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504 Matching Results
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A 3.3 MJ, Rb + 1 driver design based on an integrated systems analysis
A computer model for systems analysis of heavy ion drivers has been developed and used to evaluate driver designs for inertial fusion energy (IFE). The present work examines a driver for a close-coupled target design that requires less total beam energy but also smaller beam spots sizes than previous target designs. Design parameters and a cost estimate for a 160 beam, 3.3 MJ driver using rubidium ions (A = 85) are reported, and the sensitivity of the results to variations in selected design parameters is given.
Date:
March 7, 2000
Creator:
Meier, W. R.; Barnard, J. J. & Bangerter, R. O.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 100, No. 301, Ed. 1 Tuesday, March 7, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 110, Ed. 1 Tuesday, March 7, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 95, No. 19, Ed. 1 Tuesday, March 7, 2000
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Keasling, Edna & Fierro, Jennifer
Object Type:
Newspaper
System:
The Portal to Texas History
Brady Herald (Brady, Tex.), Vol. 57, No. 17, Ed. 1 Tuesday, March 7, 2000
Weekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Stewart, James E.
Object Type:
Newspaper
System:
The Portal to Texas History
COPA Commission
The COPA Commission, a congressionally appointed panel, was mandated by the Child Online Protection Act, which was approved by Congress in October 1998. The primary purpose of the Commission is to "identify technological or other methods that will help reduce access by minors to material that is harmful to minors on the Internet."
Date:
March 7, 2000
Creator:
COPA Commission
Object Type:
Website
System:
The UNT Digital Library
Dedicated OO expertise applied to Run II software projects
The change in software language and methodology by CDF and D0 to object-oriented from procedural Fortran is significant. Both experiments requested dedicated expertise that could be applied to software design, coding, advice and review. The Fermilab Run II offline computing outside review panel agreed strongly with the request and recommended that the Fermilab Computing Division hire dedicated OO expertise for the CDF/D0/Computing Division joint project effort. This was done and the two experts have been an invaluable addition to the CDF and D0 upgrade software projects and to the Computing Division in general. These experts have encouraged common approaches and increased the overall quality of the upgrade software. Advice on OO techniques and specific advice on C++ coding has been used. Recently a set of software reviews has been accomplished. This has been a very successful instance of a targeted application of computing expertise, and constitutes a very interesting study of how to move toward modern computing methodologies in HEP.
Date:
March 7, 2000
Creator:
Amidei, D.
Object Type:
Article
System:
The UNT Digital Library
Experimental study of sin 2 {beta} and sin 2 {alpha}
Detailed measurements of CP violation in B meson decay are on the horizon. Here the author reviews the status of current measurements of sin 2{beta} made at LEP and CDF. These yield an average of sin 2{beta} = 0.82 {+-} 0.39, giving 97% confidence that {beta} is greater than 0, evidence that CP violation occurs in B decay. He reviews predictions for the precision one can expect on sin 2{beta} and sin 2{alpha} in the next few years.
Date:
March 7, 2000
Creator:
Truschuk, W.
Object Type:
Article
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, March 7, 2000
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Financial Management: Differences in Army and Air Force Disbursing and Accounting Records
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on differences in the Army's and Air Force's disbursing and accounting records, focusing on: (1) if, and to what extent, contract payment transactions recorded in the Army and the Air Force official accounting records differed from mechanization of contract administration services (MOCAS) disbursing system records; (2) the types of differences between the disbursing and accounting systems and, to the extent possible, the causes for the differences; and (3) the potential effect any identified deficiencies may have on the Department of Defense's (DOD) planned contract payment system improvements."
Date:
March 7, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Food Stamp Program: Better Use of Electronic Data Could Result in Disqualifying More Recipients Who Traffic Benefits
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the efforts of states and the Food and Nutrition Service (FNS) to reduce Food Stamp trafficking, focusing on the: (1) extent to which the states with statewide electronic benefit transfer (EBT) systems are identifying and disqualifying recipients who engage in trafficking; and (2) actions FNS has taken to encourage the states to identify and disqualify recipients engaged in trafficking."
Date:
March 7, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Guest Recital: 2000-03-07 - Yuri Anshelevich, Cello
Access:
Use of this item is restricted to the UNT Community
Guest artist recital performed at the UNT College of Music.
Date:
March 7, 2000
Creator:
Anshelevich, Yuri
Object Type:
Sound
System:
The UNT Digital Library
Hadron Collider Detectors
Experiments are being prepared at the Fermilab Tevatron and the CERN Large Hadron Collider that promise to deliver extraordinary insights into the nature of spontaneous symmetry breaking, and the role of supersymmetry in the universe. This article reviews the goals, challenges, and designs of these experiments. The first hadron collider, the ISR at CERN, has to overcome two initial obstacles. The first was low luminosity, which steadily improved over time. The second was the broad angular spread of interesting events. In this regard Maurice Jacob noted (1): The answer is ... sophisticated detectors covering at least the whole central region (45{degree} {le} {theta} {le} 135{degree}) and full azimuth. This statement, while obvious today, reflects the major revelation of the ISR period that hadrons have partonic substructure. The result was an unexpectedly strong hadronic yield at large transverse momentum (p{sub T}). Partly because of this, the ISR missed the discovery of the J/{psi} and later missed the {Upsilon}. The ISR era was therefore somewhat less auspicious than it might have been. It did however make important contributions in areas such as jet production and charm excitation and it paved the way for the SPS collider, also at CERN.
Date:
March 7, 2000
Creator:
Incandela, J.R.
Object Type:
Article
System:
The UNT Digital Library
The Harper Herald (Harper, Tex.), Vol. 70, No. 9, Ed. 1 Tuesday, March 7, 2000
Weekly newspaper from Harper, Texas that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Bishop, Karen
Object Type:
Newspaper
System:
The Portal to Texas History
High Energy Gamma Rays from p+X, X=Cu, Ag, Au at 34 MeV
In this paper we present results from the measurement of the gamma ray yield in the reaction of 34-MeV protons on Cu, Ag and Au. The protons were produced by the University of Washington superconducting linac. The gamma rays were measured using a large NaI and two large BaF{sub 2} detectors. Angular distributions were obtained for each of the three targets. Data for the Cu and Ag target were taken at six lab angles between 35 and 135 degrees, while data were taken at eight lab angles between 35 and 135 degrees for the Au target. The data were compared to several models. These included Hauser-Feshbach and direct-semidirect (DSD) calculations. We also compared the measurements to proton-nucleus bremsstrahlung calculations. The bremsstrahlung calculations greatly underpredicted the cross section and produced an angular distribution which was too flat. The Hauser-Feshbach calculations reproduced the yield of the softer portion of the spectrum reasonably well for all three targets. The DSD calculations reproduced the yield and angular distributions quite well for energies above about 20 MeV. However, the yields were underpredicted in the 15-18 MeV region, which suggests that multistep mechanisms may be needed for this target.
Date:
March 7, 2000
Creator:
Luke, S. J.; Dietrich, F. S.; Chadwick, M. B.; Gossett, C. A.; Kaplan, M. S.; McLain, B. T. et al.
Object Type:
Article
System:
The UNT Digital Library
Inertial fusion technology spin-offs-history provides a glimpse of the future
The development and demonstration of inertial fusion is incredibly challenging because it requires simultaneously controlling and precisely measuring parameters at extreme values in energy, space, and time. The challenges range from building megajoule (10{sup 6} J) drivers that perform with percent-level precision to fabricating targets with submicron specifications to measuring target performance at micron scale (10{sup -6} m) with picosecond (10{sup -12} s) time resolution. Over the past 30 years in attempting to meet this challenge, the inertial fusion community around the world has invented new technologies in lasers, particle beams, pulse power drivers, diagnostics, target fabrication, and other areas. These technologies have found applications in diverse fields of industry and science. Moreover, simply assembling the teams with the background, experience, and personal drive to meet the challenging requirements of inertial fusion has led to spin-offs in unexpected directions, for example, in laser isotope separation, extreme ultraviolet (EUV) lithography for microelectronics, compact and inexpensive radars, advanced laser materials processing, and medical technology. It is noteworthy that more than 40 R&D 100 awards, the ''Oscars of applied research'' have been received by members of the inertial fusion community over this period. Not surprisingly, the inertial fusion community has created many new …
Date:
March 7, 2000
Creator:
Powell, H
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Interview with Bob Tiffany, March 7, 2000
A videorecording of an interview with Abilene (Texas) civic leader Bob Tiffany, conducted by Dr. Gary McCaleb of Abilene Christian University. In the interview, Tiffany discusses the history of Camp Barkeley during World War II. The video is part of the Abilene 2000 Series of McCaleb & Company videos.
Date:
March 7, 2000
Creator:
Tiffany, Bob & McCaleb, Gary
Object Type:
Video
System:
The Portal to Texas History
[Mentor Review for School Coordinators at Oakhurst School]
A comprehensive review of the mentorship activities conducted for school coordinators at Oakhurst School. It outlines the evaluation criteria, performance feedback, and recommendations provided during the mentoring process.
Date:
March 7, 2000
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Military Personnel: Systematic Analyses Needed to Monitor Retention in Key Careers and Occupations
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on recent trends in retention rates among officers and enlisted personnel in the four armed services, focusing on: (1) how much information the Department of Defense (DOD) has on retention trends across the services; and (2) analyzing changes in retention rates in the aggregate and by career stage and occupation from 1988 through 1998."
Date:
March 7, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Mr. and Mrs. John Patterson - Golden Wedding Anniversary
Portrait of Bro. and Sis. John Patterson standing in a gazebo; they were married March 7, 1950, celebrating their 50th Wedding Anniversary Reception and Dinner at the Austin Hotel.
Date:
March 7, 2000
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Nondestructive evaluation and assay for the plutonium ceramification test facility
Lawrence Livermore National Laboratory (LLNL) has conducted design and testing activities of the Nondestructive Assay/Evaluation (NDA/NDE) system that will be installed to support the Plutonium Ceramification Test Facility (PuCTF). PuCTF immobilizes plutonium using the ceramic can-in-canister technology. The overall function of the NDA/NDE System is to ensure that sintered pucks contain the appropriate materials for ceramification process control, special nuclear materials (SNM) accountability, and repository acceptance. The system accepts sample pucks from the ceramification system, performs measurements, and determines if the product pucks are acceptable. This report details the conceptual system that is being developed.
Date:
March 7, 2000
Creator:
Mitchell, M.; Pugh, D. & Wang, T. F.
Object Type:
Article
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 84, No. 120, Ed. 1 Tuesday, March 7, 2000
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 7, 2000
Creator:
Wilmoth, Adam
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 47, Ed. 1 Tuesday, March 7, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 7, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Phase I chemical speciation modeling of stream mixing in the LAW/HLW Envelope A Treatment
The intent of this work was to provide a first approximation of the effect of stream mixing and waste stream composition on precipitation.
Date:
March 7, 2000
Creator:
Kaplan, D.I.
Object Type:
Report
System:
The UNT Digital Library