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400-MeV upgrade for the Fermilab linac
Fermilab plans to upgrade the Tevatron to expand the physics research program in both the fixed target and the collider operating modes. The first phase of this program is to increase the energy of the H{sup -} linac from 200 to 400 MeV in order to reduce the incoherent space change tuneshift at injection into the Booster which can limit either the brightness or the total intensity of the beam. The linac upgrade will be achieved by replacing the last four 201 MeV, with seven 805 MHz side-coupled cavity modules operating at an average axial field of about 8 MV/m. This will allow acceleration to 400 MeV in the existing Linac enclosure. 4 refs., 3 figs., 1 tab.
Date:
September 1, 1989
Creator:
Young, D.E. & Noble, R.J.
Object Type:
Article
System:
The UNT Digital Library
An 805 MHz disk and washer accelerating structure with coaxial coupler for the Fermilab upgrade
The Disk and Washer (DAW) structure with four bi-periodic tees to support the washers has been studied at Fermilab for the Linac Upgrade by constructing two, 805 MHz, one-meter sections joined by a coaxial coupler. The coupler provides an rf drive port, an adjustable tuner, a vacuum port, and an enclosure for the installation of beam focussing and monitoring devices. This configuration is suitable for a high beta proton linear accelerator. The bi-periodic tee supports in the DAW structure suppress the TM{sub 11} mode at the operating frequency which has been a problem with previous designs. Frequency-mode spectra have been calculated and measured as well as the quantities Q, R/Q, and ZT{sup 2}. The structure has been evacuated and operated at high power levels and high accelerating fields. 5 refs., 4 figs., 2 tabs.
Date:
September 1, 1989
Creator:
Young, D. E.; Moretti, A.; Lee, G.; Mills, F. E.; Zhou, P. (Fermi National Accelerator Lab., Batavia, IL (USA)); Swenson, D. A. et al.
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 18, No. 1, Ed. 1 Friday, September 1, 1989
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 1, 1989
Creator:
Christenberry, Gia
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 18, No. 2, Ed. 1 Friday, September 15, 1989
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 15, 1989
Creator:
Christenberry, Gia
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 18, No. 3, Ed. 1 Friday, September 22, 1989
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 22, 1989
Creator:
Christenberry, Gia
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 18, No. 4, Ed. 1 Friday, September 29, 1989
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 29, 1989
Creator:
Christenberry, Gia
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Abilene Philharmonic Playbill: September 16, 1989
Program for an Abilene Philharmonic concert that ran on September 16th during the 40th season. It includes information about the pieces performed, artists and musicians, and advertising from local companies.
Date:
September 1989
Creator:
Abilene Philharmonic
Object Type:
Pamphlet
System:
The Portal to Texas History
Abstracts submitted for the thirty-first annual meeting, Division of Plasma Physics, November 13--17, 1989
This report contains abstracts of papers that are submitted for the 31st annual meeting of the Division of Plasma Physics, November 13--17, 1989. (LSP)
Date:
September 1, 1989
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Advanced Vehicle/Highway Systems and Urban Traffic Problems
A report on Advanced Vehicle/Highway Systems (AVHS),as an umbrella term for several interdependent vehicle and road technologies, that offers potential for reducing congestion and the air pollution it engenders, and for improving highway safety.
Date:
September 1989
Creator:
United States. Congress. Office of Technology Assessment.
Object Type:
Report
System:
The UNT Digital Library
[AF Subdivisions]
Photograph of the AF Subdivisions in Austin, Texas.
Date:
September 1, 1989
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[AF Subdivisions]
Photograph of the AF Subdivisions in Austin, Texas.
Date:
September 1, 1989
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
[AF Subdivisions]
Photograph of the AF Subdivisions in Austin, Texas.
Date:
September 1, 1989
Creator:
Texas Historical Commission
Object Type:
Photograph
System:
The Portal to Texas History
The Age, Volume [10], Number 9, September 1989
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
September 1989
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[Agenda for the San Antonio Chapter of the Links, Inc. Meeting - September 17, 1989]
Agenda for the September 17, 1989 meeting of the San Antonio chapter of The Links, Inc. Items for discussion include the chapter's correspondence, treasury reports, committee reports, and current business.
Date:
September 17, 1989
Creator:
Links, Inc. San Antonio Chapter.
Object Type:
Text
System:
The Portal to Texas History
ALARA (as low as reasonably achievable) engineering at Department of Energy facilities: Bibliography of selected readings in radiation protection and ALARA
This report is the first in the series of bibliographies supporting the efforts at the Brookhaven National Laboratory ALARA Center on dose reduction at DOE facilities. Abstracts for this bibliography were selected from proceedings of technical meetings, journals, research reports, and searches of the DOE Energy Data Base. The abstracts included in this report relate to operational health physics as well as other subjects which have a bearing on dose reduction. Facilities covered include: radioactive waste, uranium enrichment, fabrication, unirradiated fissile materials storage, irradiated fissile material storage, reprocessing, decommissioning, recovery, hot laboratories, tritium production, reactors (research, test and production but not power reactors), and accelerators. We have also included material in improved design, materials selection, planning, and other topics which are related to dose-reduction efforts. The report contains 68 abstracts as well as subject and author indices.
Date:
September 1, 1989
Creator:
Daniel, S. W.; Kaplan, E.; Dionne, B. J.; Khan, T. A.; Lane, S. G. & Baum, J. W.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 114, No. 13, Ed. 1 Thursday, September 7, 1989
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 7, 1989
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 114, No. 14, Ed. 1 Thursday, September 14, 1989
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 14, 1989
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 114, No. 15, Ed. 1 Thursday, September 21, 1989
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 21, 1989
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 114, No. 16, Ed. 1 Thursday, September 28, 1989
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 28, 1989
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
Alfven wave stability in D-III-D
Within the framework of the global Alfven eigenmode theory in a cylindrical background plasma, I examine the excitation of global Alfven eigenmodes by intense neutral beam injection in the D III-D tokamak operating at General Atomics. I have considered two separate sets of experimental conditions, a low power'' set of cases using 10MW of hydrogen beams, and a high power'' shot of 20MW of deuterium beams. My results are particularly sensitive to the background density profile. For parabolic background density profiles, n{sub 0} {times} (1 {minus} (r/{tilde a}){sup 2}), I have determined that the plasma is stable to all toroidal and poloidal mode numbers for both high and low power cases. For density profiles which are of the form n{sub 0} {times} (1 {minus} (r/{tilde a}){sup 2}){sup {1/2}}, for the same n{sub 0}, my calculation indicates that the m = {minus}1, l = 0 mode is unstable in each case. The high power case has a considerably higher growth rate at the baseline conditions, which motivated me to study this case more extensively. The results are also sensitive to the beam source radial scalelength, L{sub s}, and the electron temperature T{sub e}. By narrowing the source from the baseline 36 …
Date:
September 1, 1989
Creator:
Campbell, R.B. (Lawrence Livermore National Lab., CA (USA)) & Samec, T.K. (TRW, Inc., Redondo Beach, CA (USA))
Object Type:
Report
System:
The UNT Digital Library
The Allen American (Allen, Tex.), Vol. 20, No. 71, Ed. 1 Sunday, September 3, 1989
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
September 3, 1989
Creator:
Warnken, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 20, No. 72, Ed. 1 Wednesday, September 6, 1989
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
September 6, 1989
Creator:
Warnken, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 20, No. 73, Ed. 1 Sunday, September 10, 1989
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
September 10, 1989
Creator:
Warnken, Mark
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 20, No. 74, Ed. 1 Wednesday, September 13, 1989
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
September 13, 1989
Creator:
Warnken, Mark
Object Type:
Newspaper
System:
The Portal to Texas History