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Alumni J-TAC, October 1984
Alumni magazine of Tarleton State University providing information on events at the school and news about university students, staff, and alumni.
Date:
October 1984
Creator:
Tarleton State University
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
WASP Newsletter, June, 1984
Newsletter of the former World War II Women Airforce Service Pilots including news, events, stories about the group's history, and other information of interest to the members.
Date:
June 1984
Creator:
Women Airforce Service Pilots (U.S.) & Gardner, Libby
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The J-TAC (Stephenville, Tex.), Ed. 1 Thursday, September 6, 1984
Weekly student newspaper from Tarleton State University in Stephenville, Texas that includes local, state and campus news along with advertising.
Date:
September 6, 1984
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Reaction cross-section calculations using new experimental and theoretical level structure data for deformed nuclei
A technique for modeling quasiparticle excitation energies and rotational parameters in odd-odd deformed nuclei has been used to construct sets of discrete states with energy 0 to 1.5 MeV in /sup 176/Lu and /sup 236/Np. These data were used as part of the input for calculation of isomer production cross-section ratios in the /sup 175/Lu(n,..gamma..)/sup 176/Lu and /sup 237/Np(n,2n)/sup 236/Np reactions. In order to achieve agreement with experiment, it has been found necessary to include in the modeled set many rotational bands (35 to 95), which are comprised of hundreds of levels with their gamma-ray branching ratios. It is essential that enough bands be included to produce a representative selection of K quantum numbers in the de-excitation cascade. 20 refs., 3 figs., 3 tabs.
Date:
October 5, 1984
Creator:
Hoff, R. W.; Gardner, D. G. & Gardner, M. A.
Object Type:
Article
System:
The UNT Digital Library
Absolute dipole gamma-ray strength functions for /sup 176/Lu
We have derived absolute dipole strength-function information for /sup 176/Lu from an average resonance capture study of /sup 175/Lu with 2-keV neutrons, and from neutron capture cross-section measurements with neutrons from 30 keV to about 1 MeV. We found that we needed to increase our previous estimate of the relative M1/E1 strengths near 5 MeV by a factor of 3, and to revise downward the absolute magnitude of our E1 strength function. We accomplished the latter, while still maintaining continuity with the photonuclear data, by adjusting the one free parameter in our line shape. The present E1 and M1 strengths now seem correct both near the neutron separation energy and also around 1 MeV.
Date:
August 29, 1984
Creator:
Gardner, D. G.; Gardner, M. A. & Hoff, R. W.
Object Type:
Article
System:
The UNT Digital Library
Isomer ratio calculations using modeled discrete levels
Isomer ratio calculations were made for the reactions: /sup 175/Lu(n,..gamma..)/sup 176m,g/Lu, /sup 175/Lu(n,2n)/sup 174m,g/Lu, /sup 237/Np(n,2n)/sup 236m,g/Np, /sup 241/Am(n,..gamma..)/sup 242m,g/Am, and /sup 243/Am(n,..gamma..)/sup 244m,g/Am using modeled level structures in the deformed, odd-odd product nuclei. The hundreds of discrete levels and their gamma-ray branching ratios provided by the modeling are necessary to achieve agreement with experiment. Many rotational bands must be included in order to obtain a sufficiently representative selection of K quantum numbers. The levels of each band must be extended to appropriately high values of angular momentum.
Date:
October 16, 1984
Creator:
Gardner, M. A.; Gardner, D. G. & Hoff, R. W.
Object Type:
Article
System:
The UNT Digital Library
Absolute dipole gamma-ray strength functions for /sup 176/Lu. Supplement
We have derived absolute dipole strength-function information for /sup 176/Lu from an average resonance capture study of /sup 175/Lu with 2-keV neutrons and from neutron capture cross-section measurements with neutrons from 30 keV to about 1 MeV. We found that we needed to increase our previous estimate of the relative M1/E1 strengths near 5 MeV by a factor of 3 and to revise downward the absolute magnitude of our E1 strength function. We accomplished the latter, while still maintaining continuity with the photonuclear data, by adjusting the one free parameter in our line shape. The present E1 and M1 strengths now seem correct both near the neutron separation energy and also around 1 MeV.
Date:
October 16, 1984
Creator:
Gardner, D. G.; Gardner, M. A. & Hoff, R. W.
Object Type:
Article
System:
The UNT Digital Library
Isomer ratio calculations using modeled discrete levels
We have calculated isomer ratios for the /sup 175/Lu(n,..gamma..), /sup 175/Lu(n,2n), /sup 237/Np(n,2n), /sup 241/Am(n,..gamma..), and /sup 243/Am(n,..gamma..) reactions using modeled level structures in the deformed, odd-odd product nuclei. We find: that the hundreds of discrete levels and their gamma-ray branching ratios provided by the modeling are necessary to achieve agreement with experiment, that many rotational bands must be included in order to obtain a sufficiently representative selection of K quantum numbers, and that the levels of each band must be extended to appropriately high values of angular momentum. 8 references.
Date:
August 29, 1984
Creator:
Gardner, M. A.; Gardner, D. G. & Hoff, R. W.
Object Type:
Article
System:
The UNT Digital Library
The Effect of Maternal Employment on the Sex Role Orientation of Adolescents
The sex-role orientation was determined for 352 high school seniors in Plano, Texas. Using maternal employment status as the independent variable, the students were divided according to full-time employed mothers or full-time homemaker mothers. Results indicated that adolescents of employed mothers had a more liberal sex-role orientation and attitude towards the division of household tasks than adolescents of homemaker mothers. When male and female scores were analyzed separately, the order from most liberal to least liberal was females of employed mothers, females of homemaker mothers, males of employed mothers, and males of homemaker mothers. The mean scores indicated a nontraditional attitude. The study also indicated that maternal happiness with employment did not affect male and female sex-role orientation.
Date:
August 1984
Creator:
Gardner, Kaye E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Applications of level structure modeling of odd-odd deformed nuclei
None
Date:
December 4, 1984
Creator:
Hoff, R. W.; Gardner, D. G.; Gardner, M. A.; Kern, J.; Piepenbring, R.; Boisson, J. P. et al.
Object Type:
Article
System:
The UNT Digital Library
Petrographic analysis and correlation of volcanic rocks in Bostic 1-A well near Mountain Home, Idaho
Detailed examination of volcanic rock cuttings from the Bostic 1-A well near Mountain Home, Idaho, provides data that correlate the stratigraphy of the well with the regional stratigraphy of the western Snake River Plain. The Bostic 1-A well penetrates basalt of the Middle Pleistocene Bruneau Formation and underlying sedimentary rocks of the Upper Pliocene Glenns Ferry Formation. Basalt underlying the Glenns Ferry Formation is most likely Banbury Basalt of Middle Pliocene age or Banbury equivalent. A 350-ft interval of felsic volcanics is then intersected above another 600 ft of basalt. The well bottoms in altered felsic volcanics. The lowest 600 ft of basalt flows has not been correlated with any basalt observed on the surface. From the established stratigraphy of the region, and from petrographic evidence, the silicic volcanic rocks occurring both above and below the lowermost basalts in the well are probably lower Pliocene Idavada Volcanics. North of the well, in the Mt. Bennett Hills, Idavada Volcanics overlie crystalline rocks of the Idaho batholith. No estimate of depth to plutonic bedrock can be made from the well data alone. Stratigraphic comparisons suggest as little as 0.2 to 0.3 km more of Idavada lie beneath the Bostic 1-A well. Results …
Date:
January 1, 1984
Creator:
Arney, B.H.; Gardner, J.N. & Belluomini, S.G.
Object Type:
Report
System:
The UNT Digital Library
Pope's Treatment of Theobald and Cibber in the Dunciad
The purpose of this paper is to investigate Pope's treatment of Lewis Theobald and Colley Cibber in their roles as the king of dunces in the Dunciad. After an introductory chapter that treats the battles between Pope and Theobald and Pope and Cibber, the second chapter gives a short factual biography of Theobald emphasizing the events relating to his battle with Pope. The third chapter analyzes the caricature of Theobald in the Dunciad Variorum, showing its variations from fact. By comparing Theobald and Cibber, the fourth chapter investigates the extent and effectiveness of the changes made in the Dunciad of 1743 to accommodate the change from Theobald to Cibber as the king of dunces. This paper attempts to demonstrate that Theobald and Cibber were treated unfairly by Pope, whose decision to enthrone both was based on a desire for personal revenge.
Date:
May 1984
Creator:
Gardner, Marlene K. (Marlene Kortage)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Chemical thermodynamic representations of <PuO/sub 2-x> and <U/sub 1-z/Pu/sub z/O/sub w/>
All available oxygen potential-temperature-composition data for the calcium fluorite-structure <PuO/sub 2-x/> phase were retrieved from the literature and utilized in the development of a binary solid solution representation of the phase. The data and phase relations are found to be best described by a solution of (Pu/sub 4/3/O/sub 2/) and (PuO/sub 2/) with a temperature dependent interaction energy. The fluorite-structure <U/sub 1-z/Pu/sub z/O/sub w/> is assumed to be represented by a combination of the binaries <PuO/sub 2-x/> and <UO/sub 2+-x/>, and thus treated as a solution of (Pu/sub 4/3/O/sub 2/), (PuO/sub 2/), (UO/sub 2/), and either (U/sub 2/O/sub 4/./sub 5/) or (U/sub 3/O/sub 7/). The resulting equations well reproduce the large amount of oxygen potential-temperature-composition data for the mixed oxide system, all of which were also retrieved from the literature. These models are the first that appear to display the appropriate oxygen potential-temperature-composition and phase relation behavior over the entire range of existence for the phases. 39 refs., 10 figs., 3 tabs.
Date:
January 1, 1984
Creator:
Besmann, Theodore M. & Lindemer, Terrence B.
Object Type:
Article
System:
The UNT Digital Library
[Clipping: 'Our Daring Young Women': WWII role models guide women pilots]
Photocopy of an clipping on the legacy of Women Airforce Service Pilots, their contributions to World War II, and their eventual fight to gain veteran status.
Date:
November 1984
Creator:
Watson, Liz
Object Type:
Article
System:
The Portal to Texas History
[Clipping: 'Our Daring Young Women']
Clipping of a magazine article about WWII WASP serving as role models for female pilots in the U.S. Air Force. The article includes photographs of some of the WASP pilots.
Date:
November 1984
Creator:
unknown
Object Type:
Clipping
System:
The Portal to Texas History
The Moravian Church and Its Trombone Choir in America, a Lecture Recital, Together with Three Recitals of Selected Works by W. Presser, R. Monaco, L. Bassett, P. Bonneau, E. Bozza, R. Dillon and Others
The purpose of the lecture was to investigate the historical and musical heritage of the Moravian Church, with a particular interest in the works and players of the American Moravian Trombone Choir. The historical overview of people, customs, and practices is traced from its beginnings with the Unitas Fratrum in Bohemia through the Northern Germany settlement of Herrenhut and the establishment of the American Moravian colony at Bethlehem, Pennsylvania. The musical life of the church is represented by a discussion of the early hymns of the founding fathers in Bohemia and the subsequent instrumental music of the Moravian trombone choir in America. The trombone choir played chorales that were used to call the congregation to order, announce important visitors to the town, and provide music at special occasions. Anthems were played by trombones (when players were available) in regular church services, or outside when it was necessary to double voice parts. Concerted music was played in the Bethlehem Collegium Musicum. Biographies of the players of the 18th and 19th century trombone choirs provide information attesting to the proficiency and dedication of these musicians. A list of players who contributed to the trombone choir movement since the 19th century is included, …
Date:
August 1984
Creator:
Branstine, Wesley R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Significance of environmental exposure pathways for technetium
Numerical simulation techniques are used to produce a probable range of predicted values from estimates of uncertainty assigned to the parameters of radiological assessment models. This range is used to indicate the uncertainty in the model's prediction. The importance of individual parameters and exposure pathways is determined by their relative contribution to this simulated uncertainty index. The major pathways of exposure to humans resulting from the airborne emissions of /sup 99/Tc involve the consumption of vegetables, vegetable products, and poultry eggs. The most important model parameters are related to the mobility of /sup 99/Tc in soil, the incorporation of /sup 99/Tc into the edible portions of crops, its transfer from vegetation to poultry eggs, and its atmospheric deposition. Uncertainty in the dose for individuals exposed to /sup 99/Tc-contaminated liquid discharges is dominated by the bioaccumulation of this isotope in aquatic food chains and by the possibility that contaminated surface water will be used as a source of drinking water. Results suggest that future reductions in the present estimates of uncertainty will lead to the dismissal of /sup 99/Tc as an environmentally important radionuclide, provided that de minimis dose levels are eventually adopted and releases of /sup 99/Tc from individual nuclear …
Date:
January 1, 1984
Creator:
Hoffman, F. O.; Gardner, R. H. & Bartell, S. M.
Object Type:
Article
System:
The UNT Digital Library
Saturation of drift instabilities by electron dynamics
An analytical explanation is provided for phenomena observed in gyrokinetic particle simulations, which were used to study the nonlinear evolution of the universal instability. The nonlinear E x B advection of nearly resonant electrons is related to the deactivation of the instability mechanism, leading to oscillations of the perturbation amplitude around a nonzero saturated level. An equivalent description is given in terms of nonresonant mode coupling. A self-consistent evolution equation for the amplitude is obtained for the case where this mechanism predominates, and is successfully compared to the gyrokinetic simulations.
Date:
August 1, 1984
Creator:
Smith, R. A.; Krommes, J. A. & Lee, W. W.
Object Type:
Report
System:
The UNT Digital Library
Texas Attorney General Opinion: JM-198
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Jim Mattox, regarding a legal question submitted for clarification: Whether certain payments to a district attorney for work rendered in his private capacity are proper
Date:
August 31, 1984
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Modeling level structures of odd-odd deformed nuclei
A technique for modeling quasiparticle excitation energies and rotational parameters in odd-odd deformed nuclei has been applied to actinide species where new experimental data have been obtained by use of neutron-capture gamma-ray spectroscopy. The input parameters required for the calculation were derived from empirical data on single-particle excitations in neighboring odd-mass nuclei. Calculated configuration-specific values for the Gallagher-Moszkowski splittings were used. Calculated and experimental level structures for /sup 238/Np, /sup 244/Am, and /sup 250/Bk are compared, as well as those for several nuclei in the rare-earth region. The agreement for the actinide species is excellent, with bandhead energies deviating 22 keV and rotational parameters 5%, on the average. Corresponding average deviations for five rare-earth nuclei are 47 keV and 7%. Several applications of this modeling technique are discussed. 18 refs., 5 figs., 4 tabs.
Date:
September 7, 1984
Creator:
Hoff, R.W.; Kern, J.; Piepenbring, R. & Boisson, J.P.
Object Type:
Article
System:
The UNT Digital Library
Publications of Los Alamos Research, 1983
This bibliography is a compilation of unclassified publications of work done at the Los Alamos National Laboratory for 1983. Papers published in 1982 are included regardless of when they were actually written. Publications received too late for inclusion in earlier compilations have also been listed. Declassification of previously classified reports is considered to constitute publication. All classified issuances are omitted - even those papers, themselves unclassified, which were published only as part of a classified document. If a paper was published more than once, all places of publication are included. The bibliography includes Los Alamos National Laboratory reports, papers released as non-Laboratory reports, journal articles, books, chapters of books, conference papers either published separately or as part of conference proceedings issued as books or reports, papers publishd in congressional hearings, theses, and US patents. Publications by Los Alamos authors that are not records of Laboratory-sponsored work are included when the Library becomes aware of them.
Date:
October 1, 1984
Creator:
Sheridan, C. J.; McClary, W. J.; Rich, J. A. & Rodriguez, L. L. (comps.)
Object Type:
Report
System:
The UNT Digital Library
Field lysimeter facility for evaluating the performance of commercial solidified low-level waste. [Shallow land burial]
Analyzing the potential migration of radionuclides from sites containing solid low-level wastes requires knowledge of contaminant concentrations in the soil solution surrounding the waste. This soil solution concentration is generally referred to as the source term and is determined by such factors as the concentration of radionuclides in the solid waste, the rate of leachate formation, the concentration of dissolved species in the leachate, any solubility reactions occurring when the leachate contacts the soil, and the rate of water flow in the soil surrounding the waste. A field lysimeter facility established at the Hanford site is being used to determine typical source terms in arid climates for commercial low-level wastes solidifed with cement, Dow polymer (vinyl ester-styrene), and bitumen. The field lysimeter facility consists of 10, 3-m-deep by 1.8-m-dia closed-bottom lysimeters situated around a 4-m-deep by 4-m-dia central instrument caisson. Commercial cement and Dow polymer waste samples were removed from 210-L drums and placed in 8 of the lysimeters. Two bitumen samples are planned to be emplaced in the facility's remaining 2 lysimeters during 1984. The central caisson provides access to the instrumentation in the individual lysimeters and allows selective sampling of the soil and waste. Suction candles (ceramic cups) …
Date:
November 1, 1984
Creator:
Walter, M. B.; Graham, M. J. & Gee, G. W.
Object Type:
Report
System:
The UNT Digital Library
Rio Grande rift: problems and perspectives
Topics and ideas addressed include: (1) the regional extent of the Rio Grande rift; (2) the structure of the crust and upper mantle; (3) whether the evidence for an axile dike in the lower crust is compelling; (4) the nature of faulting and extension in the crust; and (5) the structural and magmatic development of the rift. 88 references, 5 figures.
Date:
January 1, 1984
Creator:
Baldridge, W.S.; Olsen, K.H. & Callender, J.F.
Object Type:
Article
System:
The UNT Digital Library
Cross-section measurement for the /sup 7/Li(n,n't)/sup 4/He reaction at 14. 74 MeV
The cross section for the /sup 7/Li(n,n't)/sup 4/He reaction is measured at an average neutron energy of 14.74 MeV, with a resolution of 0.324 MeV, relative to the /sup 238/U neutron-fission cross section. Tritium activities for the irradiated lithium-metal samples (enriched to 99.95% in /sup 7/Li) are deduced using a liquid-scintillation counting method which relies upon the tritiated-water standard from the US National Bureau of Standards. The measured cross section ratio of /sup 7/Li(n,n't)/sup 4/He to /sup 238/U neutron fission is 0.2523 (+- 2.2%). The derived /sup 7/Li(n,n't)/sup 4/He reaction cross section is 0.301 (+- 5.3%) barn, based on the ENDF/B-V value of 1.193 (+- 4.8%) barn for the /sup 238/U neutron-fission cross section. 59 references.
Date:
September 1, 1984
Creator:
Smith, D. L.; Meadows, J. W.; Bretscher, M. M. & Cox, S. A.
Object Type:
Report
System:
The UNT Digital Library