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3-D Combinatorial Geometry in the MERCURY Monte Carlo Particle Transport Code
Lawrence Livermore National Laboratory is in the process of developing a new Monte Carlo Particle Transport code named MERCURY. This new code features a 3-D Combinatorial Geometry tracking algorithm. This paper details some of the characteristics of this Monte Carlo tracker
Date:
September 27, 2004
Creator:
Greenman, G
Object Type:
Article
System:
The UNT Digital Library
3-D Simulations of Plasma Wakefield Acceleration with Non-Idealized Plasmas and Beams
3-D Particle-in-cell OSIRIS simulations of the current E-162 Plasma Wakefield Accelerator Experiment are presented in which a number of non-ideal conditions are modeled simultaneously. These include tilts on the beam in both planes, asymmetric beam emittance, beam energy spread and plasma inhomogeneities both longitudinally and transverse to the beam axis. The relative importance of the non-ideal conditions is discussed and a worst case estimate of the effect of these on energy gain is obtained. The simulation output is then propagated through the downstream optics, drift spaces and apertures leading to the experimental diagnostics to provide insight into the differences between actual beam conditions and what is measured. The work represents a milestone in the level of detail of simulation comparisons to plasma experiments.
Date:
September 27, 2005
Creator:
Deng, S.; Katsouleas, T.; Lee, S.; Muggli, P.; Mori, W. B.; Hemker, R. et al.
Object Type:
Article
System:
The UNT Digital Library
9-11 Commission Hearing #7, January 27, 2004, Part 1
Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the staff statement on the aviation security system and the 9/11 attacks in addition to the fifth panel on aviation security on 9/11: the regulators with testimony from Jane F. Garvey, Cathal L. Flynn, and Claudio Manno.
Date:
January 27, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #7, January 27, 2004, Part 2
Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section contains the fifth panel on aviation security on 9/11: the regulators with testimony from Jane F. Garvey, Cathal L. Flynn, and Claudio Manno.
Date:
January 27, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #7, January 27, 2004, Part 3
Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the sixth panel on aviation security on 9/11: the airlines, with testimony from Edmond L. Soliday, Andrew P. Studdert, Gerard J. Arpey, and Tim J. Ahern.
Date:
January 27, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #7, January 27, 2004, Part 4
Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the staff statement on the four flights in addition to the seventh panel on acts of courage in the sky with testimony from Nydia Gonzalez.
Date:
January 27, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9-11 Commission Hearing #7, January 27, 2004, Part 5
Recording of the seventh public hearing held by the National Commission on Terrorist Attacks upon the United States on January 26-27 at the Hart Senate Office Building in Washington, D.C. This hearing specifically addresses the topics of border and aviation security. In addition, several staff statements from the Commission were delivered during the course of the proceedings. This section includes the eighth panel on risk management after September 11, with testimony from James M. Loy.
Date:
January 27, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
9/11 Commission Recommendations: Intelligence Budget
This report identifies the main recommendations of the 9/11 Commission with respect to the intelligence budget. This report also describes the intelligence budget process under current law to explain the effect of these recommendations and presents the current budget authorities of the Director of Central Intelligence, as well as budget provisions in two bills, S. 2774 and H.R. 5040, that include all Commission recommendations.
Date:
September 27, 2004
Creator:
Nicola, Thomas J.
Object Type:
Report
System:
The UNT Digital Library
21-PWR Waste Package Side and End Impacts
The objective of this calculation is to determine the structural response of a 21-Pressurized Water Reactor (PWR) spent nuclear fuel waste package impacting an unyielding surface. A range of initial velocities and initial angles between the waste package and the unyielding surface is studied. The scope of this calculation is limited to estimating the area of the outer shell (OS) where the residual stress exceeds a given limit (hereafter ''damaged area''). The stress limit is defined as a fraction of the yield strength of the OS material, Alloy 22 (SB-575 N06022), at the appropriate temperature. The design of the 21-PWR waste package used in this calculation is that defined in Reference 8. However, a value of 4 mm was used for the gap between the inner shell and the OS, and the thickness of the OS was reduced by 2 mm. The sketch in Attachment I provides additional information not included in Reference 8. All obtained results are valid for this design only. This calculation is associated with the waste package design and was performed by the Specialty Analyses and Waste Package Design Section. The waste package (i.e. uncanistered spent nuclear fuel disposal container) is classified as Quality Level 1.
Date:
February 27, 2003
Creator:
Delabrosse, V.
Object Type:
Report
System:
The UNT Digital Library
40 YEARS OF EXPERIENCE WITH LIQUID-LIQUID EXTRACTION EQUIPMENT IN THE NUCLEAR INDUSTRY
Three types of liquid-liquid extraction equipment are used in industrial reprocessing plants. Each is described below, with a special focus on pulsed columns and centrifugal extractors, which have been the subject of an extensive R&D program by the French Atomic Energy Commission (CEA). Various models have been developed to simulate equipment behavior and flowsheets. The excellent results obtained during industrial operation of the UP3 and UP2-800 plants in La Hague have confirmed the validity of the choices made during the design phases and pave the way for future improvement of the reprocessing process, from a technical and a financial standpoint.
Date:
February 27, 2003
Creator:
Drain, F.; Vinoche, R. & Duhamet, J.
Object Type:
Article
System:
The UNT Digital Library
S-102 Transfer Pump Restriction Modeling Results
It was determined that a radioactive waste leak in the Hanford S Farm in the vicinity of the S-102 retrieval pump discharge occurred because of over-pressurization and failure of the S-102 dilution water supply hose while operating the retrieval pump in reverse with an obstructed suction cavity and an unobstructed flow path to the dilution water supply hose. This report describes efforts to identify plausible scenarios for the waste leak to occur.
Date:
March 27, 2008
Creator:
Wells, Beric E.; Johnson, Kenneth I.; Rector, David R. & Trent, Donald S.
Object Type:
Report
System:
The UNT Digital Library
S. 147/H.R. 309: Process for Federal Recognition of a Native Hawaiian Governmental Entity
S. 147/H.R. 309, companion bills introduced in the 109th Congress, represent an effort to accord to Native Hawaiians a means of forming a governmental entity that could enter into government-to-government relations with the United States. This report describes the provisions of the reported version of S. 147; outlines some federal statutes and recent cases which might be relevant to the issue of federal recognition of a Native Hawaiian entity; and recounts some legal arguments that have been presented in the debate on this legislation. It includes a brief outline of the provisions of a substitute amendment expected to be offered in lieu of the reported version of S. 147, when Senate debate, which was interrupted by the filing of a cloture motion on July 29, resumes.
Date:
September 27, 2005
Creator:
Murphy, M. Maureen
Object Type:
Report
System:
The UNT Digital Library
241-AZ-101 Mixer Pump Demonstration Test Gamma Cart Acceptance Test Procedure and Quality Test Plan (ATP and QTP)
Shop test of the sludge mobilization cart system to be used in the AZ-101 Mixer Pump Demonstration Test Tests hardware and software. This procedure involves testing the Instrumentation involved with the Gamma Cart System, local and remote, including depth indicators, speed controls, interface to data acquisition software and the raising and lowering functions. This Procedure will be performed twice, once for each Gamma Cart System. This procedure does not test the accuracy of the data acquisition software.
Date:
January 27, 2000
Creator:
White, D. A.
Object Type:
Report
System:
The UNT Digital Library
500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York.
Community Correspondence – 500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York. The first four pages are text searchable examples of the letters that are contained in the document.
Date:
June 27, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York.
Community Correspondence – 500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York. The first four pages are text searchable examples of the letters that are contained in the document. that are contained in the document.
Date:
June 27, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York. Cannon Air Force Base in Clovis, New Mexico
Community Correspondence – 500 form letters from concerned community members surrounding Niagara Falls Air Force Base in Niagara Falls, New York. The first four pages are text searchable examples of the letters that are contained in the document.
Date:
June 27, 2005
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
2001 Gordon Research Conference on Organometallic Chemistry. Final progress report [agenda and attendee list]
The Gordon Research Conference on Organometallic Chemistry was held at Salve Regina University, Newport, Rhode Island, July 22-27, 2001. The conference had 133 participants. The attendees represented the spectrum of endeavor in this field, coming from academia, industry, and government laboratories, and included US and foreign scientists, senior researchers, young investigators, and students. Emphasis was place on current unpublished research and discussion of the future target areas in this field. There was a conscious effort to stimulate lively discussion about the key issues in the field today. Time for formal presentations was limited in the interest of group discussions; poster sessions were held.
Date:
July 27, 2001
Creator:
Burns, Carol
Object Type:
Report
System:
The UNT Digital Library
The 2002 Farm Bill: Overview and Status
This report provides an overview of the 2002 farm bill and an update status of the farm bill.
Date:
September 27, 2001
Creator:
Becker, Geoffrey S.
Object Type:
Report
System:
The UNT Digital Library
2005 Base Closure and Realignment Report Volume XI Supply and Storage Joint Cross Service Group
Volume XI Supply and Storage Joint Cross Service Group. The S&S JCSG was chartered to conduct a comprehensive review of DoD’s common business oriented Supply and Storage logistics functions.
Date:
May 27, 2005
Creator:
United States. Department of Defense.
Object Type:
Book
System:
The UNT Digital Library
2005 BRAC Commission Final COBRA Run - Air Force 10 Realign Beale AFB
2005 BRAC Commission Final COBRA Run - Air Force 10 Realign Beale AFB - 82Z - Beale
Date:
March 27, 2006
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Text
System:
The UNT Digital Library
2005 BRAC Commission Final COBRA Run - Air Force 37 Redo Realign Grand Forks (420c3)
2005 BRAC Commission Final COBRA Run - Air Force 37 Redo Realign Grand Forks (420c3) - 104Z - Grand Forks
Date:
March 27, 2006
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Text
System:
The UNT Digital Library
2005 BRAC Commission Final COBRA Run - Broadway DON-0173v3
2005 BRAC Commission Final COBRA Run - Broadway DON-0173v3 - 192 - Close Broadway Complex San Diego, CA
Date:
March 27, 2006
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Text
System:
The UNT Digital Library
2005 BRAC Commission Final COBRA Run - COBRA Air Force 6 Realign Eielson
2005 BRAC Commission Final COBRA Run - COBRA Air Force 6 Realign Eielson - 79Z - Eielson
Date:
March 27, 2006
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Text
System:
The UNT Digital Library
2005 BRAC Commission Final COBRA Run - COBRA Air Force 7 Close Kulis
2005 BRAC Commission Final COBRA Run - COBRA Air Force 7 Close Kulis - 80Z - Kulis, AK
Date:
March 27, 2006
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Text
System:
The UNT Digital Library