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Finite Temperature Instability for Compactification
We consider finite temperature effects upon theories with extra dimensions compactified via vacuum stress energy (Casimir) effects. For sufficiently high temperature, a static configuration for the internal space is impossible. At somewhat lower temperatures, there is an instability due to thermal fluctuations of radius of the compact dimensions. For both cases, the Universe can evolve to a de Sitter-like expansion of all dimensions. Stability to late times constrains the initial entropy of the universe. 28 refs., 1 fig., 2 tabs.
Date:
March 1, 1986
Creator:
Accetta, F. S. & Kolb, E. W.
Object Type:
Report
System:
The UNT Digital Library
Stable Compactifications
We show that compactifications of theories with extra dimensions are unstable if due to monopole configurations of an antisymmetric tensor field balanced against one-loop Casimir corrections. In the case of ten dimensional supergravity, it is possible, at least for a portion of the phase space, to achieve a stable compactification without fine-tuning by including the contribution of fermionic condensates to the monopole configurations. 23 refs., 2 figs.
Date:
March 1, 1986
Creator:
Accetta, F. S.; Gleiser, M.; Holman, R. & Kolb, E. W.
Object Type:
Report
System:
The UNT Digital Library
The Paducah Post (Paducah, Tex.), Vol. 80, No. 2, Ed. 1 Thursday, March 6, 1986
Weekly newspaper from Paducah, Texas that includes local, state, and national news along with advertising.
Date:
March 6, 1986
Creator:
Adams, Patty
Object Type:
Newspaper
System:
The Portal to Texas History
The Paducah Post (Paducah, Tex.), Vol. 80, No. 3, Ed. 1 Thursday, March 13, 1986
Weekly newspaper from Paducah, Texas that includes local, state, and national news along with advertising.
Date:
March 13, 1986
Creator:
Adams, Patty
Object Type:
Newspaper
System:
The Portal to Texas History
The Paducah Post (Paducah, Tex.), Vol. 80, No. 4, Ed. 1 Thursday, March 20, 1986
Weekly newspaper from Paducah, Texas that includes local, state, and national news along with advertising.
Date:
March 20, 1986
Creator:
Adams, Patty
Object Type:
Newspaper
System:
The Portal to Texas History
The Paducah Post (Paducah, Tex.), Vol. 80, No. 5, Ed. 1 Thursday, March 27, 1986
Weekly newspaper from Paducah, Texas that includes local, state, and national news along with advertising.
Date:
March 27, 1986
Creator:
Adams, Patty
Object Type:
Newspaper
System:
The Portal to Texas History
ACTVE News, Volume 17, Number 2, March/April 1986
Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.
Date:
March 1986
Creator:
Advisory Council for Technical-Vocational Education in Texas
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[A Soldier's Play]
Program for A Soldier's Play, a production by the Alamo City Theatre and Charles Fuller. The play was performed on March 14th, 1986.
Date:
March 14, 1986
Creator:
Alamo City Theatre.
Object Type:
Pamphlet
System:
The Portal to Texas History
Diagnostic system for measurement of particle balance in TMX-U
Several diagnostics measure the particle sources and losses in the Tandem Mirror Experiment-Upgrade (TMX-U) plasma. An absolutely calibrated high-speed (0.5 ms per frame) filtered (6561 A) video camera measures the total ionization source as a function of radius. An axial view of the plasma automatically integrates the axial variations within the depth of field of the system. Another camera, viewing the plasma radially, measures the axial source variations near the deuterium fueling source. Axial ion losses are measured by an array of Faraday cups that are equipped with grids for repelling electrons and are mounted at each end of the experiment. Unequal ion and electron (nonambipolar) radial losses are inferred from net current measurements on an array of grounded plates at each end. Any differences between the measured particle losses and sources may be attributed to ambipolar radial losses and/or azimuthal asymmetries in the particle-loss profiles. Methods of system calibration, along with details of computer data acquisition and processing of this relatively large set of data, are also presented. 6 refs., 1 fig.
Date:
March 5, 1986
Creator:
Allen, S. L.; Correll, D. L.; Hill, D. N.; Wood, R. D. & Brown, M. D.
Object Type:
Article
System:
The UNT Digital Library
Southwest Retort, Volume 39, Number 3, March 1986
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
March 1986
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
The Newsletter of the Texas Chapter of the American Fisheries Society, Number 36, March 1986
Newsletter of the Texas Chapter of the American Fisheries Society containing information about the organization, membership, and field of aquaculture and ecosystem management.
Date:
March 1986
Creator:
American Fisheries Society. Texas Chapter.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Performance of the SLD Central Drift Chamber prototype
A two-cell prototype of the SLD Central Drift Chamber has been tested using CO/sub 2/-isobutane (92%-8%) at one atmosphere. Average single wire resolution of 55 ..mu..m was achieved. Charge division tests indicate a resolution for the final design of less than or equal to 0.5% of wire length. dE/dx separation of ..pi../e should be useful up to at least 7 GeV/c. 100 MHz waveform digitizers were used in parallel with conventional timing and integration techniques. The results show equivalent performance for single tracks and a two pulse resolution better than 1 mm. 7 refs., 7 figs., 1 tab.
Date:
March 1, 1986
Creator:
Atwood, W. B.; Carr, J.; Chadwick, G.; Csorna, S.; Hansl-Kozanecka, T.; Hodges, C. et al.
Object Type:
Article
System:
The UNT Digital Library
String primer
This is an elementary introduction to the classical and quantum mechanics of a single bosonic string, and to some aspects of its supersymmetric and heterotic extensions. 22 refs.
Date:
March 1, 1986
Creator:
Bachas, C.
Object Type:
Article
System:
The UNT Digital Library
Recommendations to the NRC on Human Engineering Guidelines for Nuclear Power Plant Maintainability
This document contains human engineering guidelines which can enhance the maintainability of nuclear power plants. The guidelines have been derived from general human engineering design principles, criteria, and data. The guidelines may be applied to existing plants as well as to plants under construction. They apply to nuclear power plant systems, equipment and facilities, as well as to maintenance tools and equipment. The guidelines are grouped into seven categories: accessibility and workspace, physical environment, loads and forces, maintenance facilities, maintenance tools and equipment, operating equipment design, and information needs. Each chapter of the document details specific maintainability problems encountered at nuclear power plants, the safety impact of these problems, and the specific maintainability design guidelines whose application can serve to avoid these problems in new or existing plants.
Date:
March 1, 1986
Creator:
Badalamente, R. V.; Fecht, B. A.; Blahnik, D. E.; Eklund, J. D. & Hartley, C. S.
Object Type:
Report
System:
The UNT Digital Library
[Memo: Dallas Fire Department Recruit Class 86-217]
Memorandum listing the roster of recruits for the Dallas Fire Department in training from March 24, 1986 to August 19, 1986.
Date:
March 12, 1986
Creator:
Bailey, W. N.
Object Type:
Text
System:
The Portal to Texas History
Fuel performance annual report for 1984. Volume 2
This annual report, the seventh in a series, provides a brief description of fuel performance during 1984 in commercial nuclear power plants. Brief summaries of fuel design changes, fuel surveillance programs, fuel operating experience, fuel problems, high-burnup fuel experience, and items of general significance are provided. References to additional, more detailed information and related NRC evaluations are included. 279 refs., 11 figs., 29 tabs.
Date:
March 1, 1986
Creator:
Bailey, W.J. & Dunenfeld, M.S.
Object Type:
Report
System:
The UNT Digital Library
Microwave undulator
The theory of a microwave undulator utilizing a plane rectangular waveguide operating in the TE/sub 10n/ mode and other higher order modes is presented. Based on this, a possible undulator configuration is analyzed, leading to the conclusion that the microwave undulator represents a viable option for undulator wavelength down to about 1 cm where peak voltage and available microwave power considerations limit effectiveness. 4 refs., 4 figs. (LEW)
Date:
March 1, 1986
Creator:
Batchelor, K.
Object Type:
Report
System:
The UNT Digital Library
Nnwsi Waste From Testing at Argonne National Laboratory. Semiannual Report, July-December 1985
The Nevada Nuclear Waste Storage Investigations (NNWSI) Project is investigating the volcanic tuff beds of Yucca Mountain, Nevada, as a potential location for a high-level radioactive waste repository. As part of the waste package development portion of this project, experiments are being performed by the Chemical Technology Division of Argonne National Laboratory to study the behavior of the waste forms under anticipated repository conditions. These experiments include (1) the development and performance of a test to measure waste form behavior in unsaturated conditions and (2) the performance of tests designed to study the behavior of waste package components in an irradiated environment. Previous reports document developments in these areas through 1984. This report summarizes progress in 1985. Reports will be issued semi-annually hereafter.
Date:
March 1, 1986
Creator:
Bates, J. K.; Gerding, T. J.; Abrajano, T. A., Jr. & Ebert, W.
Object Type:
Report
System:
The UNT Digital Library
Structure and activity of Pt-Co alloys as oxygen reduction electrocatalysts
Carbon supported Pt-Co (3:1 atom ratio) catalysts were prepared in both acid and alkaline aqueous media, followed by heat treatments to promote alloy formation. Both preparations began with a commercial 10% Pt on carbon catalyst with Pt particle sizes of 15 to 30 A. Significantly greater alloying was observed in the acid media prepared catalyst. X-ray diffraction studies of the acid prepared catalyst demonstrated lattice parameters tending away from Pt (3.937 A) and toward that for Pt/sub 3/Co (3.831 A), greatly increased particle sizes, and significant ordering evidenced by the presence of superlattice reflections. In all cases, the base media prepared catalysts were alloyed to a lesser extent, were of moderately increased particle size and gave no indication of alloy ordering. Activity testing under phosphoric acid fuel cell conditions demonstrated that the most highly alloyed catalysts had the greatest activity. Loss of cobalt in the phosphoric acid environment was the lowest in catalysts which were the most alloyed.
Date:
March 1, 1986
Creator:
Beard, B. C. & Ross, P. N., Jr.
Object Type:
Report
System:
The UNT Digital Library
Area recommendation report for the crystalline repository project: An evaluation. [Crystalline Repository Project]
An evaluation is given of DOE's recommendation of the Elk River complex in North Carolina for siting the second repository. Twelve recommendations are made including a strong suggestion that the Cherokee Tribe appeal both through political and legal avenues for inclusion as an affected area primarily due to projected impacts upon economy and public health as a consequence of the potential for reduced tourism.
Date:
March 28, 1986
Creator:
Beck, J E; Lowe, H & Yurkovich, S P
Object Type:
Report
System:
The UNT Digital Library
Rains County Leader (Emory, Tex.), Vol. 98, No. 39, Ed. 1 Thursday, March 6, 1986
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
March 6, 1986
Creator:
Becknell, Kathleen Hill
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 98, No. 40, Ed. 1 Thursday, March 13, 1986
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
March 13, 1986
Creator:
Becknell, Kathleen Hill
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 98, No. 41, Ed. 1 Thursday, March 20, 1986
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
March 20, 1986
Creator:
Becknell, Kathleen Hill
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 98, No. 42, Ed. 1 Thursday, March 27, 1986
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
March 27, 1986
Creator:
Becknell, Kathleen Hill
Object Type:
Newspaper
System:
The Portal to Texas History