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715 Matching Results
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Accurate Velocity Measurements of the Two-Stage Light-Gas Gun Projectile
None
Date:
September 14, 2000
Creator:
Thornhill, Tom Finley, III; Reinhart, William D.; Konrad, C. H. & Chhabildas, Lalit C.
Object Type:
Article
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 125, No. 16, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 14, 2000
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 101, No. 159, Ed. 1 Thursday, September 14, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Anarchy and hierarchy
We advocate a new approach to study models of fermion massesand mixings, namely anarchy proposed in hep-ph/9911341. In this approach,we scan the O(1) coefficients randomly. We argue that this is the correctapproach when the fundamental theory is sufficiently complicated.Assuming there is no physical distinction among three generations ofneutrinos, the probability distributions in MNS mixing angles can bepredicted independent of the choice of the measure. This is because themixing angles are distributed according to the Haar measure of the Liegroups whose elements diagonalize the mass matrices. The near-maximalmixings, as observed in the atmospheric neutrino data and as required inthe LMA solution to the solar neutrino problem, are highly probable. Asmall hierarchy between the Delta m2 for the atmospheric and the solarneutrinos is obtained very easily; the complex seesaw case gives ahierarchy of a factor of 20 as the most probable one, even though thisconclusion is more measure-dependent. U_e3 has to be just below thecurrent limit from the CHOOZ experiment. The CP-violating parameter sindelta is preferred to be maximal. We present a simple SU(5)-likeextension of anarchy to the charged-lepton and quark sectors which workswell phenomenologically.
Date:
September 14, 2000
Creator:
Haba, Naoyuki & Murayama, Hitoshi
Object Type:
Article
System:
The UNT Digital Library
The anomaly and reggeon field theory in QCD
The appearance of the U(1) anomaly in the interactions of reggeized gluons is described. Also discussed is the crucial role the anomaly can play in providing the non-perturbative properties necessary for a transition from gluon and quark reggeon diagrams to hadron reggeons and a reggeon field theory description of the pomeron.
Date:
September 14, 2000
Creator:
White, A. R.
Object Type:
Article
System:
The UNT Digital Library
Appropriations for FY2001: District of Columbia
Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriations (regular, supplemental, and continuing) bills, rescissions, and budget reconciliation bills. This report is a guide to one of the 13 regular appropriations bills that Congress passes each year. It is designed to supplement the information provided by the House and Senate Appropriations Subcommittees on the District of Columbia Appropriations.
Date:
September 14, 2000
Creator:
Boyd, Eugene
Object Type:
Report
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 37, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 78, No. 293, Ed. 1 Thursday, September 14, 2000
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Beam-induced radiation in a muon storage ring for a neutrino factory
Beam-induced radiation effects have been simulated for a 30-GeV and a 50-GeV muon storage ring designed for a neutrino factory. Calculations include power dissipation and residual dose rates on lattice components. It is shown that by appropriately shielding the superconducting magnets quench stability can be achieved along with residual dose rates which allow hands-on maintenance. Studies on tunnel shielding further showed that unlimited-occupancy areas could be achieved during machine operation if such enclosures are placed to the inside of the ring. Finally, neutrino-induced radiation levels were computed to large distances for outside the arcs and downstream of the production straights.
Date:
September 14, 2000
Creator:
Johnstone, Nikolai V. Mokhov and Carol J.
Object Type:
Article
System:
The UNT Digital Library
Bogata News (Bogata, Tex.), Vol. 90, No. 18, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 110, No. 37, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
September 14, 2000
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 151, No. 30, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 14, 2000
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
The Colony Courier-Leader (The Colony, Tex.), Vol. 19, No. 31, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Newsom, Tommy
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 19, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
The Common Geometry Module (CGM): a Generic, Extensible Geometry Interface
None
Date:
September 14, 2000
Creator:
TAUTGES,TIMOTHY J.
Object Type:
Article
System:
The UNT Digital Library
Comprehensive Everglades Restoration Plan: Additional Water Quality Projects May Be Needed and Could Increase Costs
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the Army Corps of Engineers' Comprehensive Everglades Restoration Plan."
Date:
September 14, 2000
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Concoa SCHe Pressure Regulators and Reotemp Pressure Gauge (SCHe Tank Outlet)
None
Date:
September 14, 2000
Creator:
Miska, C. R.
Object Type:
Report
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 11, No. 3, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Effects of Alternating Bias Irradiation on Defects in MOS Devices
None
Date:
September 14, 2000
Creator:
FELIX,J.A.; FLEETWOOD,D.M.; RIEWE,LEONARD CHARLES & WINOKUR,PETER S.
Object Type:
Article
System:
The UNT Digital Library
The Effects of Moisture on LiD Single Crystals Studied by Temperature Programmed Reaction
Temperature programmed reaction (TPR) technique was performed on LiOH powders and LiD single crystals previously exposed to different moisture levels. Our results show that the LiOH decomposition process has an activation energy barrier of 30 to 33.1 kcal/mol. The LiOH structure is stable even if kept at 320 K for 100 years. However, LiOH structures formed on the surface of LiD during moisture exposure at low dosages may have multiple activation energy barriers, some of which may be much lower than 30 kcal/mol. We attribute the lowering of the activation energy barrier for the LiOH decomposition to the existence of dangling bonds, cracks, and other long range disorders in the LiOH structures formed at low levels of moisture exposure. These defective LiOH structures may decompose significantly over the next 100 years of storage even at room temperature. At high moisture exposure levels, LiOH.H{sub 2}O formation is observed. The release of H{sub 2}O molecules from LiOH.H{sub 2}O structure has small activation energy barriers in the range of 13.8 kcal/mol to 16.0 kcal/mol. The loosely bonded H{sub 2}O molecules in the LiOH.H{sub 2}O structure can be easily pumped away at room temperature in a reasonable amount of time. Our experiments also suggest …
Date:
September 14, 2000
Creator:
Dinh, L.; Balooch, M.; Cecala, C. M. & Leckey, J. H.
Object Type:
Article
System:
The UNT Digital Library
Electra Star-News (Electra, Tex.), Vol. 94, No. 5, Ed. 1 Thursday, September 14, 2000
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
September 14, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
An energy recovery electron linac-on-ring collider
We present the design of high-luminosity electron-proton/ion colliders in which the electrons are produced by an Energy Recovering Linac (ERL). Electron-proton/ion colliders with center of mass energies between 14 GeV and 100 GeV (protons) or 63 GeV/A (ions) and luminosities at the 10{sup 33}(per nucleon) level have been proposed recently as a means for studying hadronic structure. The linac-on-ring option presents significant advantages with respect to: (1) spin manipulations (2) reduction of the synchrotron radiation load in the detectors (3) a wide range of continuous energy variability. Rf power and beam dump considerations require that the electron linac recover the beam energy. Based on extrapolations from actual measurements and calculations, energy recovery is expected to be feasible at currents of a few hundred mA and multi-GeV energies. Luminosity projections for the linac-ring scenario based on fundamental limitations are presented. The feasibility of an energy recovery electron linac-on-proton ring collider is investigated and four conceptual point designs are shown corresponding to electron to proton energies of: 3 GeV on 15 GeV, 5 GeV on 50 GeV and 10 GeV on 250 GeV, and for gold ions with 100 GeV/A. The last two designs assume that the protons or ions are stored …
Date:
September 14, 2000
Creator:
Merminga, L.; Krafft, G. A.; Lebedev, V. A. & Ben-Zvi, Ilan
Object Type:
Article
System:
The UNT Digital Library
Environmental Analysis of Endocrine Disrupting Effects from Hydrocarbon Contaminants in the Ecosystem - Final Report - 09/15/1996 - 09/14/2000
The three major components of the research included: (a) a biotechnology based screening system to identify potential hormone mimics and antagonists (b) an animal screening system to identify biomarkers of endocrine effects and (c) a literature review to identify compounds at various DOE sites that are potential endocrine disruptors. Species of particular interest in this study were those that can serve as sentinel species (e.g., amphibians) and thus provide early warning signals for more widespread impacts on an ecosystem and its wildlife and human inhabitants. The objective of this basic research is to characterize the potential of common hydrocarbon contaminants in ecosystems to act as endocrine disruptors. Although the endocrine disrupting effects of contaminants such as dioxin and PCBs have been well characterized in both animals and humans, little is known about the capacities of other hydrocarbon contaminants to act as endocrine disruptors. Results obtained from this research project have provided information on endocrine disrupting contaminants for consideration in DOE's risk analyses for determining clean-up levels and priorities at contaminated DOE sites.
Date:
September 14, 2000
Creator:
McLachlan, John A.
Object Type:
Report
System:
The UNT Digital Library
EQ6 Calculation for Chemical Degradation of Shippingport LWBR (TH/U Oxide) Spent Nuclear Fuel Waste Packages
The Monitored Geologic Repository (MGR) Waste Package Department of the Civilian Radioactive Waste Management System Management & Operating contractor (CRWMS M&O) performed calculations to provide input for disposal of spent nuclear fuel (SNF) from the Shippingport Light Water Breeder Reactor (LWBR) (Ref. 1). The Shippingport LWBR SNF has been considered for disposal at the potential Yucca Mountain site. Because of the high content of fissile material in the SNF, the waste package (WP) design requires special consideration of the amount and placement of neutron absorbers and the possible loss of absorbers and SNF materials over geologic time. For some WPs, the outer shell corrosion-resistant material (CRM) and the corrosion-allowance inner shell may breach (Refs. 2 and 3), allowing the influx of water. Water in the WP will moderate neutrons, increasing the likelihood of a criticality event within the WP; and the water may, in time, gradually leach the fissile components and neutron absorbers from the WP, further affecting the neutronics of the system. This study presents calculations of the long-term geochemical behavior of WPs containing a Shippingport LWBR SNF seed assembly, and high-level waste (HLW) glass canisters arranged according to the codisposal concept (Ref. 4). The specific study objectives were …
Date:
September 14, 2000
Creator:
Arthur, S.
Object Type:
Report
System:
The UNT Digital Library