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20th Annual Christmas/Kwanzaa Concert
1,082
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2-D Modeling of Energy-z Beam Dynamics Using the LiTrack Matlab Program
Short bunches and the bunch length distribution have important consequences for both the LCLS project at SLAC and the proposed ILC project. For both these projects, it is important to simulate what bunch length distributions are expected and then to perform actual measurements. The goal of the research is to determine the sensitivity of the bunch length distribution to accelerator phase and voltage. This then indicates the level of control and stability that is needed. In this project I simulated beamlines to find the rms bunch length in three different beam lines at SLAC, which are the test beam to End Station A (ILC-ESA) for the ILC studies, Linac Coherent Light Source (LCLS) and LCLS-ESA. To simulate the beamlines, I used the LiTrack program, which does a 2-dimensional tracking of an electron bunch's longitudinal (z) and the energy spread beam (E) parameters. In order to reduce the time of processing the information, I developed a small program to loop over adjustable machine parameters. LiTrack is a Matlab script and Matlab is also used for plotting and saving and loading files. The results show that the LCLS in Linac-A is the most sensitive when looking at the ratio of change in …
Date:
December 15, 2005
Creator:
Cauley, S .K. & Woods, M.
Object Type:
Report
System:
The UNT Digital Library
``24/36/48`` Cathode Strip Chamber layout for SSC GEM Detector muon subsystem
The ``48/48/48`` {phi}-segmentation design for the Cathode Strip Chambers in the GEM Detector produces a number of coverage ``gaps`` in {phi} and {theta}. A revised ``24/36/48`` {phi}-segmentation layout provides increased geometric coverage and a significant reduction in the number of chambers in the detector. This will increase physics performance while reducing the labor costs associated with building and installing chambers in the GEM Detector. This paper documents the physical layout of the proposed change to the baseline chamber arrangement.
Date:
December 15, 1993
Creator:
Belser, F. C.; Clements, J. W. & Horvath, J. A.
Object Type:
Report
System:
The UNT Digital Library
40-Mw(e) Prototype High-Temperature Gas-Cooled Reactor Postconstruction Research and Development Program. Summary Progress Report for the Period Ending, October 1964
None
Date:
December 15, 1964
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
50-Channel Pulse-Height Analyzer Accelerator Type. Maintenance Manual
None
Date:
December 15, 1953
Creator:
Heller, R. E.
Object Type:
Report
System:
The UNT Digital Library
120 MW, 800 MHz Magnicon for a Future Muon Collider
Development of a pulsed magnicon at 800 MHz was carried out for the muon collider application, based on experience with similar amplifiers in the frequency range between 915 MHz and 34.3 GHz. Numerical simulations using proven computer codes were employed for the conceptual design, while established design technologies were incorporated into the engineering design. A cohesive design for the 800 MHz magnicon amplifier was carried out, including design of a 200 MW diode electron gun, design of the magnet system, optimization of beam dynamics including space charge effects in the transient and steady-state regimes, design of the drive, gain, and output cavities including an rf choke in the beam exit aperture, analysis of parasitic oscillations and design means to eliminate them, and design of the beam collector capable of 20 kW average power operation.
Date:
December 15, 2005
Creator:
Hirshfield, Jay L.
Object Type:
Report
System:
The UNT Digital Library
200 area weekly report
None
Date:
December 15, 1955
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
200 areas contaminated particle discharge
None
Date:
December 15, 1948
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
234-5 Project, Specification Letter 234-9, 235-9, Analytical Control Laboratory
This document presents the details of the design of the analytical control laboratory for the 234-5 project at the Hanford site.
Date:
December 15, 1947
Creator:
Curtis, R.E.
Object Type:
Report
System:
The UNT Digital Library
303-K Storage Facility Closure Plan. Revision 2
Recyclable scrap uranium with zircaloy-2 and copper silicon alloy, uranium-titanium alloy, beryllium/zircaloy-2 alloy, and zircaloy-2 chips and fines were secured in concrete billets (7.5-gallon containers) in the 303-K Storage Facility, located in the 300 Area. The beryllium/zircaloy-2 alloy and zircaloy-2 chips and fines are designated as mixed waste with the characteristic of ignitability. The concretion process reduced the ignitability of the fines and chips for safe storage and shipment. This process has been discontinued and the 303-K Storage Facility is now undergoing closure as defined in the Resource Conservation and Recovery Act (RCRA) of 1976 and the Washington Administrative Code (WAC) Dangerous Waste Regulations, WAC 173-303-040. This closure plan presents a description of the 303-K Storage Facility, the history of materials and waste managed, and the procedures that will be followed to close the 303-K Storage Facility. The 303-K Storage Facility is located within the 300-FF-3 (source) and 300-FF-5 (groundwater) operable units, as designated in the Hanford Federal Facility Agreement and Consent Order (Tri-Party Agreement) (Ecology et al. 1992). Contamination in the operable units 300-FF-3 and 300-FF-5 is scheduled to be addressed through the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980 remedial action process. Therefore, all soil …
Date:
December 15, 1993
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
600 eV falcon-linac thomson x-ray source
The advent of 3rd generation light sources such as the Advanced Light Source (ALS) at LBL, and the Advanced Photon Source at Argonne, have produced a revolution in x-ray probing of dense matter during the past decade. These machines use electron-synchrotrons in conjunction with undulator stages to produce 100 psec x-ray pulses with photon energies of several kiloelectronvolts (keV). The applications for x-ray probing of matter are numerous and diverse with experiments in medicine and biology, semiconductors and materials science, and plasma and solid state physics. In spite of the success of the 3rd generation light sources there is strong motivation to push the capabilities of x-ray probing into new realms, requiring shorter pulses, higher brightness and harder x-rays. A 4th generation light source, the Linac Coherent Light Source (LCLS), is being considered at the Stanford Linear Accelerator [1]. The LCLS will produce multi-kilovolt x-rays of subpicosecond duration that are 10 orders of magnitude brighter than today's 3rd generation light sources.[1] Although the LCLS will provide unprecedented capability for performing time-resolved x-ray probing of ultrafast phenomena at solid densities, this machine will not be completed for many years. In the meantime there is a serious need for an ultrashort-pulse, high-brightness, …
Date:
December 15, 2000
Creator:
Crane, J. K.; LeSage, G. P.; Ditmire, T.; Cross, R.; Wharton, K.; Moffitt, K. et al.
Object Type:
Report
System:
The UNT Digital Library
[15th Annual Christmas/Kwanzaa Concert, Part 1 of 2]
Video recording from The Black Academy of Arts and Letters recorded during their 15th Annual Christmas/Kwanzaa Concert event in 2007. This video features various choral and band performances to celebrate the holidays live on the Naomi Bruton Main Stage. This video is Part 1 of 2 of the concert.
Date:
December 15, 2007
Creator:
unknown
Object Type:
Video
System:
The UNT Digital Library
[15th Annual Christmas/Kwanzaa Concert, Part 2 of 2]
Video recording from The Black Academy of Arts and Letters recorded during their 15th Annual Christmas/Kwanzaa Concert event in 2007. This video features various choral and band performances to celebrate the holidays live on the Naomi Bruton Main Stage. This video is Part 2 of 2 of the concert.
Date:
December 15, 2007
Creator:
unknown
Object Type:
Video
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 7, No. 9, Ed. 1 Thursday, December 15, 1977
Newspaper from Oscar Rose Junior College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 15, 1977
Creator:
Legg, Ginny
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 13, No. 14, Ed. 1 Thursday, December 15, 1983
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 15, 1983
Creator:
Fidaali, Sukena
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 18, No. 14, Ed. 1 Friday, December 15, 1989
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 15, 1989
Creator:
Christenberry, Gia
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 25, No. 14, Ed. 1 Friday, December 15, 1995
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 15, 1995
Creator:
Stimmel, Eldridge
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
[1997-1998 Lee College basketball team]
Photograph of a Lee College basketball players in their uniforms, standing on the Lee Basketball Court. Back of photo reads: "Sophomores leading the Lee College Runnin' Rebels basketball team for the 1997-98 season include, from left, Tyrone Logan of Lafayette, La.; James Broussard of Abbeville, La., Ervin Mitchell of St. Martinville, La., Lionel Brown of Opelousas, La., Wesley Bruner of Baytown, and Patrick McGowen of Dayton. The next local action for the Runnin' Rebels is 7:30 p.m. Saturday, Jan. 10, at Anders Gym in Pasadena versus nationally-ranked San Jacinto College. Next home game is 7:30 p.m. Wednesday, Jan. 14, at the Lee College gym in Baytown versus Lon Morris College."
Date:
December 15, 1997
Creator:
Lee College
Object Type:
Photograph
System:
The Portal to Texas History
1998 Complex Systems Summer School
For the past eleven years a group of institutes, centers, and universities throughout the country have sponsored a summer school in Santa Fe, New Mexico as part of an interdisciplinary effort to promote the understanding of complex systems. The goal of these summer schools is to provide graduate students, postdoctoral fellows and active research scientists with an introduction to the study of complex behavior in mathematical, physical, and living systems. The Center for Nonlinear Studies supported the eleventh in this series of highly successful schools in Santa Fe in June, 1998.
Date:
December 15, 1998
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
2003 Toxic Chemical Release Inventory Report for the Emergency Planning and Community Right-to-Know Act of 1986, Title III, Section 313
None
Date:
December 15, 2004
Creator:
Stockton, M.
Object Type:
Report
System:
The UNT Digital Library
2009 Pantex Plant Annual Illness and Injury Surveillance
The U.S. Department of Energy’s (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. The Illness and Injury Surveillance Program monitors illnesses and health conditions that result in an absence of workdays, occupational injuries and illnesses, and disabilities and deaths among current workers.
Date:
December 15, 2010
Creator:
United States. Department of Energy. Office of Illness and Injury Prevention Programs.
Object Type:
Report
System:
The UNT Digital Library
2011 Tax Filing: Processing Gains, but Taxpayer Assistance Could Be Enhanced by More Self-Service Tools
A letter report issued by the Government Accountability Office with an abstract that begins ""
Date:
December 15, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
The 2013 Cybersecurity Executive Order: Overview and Considerations for Congress
The federal role in cybersecurity has been a topic of discussion and debate for over a decade. Despite significant legislative efforts in the 112th Congress on bills designed to improve the cybersecurity of U.S. critical infrastructure (CI), no legislation on that issue was enacted in that Congress. This report discusses the ramifications of Executive Order 13636, which issued in February 2013 was an attempt to enhance security and resiliency of CI through voluntary, collaborative efforts involving federal agencies and owners and operators of privately owned CI, as well as use of existing federal regulatory authorities.
Date:
December 15, 2014
Creator:
Fischer, Eric A.; Liu, Edward C.; Rollins, John W. & Theohary, Catherine A.
Object Type:
Report
System:
The UNT Digital Library
[20th annual Christmas & Kwanzaa concert]
Video recording from The Black Academy of Arts and Letters recorded during their 20th annual Christmas and Kwanzaa holiday concert in collaboration with local high school bands and choirs. The footage shows a large band seated in front of a mixed-gender student choir. The concert features students from South Oak Cliff, Lincoln, Carter, and Kimball high schools with the Townview Big D Band.
Date:
December 15, 2012
Creator:
Waller, Alonzo
Object Type:
Video
System:
The UNT Digital Library
[20th Annual Christmas/Kwanzaa Concert audio tape]
Audio cassette from The Black Academy of Arts and Letters recorded during the 20th Annual Christmas/Kwanzaa Concert held at the Naomi Bruton Theatre on December 15th, 2012. The audio tape includes one track of audio of the performance featuring students from DISD high schools and the Townview Big D Band.
Date:
December 15, 2012
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library