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403 Matching Results
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Properties of Wide-separation Lensed Quasars byClusters of Galaxies in the SDSS
We use high-resolution N-body numerical simulations to study the number of predicted large-separation multiply-imaged systems produced by clusters of galaxies in the SDSS photometric and spectroscopic quasar samples. We incorporate the condensation of baryons at the center of clusters by (artificially) adding a brightest central galaxy (BCG) as a truncated isothermal sphere. We make predictions in two at cosmological models: a {Lambda}CDM model with a matter density {Omega}{sub m,0} = 0.3, and {sigma}{sub 8} 0.9 ({Lambda}CDM0), and a model favored by the WMAP three-year data with {Omega}{sub m,0} = 0.238, and {sigma}{sub 8} = 0.74 (WMAP3). We found that the predicted multiply-imaged quasars with separation > 10 is about 6.2 and 2.6 for the SDSS photometric (with an effective area 8000 deg{sup 2}) and spectroscopic (with an effective area 5000 deg{sup 2}) quasar samples respectively in the {Lambda}CDM0 model; the predicted numbers of large-separation lensed quasars agree well with the observations. These numbers are reduced by a factor of 7 or more in the WMAP3 model, and are consistent with data at {approx}< 8% level. The predicted cluster lens redshift peaks around redshift 0.5, and 90% are between 0.3 and 1. The ratio of systems with at least four image …
Date:
February 3, 2007
Creator:
Li, G.L.; Mao, S.; Jing, Y.P.; Lin, W.P. & Oguri, M.
Object Type:
Article
System:
The UNT Digital Library
Annual Site Environmental Report: 2005
This report provides information about environmental programs during 2005 at the Stanford Linear Accelerator Center (SLAC). Seasonal activities that span calendar years are also included. Production of an annual site environmental report (ASER) is a requirement established by the United States Department of Energy (DOE) for all management and operating (M&O) contractors throughout the DOE complex. SLAC is a federally-funded research and development center with Stanford University as the M&O contractor. SLAC effectively applied environmental management in meeting the site's integrated safety and environmental management system (ISEMS) goals. For normal daily activities, all SLAC managers and supervisors are responsible for ensuring that proper procedures are followed so that: (1) Worker safety and health are protected; (2) The environment is protected; and (3) Compliance is ensured. Throughout 2005, SLAC focused on these activities through the SLAC management systems (described in Chapter 3). These systems were also the way SLAC approached implementing ''greening of the government'' initiatives such as Executive Order 13148. The management systems at SLAC are effective, supporting compliance with all relevant statutory and regulatory requirements. There were no reportable releases to the environment from SLAC operations during 2005. In addition, many improvements were continued during 2005, in waste minimization, …
Date:
February 3, 2007
Creator:
sabba, d
Object Type:
Report
System:
The UNT Digital Library
Thermal Modeling Tool for a Spherical Capsule in a Sputtering Chamber
It is known that a film's temperature during a sputtering process greatly influences its mechanical structure. Currently, there is no known tool to effectively model the temperature history of a sputtered film on a spherical capsule in a sputtering chamber. Therefore, a tool has been developed that allows for the prediction of this temperature history using a lumped capacitance approximation for the capsule. This tool has been developed as part of LLNL's Diablo II multi-mechanics code to allow for the coupling of the capsule mechanics with the finite element-based sputtering chamber mechanics. The tool incorporates three forms of heat transfer: contact heat transfer between the capsule and the walls, enclosure radiation among all surfaces, and adsorption of chamber gas on all surfaces. The physics of the system have been validated by determining less than 1% difference in simulated results of twelve test runs to values determined via analytical or finite difference approaches, and validation of eight further tests involving capsule motion provide confidence in the model.
Date:
February 3, 2006
Creator:
Wemhoff, A P
Object Type:
Report
System:
The UNT Digital Library
REPORT on the TRUCK BRAKE LINING WORKSHOP and FLEET OPERATORS' SURVEY
The report summarizes what transpired during brake linings-related workshop held at the Fall 2003 meeting of the Technology and Maintenance Council (TMC) in Charlotte, NC. The title of the workshop was ''Developing a Useful Friction Material Rating System''. It was organized by a team consisting of Peter Blau (Oak Ridge National Laboratory), Jim Britell (National Highway Traffic Safety Administration), and Jim Lawrence (Motor and Equipment Manufacturers Association). The workshop was held under the auspices of TMC Task Force S6 (Chassis), chaired by Joseph Stianche (Sanderson Farms, Inc.). Six invited speakers during the morning session provided varied perspectives on testing and rating aftermarket automotive and truck brake linings. They were: James R. Clark, Chief Engineer, Foundation Brakes and Wheel Equipment, Dana Corporation, Spicer Heavy Axle and Brake Division; Charles W. Greening, Jr, President, Greening Test Labs; Tim Duncan, General Manager, Link Testing Services;Dennis J. McNichol, President, Dennis NationaLease; Jim Fajerski, Business Manager, OE Sales and Applications Engineering, Federal Mogul Corporation; and Peter J. Blau, Senior Materials Development Engineer, Oak Ridge National Laboratory. The afternoon break-out sessions addressed nine questions concerning such issues as: ''Should the federal government regulate aftermarket lining quality?''; ''How many operators use RP 628, and if so, what's …
Date:
February 3, 2003
Creator:
Blau, P.J.
Object Type:
Report
System:
The UNT Digital Library
National Oceanic and Atmospheric Administration
This report provides a summary on the National Oceanic and Atmospheric Administration's (NOAA) porgrams, cross-cutting themes, and strategic goals for Members of Congress, Congressional staff, the media, NOAA constituents and customers, and all other individuals who may be interested in NOAA's accomplishments and future plans.
Date:
February 3, 2003
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
San Antonio Register (San Antonio, Tex.), Vol. 68, No. 33, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from San Antonio, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 32, Ed. 1 Sunday, February 3, 2002
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 3, 2002
Creator:
Brisendine, Lynn & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
[Remembering Mrs. Coretta Scott King presentation]
A presentation titled "Remembering Mrs. Coretta Scott King" that includes her picture and a short description, and photographs from a UNT conference and ceremony honoring King with a doctorate from the University.
Date:
February 3, 2006
Creator:
University of North Texas. Multicultural Center.
Object Type:
Presentation
System:
The UNT Digital Library
The Ranger (San Antonio, Tex.), Vol. 80, No. 14, Ed. 1 Friday, February 3, 2006
Weekly student newspaper from San Antonio College in San Antonio, Texas that includes campus news along with advertising.
Date:
February 3, 2006
Creator:
San Antonio College
Object Type:
Newspaper
System:
The Portal to Texas History
Sanger Courier (Sanger, Tex.), Vol. 101, No. 15, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from Sanger, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 3, 2000
Creator:
Hardy, Lisa
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 39, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2000
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 20, No. 5, Ed. 1 Thursday, February 3, 2005
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2005
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 111, No. 5, Ed. 1 Friday, February 3, 2006
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2006
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 120, No. 10, Ed. 1 Sunday, February 3, 2002
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
February 3, 2002
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 110, No. 5, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date:
February 3, 2000
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Physics with a High Intensity Proton Source at Fermilab: Project X Golden Book
Within the next ten years the Standard Model will likely have to be modified to encompass a wide range of newly discovered phenomena, new elementary particles, new symmetries, and new dynamics. These phenomena will be revealed through experiment with high energy particle accelerators, mainly the LHC. This will represent a revolution in our understanding of nature, and will either bring us closer to an understanding of all phenomena, through existing ideas such as supersymmetry to superstrings, or will cause us to scramble to find new ideas and a new sense of direction. We are thus entering a dramatic and important time in the quest to understand the fundamental laws of nature and their role in shaping the universe. The energy scales now probed by the Tevatron, of order hundreds of GeV, will soon be subsumed by the LHC and extended up to a few TeV. We expect the unknown structure of the mysterious symmetry breaking of the Standard Model to be revealed. We will then learn the answer to a question that has a fundamental bearing upon our own existence: 'What is the origin of mass?' All modern theories of 'electroweak symmetry breaking' involve many new particles, mainly to provide …
Date:
February 3, 2008
Creator:
Appel, Jeffrey; Asner, David; Bigi, Ikaros; Bryman, Douglas; Buras, Andrzej; Carosi, Roberto et al.
Object Type:
Report
System:
The UNT Digital Library
Texas Jewish Post (Fort Worth, Tex.), Vol. 54, No. 5, Ed. 1 Thursday, February 3, 2000
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 3, 2000
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
The Odem-Edroy Times (Odem, Tex.), Vol. 59, No. 5, Ed. 1 Thursday, February 3, 2005
Weekly newspaper from Odem, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2005
Creator:
Tracy, Jimmy
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 40, Ed. 1 Thursday, February 3, 2005
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2005
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 118, No. 10, Ed. 1 Thursday, February 3, 2000
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
February 3, 2000
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 114, No. 5, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 3, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 29, No. 5, Ed. 1 Thursday, February 3, 2005
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 3, 2005
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County News (Archer City, Tex.), No. 5, Ed. 1 Thursday, February 3, 2000
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
February 3, 2000
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 123, No. 10, Ed. 1 Thursday, February 3, 2005
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
February 3, 2005
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History