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9,971 Matching Results
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Simulation of beams or plasmas crossing at relaticisticvelocity
None
Date:
November 16, 2007
Creator:
Vay, J. L.
Object Type:
Article
System:
The UNT Digital Library
Design of Ilc Extraction Line for 20 Mrad Crossing Angle
One of the two ILC Interaction Regions will have a large horizontal crossing angle which would allow to extract the spent beams in a separate beam line. In this paper, the extraction line design for 20 mrad crossing angle is presented. This beam line transports the primary e{sup +}/e{sup -} and beamstrahlung photon beams from the IP to a common dump, and includes diagnostic section for energy and polarization measurements. The optics is designed for a large energy acceptance to minimize losses in the low energy tail of the disrupted beam. The extraction optics, diagnostic instrumentation and particle tracking simulations are described.
Date:
May 16, 2005
Creator:
Nosochkov, Y.; Moffeit, K.; Seryi, A.; Woods, M.; Arnold, R.; Oliver, W. et al.
Object Type:
Article
System:
The UNT Digital Library
Single-Particle States in a Spheroidal Nuclear Potential
Thesis describing the the computation of eigenstates for a particle moving in a spheroidal potential well under the influence of a strong spin-orbit interaction.
Date:
November 16, 1956
Creator:
Rich, Marvin
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Study of Electric Propulsion Systems for Space Travel : Final Report
A study of the basic problems associated with the use of electrical propulsion systems for space travel has been carried out at the Lawrence Radiation Laboratory. The emphasis is on large systems capable of manned flight.
Date:
November 16, 1959
Creator:
Fox, Robert H.
Object Type:
Report
System:
The UNT Digital Library
The Western Outlook. (San Francisco, Oakland and Los Angeles, Calif.), Vol. 22, No. 4, Ed. 1 Saturday, October 16, 1915
Weekly African-American newspaper published in Oakland, California that includes local, state and national news along with extensive advertising.
Date:
October 16, 1915
Creator:
Francis, Joseph S. & Derrick, J. Lincoln
Object Type:
Newspaper
System:
The Portal to Texas History
July 1999 working group meeting on heavy vehicle aerodynamic drag: presentations and summary of comments and conclusions
A Working Group Meeting on Heavy Vehicle Aerodynamic Drag was held at University of Southern California, Los Angeles, California on July 30, 1999. The purpose of the meeting was to present technical details on the experimental and computational plans and approaches and provide an update on progress in obtaining experimental results, model developments, and simulations. The focus of the meeting was a review of University of Southern California's (USC) experimental plans and results and the computational results from Lawrence Livermore National Laboratory (LLNL) and Sandia National Laboratories (SNL) for the integrated tractor-trailer benchmark geometry called the Sandia Model. Much of the meeting discussion involved the NASA Ames 7 ft x 10 ft wind tunnel tests and the need for documentation of the results. The present and projected budget and funding situation was also discussed. Presentations were given by representatives from the Department of Energy (DOE) Office of Transportation Technology Office of Heavy Vehicle Technology (OHVT), LLNL, SNL, USC, and California Institute of Technology (Caltech). This report contains the technical presentations (viewgraphs) delivered at the Meeting, briefly summarizes the comments and conclusions, and outlines the future action items.
Date:
August 16, 1999
Creator:
Brady, M; Browand, F; Flowers, D; Hammache, M; Landreth, G; Leonard, A et al.
Object Type:
Report
System:
The UNT Digital Library
International workshop of chromosome 19
This document summarizes the workshop on physical and genetic mapping of chromosome 19. The first session discussed the major disease loci found on the chromosome. The second session concentrated on reference families, markers and linkage maps. The third session concentrated on radiation hybrid mapping, somatic cell hybrid panels, macro restriction maps and YACs, followed by cDNA and long range physical maps. The fourth session concentrated on compiling consensus genetic and physical maps as well as discussing regions of conflict. The final session dealt with the LLNL cosmid contig database and comparative mapping of homologous regions of the human and mouse genomes, and ended with a discussion of resource sharing. 18 refs., 2 figs. (MHB)
Date:
September 16, 1991
Creator:
Pericak-Vance, M.A. (Duke Univ. Medical Center, Durham, NC (United States). Div. of Neurology) & Carrano, A.J. (Lawrence Livermore National Lab., CA (United States))
Object Type:
Article
System:
The UNT Digital Library
Greensheet (Houston, Tex.), Vol. 39, No. 179, Ed. 1 Friday, May 16, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
May 16, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 42, No. 395, Ed. 1 Friday, September 16, 2011
Free weekly newspaper that includes business and classified advertising.
Date:
September 16, 2011
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 41, No. 131, Ed. 1 Friday, April 16, 2010
Free weekly newspaper that includes business and classified advertising.
Date:
April 16, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 443, Ed. 1 Friday, October 16, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
October 16, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 39, No. 599, Ed. 1 Friday, January 16, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
January 16, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 36, No. 383, Ed. 1 Friday, September 16, 2005
Free weekly newspaper that includes business and classified advertising.
Date:
September 16, 2005
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 37, No. 227, Ed. 1 Friday, June 16, 2006
Free weekly newspaper that includes business and classified advertising.
Date:
June 16, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Simulations and Experiments of Beam-Beam Effects in e+e- Storage Rings
Over the past decade, extensive simulations of beam-beam effects in e{sup +}e{sup -} colliders, based on the particle-in-cell method, were developed to explain many complex experimental observations. Recently, such simulations were used to predict the future luminosity performance of e{sup +}e{sup -} colliders. Some predictions have been proven to be correct in the existing accelerators. In this paper, many effects such as the beam-beam limit, crossing angle, parasitic collisions, betatron spectrum, and the beam-beam lifetime, will be directly compared between simulations and experiments.
Date:
May 16, 2005
Creator:
Cai, Y.; Seeman, J.; Kozanecki, W.; Ohmi, K. & Tawada, M.
Object Type:
Article
System:
The UNT Digital Library
Propagation or failure of detonation across an air gap in an LX-17 column: continuous time-dependent detonation or shock speed using the Embedded Fiber Optic (EFO) technique
The detailed history of the shock/detonation wave propagation after crossing a room-temperature-room-pressure (RTP) air gap between a 25.4 mm diameter LX-17 donor column and a 25.4 mm diameter by 25.4 mm long LX-17 acceptor pellet is investigated for three different gap widths (3.07, 2.08, and 0.00 mm) using the Embedded Fiber Optic (EFO) technique. The 2.08 mm gap propagated and the 3.07 mm gap failed and this can be seen clearly and unambiguously in the EFO data even though the 25.4 mm-long acceptor pellet would be considered quite short for a determination by more traditional means such as pins.
Date:
January 16, 2008
Creator:
Hare, D E; Chandler, J B; Compton, S M; Garza, R G; Grimsley, D A; Hernandez, A et al.
Object Type:
Report
System:
The UNT Digital Library
Pressure dependence of donor excitation spectra in AlSb
We have investigated the behavior of ground to bound excited-state electronic transitions of Se and Te donors in AlSb as a function of hydrostatic pressure. Using broadband far-infrared Fourier transform spectroscopy, we observe qualitatively different behaviors of the electronic transition energies of the two donors. While the pressure derivative of the Te transition energy is small and constant, as might be expected for a shallow donor, the pressure derivatives of the Se transition energies are quadratic and large at low pressures, indicating that Se is actually a deep donor. In addition, at pressures between 30 and 50 kbar, we observe evidence of an anti-crossing between one of the selenium electronic transitions and a two-phonon mode.
Date:
January 16, 2002
Creator:
Hsu, L.; McCluskey, M. D. & Haller, E. E.
Object Type:
Article
System:
The UNT Digital Library
Bigplate: an oblique angle explosive EOS test
Bigplate is an advanced explosive equation of state (EOS) test. It consists of a point detonator driving a large disc (100 mm radius) of explosive, which pushes a 0.5 mm thick copper or tantalum plate. The plate is observed by a five-beam Fabry-Perot interferometer, which has beams at 0, 10, 20,40 and 80 mm on the plate. A short Fabry gives the jump-off to high accuracy; a long Fabry runs out to I0-15 microsec. A detailed error analysis is given, with the final velocity measurements considered good to ±0.066 mm/microsec. Jump-offs are measured to 0.01-0.02 microsec. Spall is seen in all shots, which creates a time delay on both the first and second velocity plateaus. A 0.1 microsec delay in jump-off of unknown origin is also seen at 80 mm. In order of decreasing explosive ideality, the explosives tired have been LX-14, LX-04 and LX-17. To partially negate the time delays, the data and code runs are overlaid at each radial position between the first and second plateaus. Traditional JWL's model LX-14 and LX-04 within accuracy, but not so for LX-17. The spall may be partly modeled using the pmin model but high resolution zoning is required. At longer times, …
Date:
April 16, 1998
Creator:
Anderson, S; Avara, R; Fried, L; Janzen, J; McGuire, E; Souers, P C et al.
Object Type:
Report
System:
The UNT Digital Library
The Garland News (Garland, Tex.), Vol. 54, No. 7, Ed. 1 Friday, May 16, 1941
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
May 16, 1941
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Garland News. (Garland, Tex.), Vol. 19, No. 45, Ed. 1 Friday, February 16, 1906
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
February 16, 1906
Creator:
Holford, Will A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Garland News. (Garland, Tex.), Vol. 19, No. 49, Ed. 1 Friday, March 16, 1906
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
March 16, 1906
Creator:
Holford, Will A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Garland News (Garland, Tex.), Vol. 54, No. 42, Ed. 1 Friday, January 16, 1942
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
January 16, 1942
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Garland News. (Garland, Tex.), Vol. 17, No. 27, Ed. 1 Friday, October 16, 1903
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
October 16, 1903
Creator:
Cullom, John H.
Object Type:
Newspaper
System:
The Portal to Texas History
The Garland News (Garland, Tex.), Vol. 55, No. 29, Ed. 1 Friday, October 16, 1942
Weekly newspaper from Garland, Texas that includes local, state, and national news along with advertising.
Date:
October 16, 1942
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History