2010
Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date:
August 19, 2010
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 41, No. 345, Ed. 1 Thursday, August 19, 2010
Free weekly newspaper that includes business and classified advertising.
Date:
August 19, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 42, No. 348, Ed. 1 Friday, August 19, 2011
Free weekly newspaper that includes business and classified advertising.
Date:
August 19, 2011
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Mineola Monitor (Mineola, Tex.), Vol. 140, No. 33, Ed. 1 Wednesday, August 19, 2015
Weekly newspaper from Mineola, Texas that includes local, state, and national news along with advertising.
Date:
August 19, 2015
Creator:
Newman, Doris
Object Type:
Newspaper
System:
The Portal to Texas History
Army Corps of Engineers Water Resource Projects: Authorization and Appropriations
The U.S. Army Corps of Engineers attracts congressional attention because its projects can have significant local and regional economic benefits and environmental effects, in addition to their water resource development purposes. 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. It also includes an Appendix on the evolution of Corps civil works missions and authorities and a description of the limits on the Corps' role in levee accreditation and improvements for the National Flood Insurance Program (NFIP).
Date:
August 19, 2011
Creator:
Carter, Nicole T. & Stern, Charles V.
Object Type:
Report
System:
The UNT Digital Library
Texas Register, Volume 36, Number 33, Pages 5141-5246, August 19, 2011
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
August 19, 2011
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 64, No. 33, Ed. 1 Thursday, August 19, 2010
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
August 19, 2010
Creator:
Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Dallas Voice (Dallas, Tex.), Vol. 28, No. 14, Ed. 1 Friday, August 19, 2011
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
August 19, 2011
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
Unemployment Insurance: Consequences of Changes in State Unemployment Compensation Laws
None
Date:
August 19, 2014
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Linac Alignment Algorithm: Analysis on 1-to-1 Steering
In a linear accelerator, it is important to achieve a good alignment between all of its components (such as quadrupoles, RF cavities, beam position monitors et al.), in order to better preserve the beam quality during acceleration. After the survey of the main linac components, there are several beam-based alignment (BBA) techniques to be applied, to further optimize the beam trajectory and calculate the corresponding steering magnets strength. Among these techniques the most simple and straightforward one is the one-to-one (1-to-1) steering technique, which steers the beam from quad center to center, and removes the betatron oscillation from quad focusing. For a future linear collider such as the International Linear Collider (ILC), the initial beam emittance is very small in the vertical plane (flat beam with {gamma}{epsilon}{sub y} = 20-40nm), which means the alignment requirement is very tight. In this note, we evaluate the emittance growth with one-to-one correction algorithm employed, both analytically and numerically. Then the ILC main linac accelerator is taken as an example to compare the vertical emittance growth after 1-to-1 steering, both from analytical formulae and multi-particle tracking simulation. It is demonstrated that the estimated emittance growth from the derived formulae agrees well with the results …
Date:
August 19, 2011
Creator:
Sun, Yipeng & Adolphsen, Chris
Object Type:
Report
System:
The UNT Digital Library
Emittance and Phase Space Exchange
Alternative chicane-type beam lines are proposed for exact emittance exchange between horizontal phase space (x; x{prime}) and longitudinal phase space (z; {delta}). Methods to achieve exact phase space exchanges, i.e. mapping x to z, x{prime} to {delta}, z to x and {delta} to x{prime} are suggested. Methods to mitigate the thick-lens effect of the transverse cavity on emittance exchange are discussed. Some applications of the phase space exchanger and the feasibility of an emittance exchange experiment with the proposed chicane-type beam line at SLAC are discussed.
Date:
August 19, 2011
Creator:
Xiang, Dao & Chao, Alex
Object Type:
Article
System:
The UNT Digital Library
Super symmetry Without Prejudice at the LHC
The discovery and exploration of Supersymmetry in a model-independent fashion will be a daunting task due to the large number of soft-breaking parameters in the MSSM. In this paper, we explore the capability of the ATLAS detector at the LHC ({radical}s = 14 TeV, 1 fb{sup -1}) to find SUSY within the 19-dimensional pMSSM subspace of the MSSM using their standard transverse missing energy and long-lived particle searches that were essentially designed for mSUGRA. To this end, we employ a set of {approx} 71k previously generated model points in the 19-dimensional parameter space that satisfy all of the existing experimental and theoretical constraints. Employing ATLAS-generated SM backgrounds and following their approach in each of 11 missing energy analyses as closely as possible, we explore all of these 71k model points for a possible SUSY signal. To test our analysis procedure, we first verify that we faithfully reproduce the published ATLAS results for the signal distributions for their benchmark mSUGRA model points. We then show that, requiring all sparticle masses to lie below 1(3) TeV, almost all(two-thirds) of the pMSSM model points are discovered with a significance S > 5 in at least one of these 11 analyses assuming a 50% …
Date:
August 19, 2011
Creator:
Conley, John A.; Gainer, James S.; Hewett, JoAnne L.; Le, My Phuong & Rizzo, Thomas G.
Object Type:
Article
System:
The UNT Digital Library
Hollow-Core Photonic Band Gap Fibers for Particle Acceleration
Photonic band gap (PBG) dielectric fibers with hollow cores are being studied both theoretically and experimentally for use as laser driven accelerator structures. The hollow core functions as both a longitudinal waveguide for the transverse-magnetic (TM) accelerating fields and a channel for the charged particles. The dielectric surrounding the core is permeated by a periodic array of smaller holes to confine the mode, forming a photonic crystal fiber in which modes exist in frequency pass-bands, separated by band gaps. The hollow core acts as a defect which breaks the crystal symmetry, and so-called defect, or trapped modes having frequencies in the band gap will only propagate near the defect. We describe the design of 2-D hollow-core PBG fibers to support TM defect modes with high longitudinal fields and high characteristic impedance. Using as-built dimensions of industrially-made fibers, we perform a simulation analysis of the first prototype PBG fibers specifically designed to support speed-of-light TM modes.
Date:
August 19, 2011
Creator:
Noble, Robert J.; Spencer, James E. & Kuhlmey, Boris T.
Object Type:
Article
System:
The UNT Digital Library
The One-Loop Six-Dimensional Hexagon Integral and its Relation to MHV Amplitudes in N=4 SYM
We provide an analytic formula for the (rescaled) one-loop scalar hexagon integral {tilde {Phi}}{sub 6} with all external legs massless, in terms of classical polylogarithms. We show that this integral is closely connected to two integrals appearing in one- and two-loop amplitudes in planar N = 4 super-Yang-Mills theory, {Omega}{sup (1)} and {Omega}{sup (2)}. The derivative of {Omega}{sup (2)} with respect to one of the conformal invariants yields {tilde {Phi}}{sub 6}, while another first-order differential operator applied to {tilde {Phi}}{sub 6} yields {Omega}{sup (1)}. We also introduce some kinematic variables that rationalize the arguments of the polylogarithms, making it easy to verify the latter differential equation. We also give a further example of a six-dimensional integral relevant for amplitudes in N = 4 super-Yang-Mills.
Date:
August 19, 2011
Creator:
Dixon, Lance J.; Drummond, James M. & Henn, Johannes M.
Object Type:
Article
System:
The UNT Digital Library