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Brady Standard-Herald and Heart O' Texas News (Brady, Tex.), Ed. 1 Friday, February 2, 2001
Semiweekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Stewart, James E.
Object Type:
Newspaper
System:
The Portal to Texas History
C0 low-{beta} optics
A low-{beta} insertion has been designed for the BTeV experiment at C0. With {+-} 12 m for detector space, a {beta}* of 0.5 m can be achieved using 170 T/m magnets in the final focus triplets. A total half-crossing angle of 240 {micro}r is necessary to keep the beams separated by 5{sigma} at the 2nd parasitic crossing. There are 2 possible Tevatron collision scenarios: B0 and D0, but not C0, and; C0, but not B0 or D0.
Date:
February 2, 2001
Creator:
Johnstone, J.A.
Object Type:
Report
System:
The UNT Digital Library
Child Care: States Increased Spending on Low-Income Families
A letter report issued by the General Accounting Office with an abstract that begins "Nationwide, states reported that federal and state expenditures for child care under the Child Care and Development Fund (CCDF) block grant and the Temporary Assistance for Needy Families (TANF) block grant grew from $4.1 billion in fiscal year 1997 to $6.9 billion in fiscal year 1999 and totaled over $16 billion in constant fiscal year 1997 dollars for this three-year period. More than half of the children whose child care was subsidized with CCDF funds were cared for in centers, and CCDF subsidies for all types of care were primarily provided through vouchers. Eligible parents who were subsidized by CCDF were offered a choice of receiving a voucher to pay a provider of their choosing or using a provider who had a contract with the state. More than half of all the states gave TANF and former TANF families transitioning to work first or second priority for receiving child care subsidies while other eligible low-income families were assigned lower priorities. Officials reported that their states funded the child care needs of their TANF and former TANF families transitioning to work, and were serving all of these …
Date:
February 2, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
The Clifton Record (Clifton, Tex.), Vol. 106, No. 10, Ed. 1 Friday, February 2, 2001
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Committee of the Whole: Stages of Action on Measures
This report provides information about the Stages of Action on Measures on Committee of the Whole.
Date:
February 2, 2001
Creator:
Beth, Richard S.
Object Type:
Report
System:
The UNT Digital Library
Common Mode Rejection Calculations on the Debuncher Upgrade
The 4-8 GHz Transverse Debuncher Cooling Systems are power limited. Misalignments and imperfections in the transverse pickup arrays will generate a longitudinal signal in addition to the betatron signal. This longitudinal signal can use up a significant fraction of the precious TWT power if the imperfections are large enough. This note will summarize calculations of the contributions to the longitudinal signal observed in the transverse systems of the 4-8 GHz Debuncher slow-wave pickup arrays due to various misalignments and imperfections.
Date:
February 2, 2001
Creator:
McGinnis, Dave
Object Type:
Report
System:
The UNT Digital Library
Creating Ensembles of Decision Trees Through Sampling
Recent work in classification indicates that significant improvements in accuracy can be obtained by growing an ensemble of classifiers and having them vote for the most popular class. This paper focuses on ensembles of decision trees that are created with a randomized procedure based on sampling. Randomization can be introduced by using random samples of the training data (as in bagging or arcing) and running a conventional tree-building algorithm, or by randomizing the induction algorithm itself. The objective of this paper is to describe our first experiences with a novel randomized tree induction method that uses a subset of samples at a node to determine the split. Our empirical results show that ensembles generated using this approach yield results that are competitive in accuracy and superior in computational cost.
Date:
February 2, 2001
Creator:
Kamath, C & Cantu-Paz, E
Object Type:
Article
System:
The UNT Digital Library
Daily Journal (Perry, Okla.), Vol. 108, No. 24, Ed. 1 Friday, February 2, 2001
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Dallas Voice (Dallas, Tex.), Vol. 17, No. 40, Ed. 1 Friday, February 2, 2001
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:
February 2, 2001
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
The Eastern Statesman (Wilburton, Okla.), Vol. 78, No. 11, Ed. 1 Friday, February 2, 2001
Biweekly student newspaper from Eastern Oklahoma State College in Wilburton, Oklahoma that includes local, state, and campus news along with advertising.
Date:
February 2, 2001
Creator:
Johnson, Teddy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Ensemble: 2001-02-02 – Concert Choir and Plano Senior High School A Capella Choir
Access:
Use of this item is restricted to the UNT Community
Ensemble concert presented at the UNT Murchison Performing Arts Center Winspear Hall.
Date:
February 2, 2001
Creator:
University of North Texas. Concert Choir.
Object Type:
Sound
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, February 2, 2001
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Grandview Tribune (Grandview, Tex.), Vol. 106, No. 24, Ed. 1 Friday, February 2, 2001
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Bosher, Casey & Marten, Donna K.
Object Type:
Newspaper
System:
The Portal to Texas History
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 206, No. 4, Ed. 1 Friday, February 2, 2001
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
House Schedule: Recent Practices and Proposed Options
Many Members have in recent years expressed dissatisfaction with the way the House arranges its work schedule. The chief complaints appear to be that existing practices make inefficient use of time and do not allow predictability, generating persistent scheduling conflicts and other time pressures. This report discusses how four types of House schedule that have been practiced or proposed during the past decade address these areas of dissatisfaction.
Date:
February 2, 2001
Creator:
Beth, Richard S.
Object Type:
Report
System:
The UNT Digital Library
Hudspeth County Herald and Dell Valley Review (Dell City, Tex.), Vol. 44, No. 18, Ed. 1 Friday, February 2, 2001
Weekly newspaper from Dell City, Texas that includes local, state, and national news along with advertising.
Date:
February 2, 2001
Creator:
Lynch, Mary Louise
Object Type:
Newspaper
System:
The Portal to Texas History
Instrumentation of a reconditioned robbins tunnel boring machine - 106th Street Tunnel
None
Date:
February 2, 2001
Creator:
Lach, J.T.
Object Type:
Report
System:
The UNT Digital Library
Irradiation Effects for the Pulsed Fast Neutron Analysis (PFNA) Cargo Interrogation System
At the request of Safety and Ecology Corporation of Tennessee, radiation effects of the proposed Pulsed Fast Neutron Analysis (PFNA) Cargo Interrogation System have been examined. First, fissile cargo were examined to determine if a significant neutron signal would be observable during interrogation. Results indicated that ample multiplication would be seen for near critical bare targets. The water-reflected sphere showed relatively little multiplication. By implication, a fissile target shielded by hydrogenous cargo might not be detectable by neutron interrogation, particularly if reliance is placed on the neutron signal. The cargo may be detectable if use can be made of the ample increase in the photon signal. Second, dose rates were calculated at various locations within and just outside the facility building. These results showed that some dose rates may be higher than the target dose rate of 0.05 mrem/h. However, with limited exposure time, the total dose may be well below the allowed total dose. Lastly, estimates were made of the activation of structures and typical cargo. Most cargo will not be exposed long enough to be activated to levels of concern. On the other hand, portions of the structure may experience buildup of some radionuclides to levels of concern.
Date:
February 2, 2001
Creator:
Slater, C. O.
Object Type:
Report
System:
The UNT Digital Library
The kinetic stabilizer: a route to simpler tandem mirror systems
As we enter the new millennium there is a growing urgency to address the issue of finding long-range solutions to the world's energy needs. Fusion offers such a solution, provided economically viable means can be found to extract useful energy from fusion reactions. While the magnetic confinement approach to fusion has a long and productive history, to date the mainline approaches to magnetic confinement, namely closed systems such as the tokamak, appear to many as being too large and complex to be acceptable economically, despite the impressive progress that has made toward the achievement of fusion-relevant confinement parameters. Thus there is a growing feeling that it is imperative to search for new and simpler approaches to magnetic fusion, ones that might lead to smaller and more economically attractive fusion power plants.
Date:
February 2, 2001
Creator:
Post, R. F.
Object Type:
Article
System:
The UNT Digital Library
Local Physics Basis of Confinement Degradation in JET ELMy H-Mode Plasmas and Implications for Tokamak Reactors
First results of gyrokinetic analysis of JET [Joint European Torus] ELMy [Edge Localized Modes] H-mode [high-confinement modes] plasmas are presented. ELMy H-mode plasmas form the basis of conservative performance predictions for tokamak reactors of the size of ITER [International Thermonuclear Experimental Reactor]. Relatively high performance for long duration has been achieved and the scaling appears to be favorable. It will be necessary to sustain low Z(subscript eff) and high density for high fusion yield. This paper studies the degradation in confinement and increase in the anomalous heat transport observed in two JET plasmas: one with an intense gas puff and the other with a spontaneous transition between Type I to III ELMs at the heating power threshold. Linear gyrokinetic analysis gives the growth rate, gamma(subscript lin) of the fastest growing modes. The flow-shearing rate omega(subscript ExB) and gamma(subscript lin) are large near the top of the pedestal. Their ratio decreases approximately when the confinement degrades and the transport increases. This suggests that tokamak reactors may require intense toroidal or poloidal torque input to maintain sufficiently high |gamma(subscript ExB)|/gamma(subscript lin) near the top of the pedestal for high confinement.
Date:
February 2, 2001
Creator:
Budny, R. V.; Alper, B.; Borba, D.; Cordey, J. G.; Ernst, D. R. & Gowers, C.
Object Type:
Report
System:
The UNT Digital Library
Low Frequency Fishbone Mode Induced by Circulating Particles in Spherical Tori
It is found that high beta in low-aspect-ratio tori tends to stabilize the fishbone instability in a plasma with energetic circulating ions. The stabilization results from enhancement of the toroidal drift motion by large Shafranov shift, which makes it difficult to reconcile the condition of considerable energy exchange between the ions and the internal kink perturbation with the condition of the resonant wave-particle interaction.
Date:
February 2, 2001
Creator:
Kolesnichenko, Ya. I.; Marchenko, V. S. & White, R. B.
Object Type:
Report
System:
The UNT Digital Library
Magnetic Probe Construction using Thick-film Technology
Thick-film technology has been successfully adapted for the design and fabrication of magnetic probes of a new type suitable for use in the simultaneous ultra-high vacuum and high-temperature environment of a nuclear fusion device. The maximum usable temperature is expected to be around 900 degrees C. This new probe has a specific sensitivity (coupling area per unit volume) an order of magnitude higher than a conventional coil. The new probe in one implementation is capable of simultaneously measuring magnetic field in three orthogonal directions about a single spatial point and in two frequency ranges. Low-frequency coils have a measured coupling area of 296-323 cm squared and a frequency response of about 300 kHz. High-frequency coils have a design coupling area of 12-15 cm squared.
Date:
February 2, 2001
Creator:
Takahashi, H.; Sakakibara, S.; Kubota, Y. & and Yamada, H.
Object Type:
Report
System:
The UNT Digital Library
Mesonic cloud contribution to the nucleon and delta masses
Pion-nucleon elastic scattering in the dominant P{sub 33} channel is examined in the model in which the interaction is of the form {pi} + N {leftrightarrow} N, {Delta}(1232). A Low equation formalism is employed which uses covariant phase space and normalizations, a finite nucleon mass, and generates the invariant scattering amplitude which is free of kinematic singularities. New expressions are found for the elastic pion-nucleon scattering amplitude which differ from existing formula both in the kinematics and in the treatment of the renormalization of the nucleon mass and coupling constant. Fitting the model to the phase shifts in the P{sub 33} channel does not uniquely fix the parameters of the model. The cutoff for the pion-nucleon form factor is found to lie in the range {beta} = 750 {+-} 350 MeV/c. The masses of the nucleon and the {Delta} which would arise if there were no coupling to mesons are found to be m{sub N}{sup (0)} = 1179 {+-} 218 MeV and m{sub {Delta}}{sup (0)} = 1491 {+-} 198 MeV. The difference in these bare masses, a quantity which would be accounted for by a residual gluon interaction, is found to be {delta}m{sup (0)} = 341 {+-} 116 MeV.
Date:
February 2, 2001
Creator:
Ernst, D. J.
Object Type:
Article
System:
The UNT Digital Library
Modeling of ex-vessel corium coolability with the CORQUENCH code.
None
Date:
February 2, 2001
Creator:
Farmer, M.T.
Object Type:
Article
System:
The UNT Digital Library